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Earth Explorer is an online source of news, expertise and applied knowledge for resource explorers and earth scientists. Sponsored by Geosoft.
September 25 - 28, 2018
October 14 - 19, 2018
July 16, 2018
July 15, 2018
July 10, 2018
July 10, 2018
May 28, 2018
September 19, 2018 APPLIED
Uncertainty is unlikely to ever entirely disappear from mining exploration, but technological improvements continue to help explorers manage it more effectively. One notable application of technology was the Orano Canada’s use of Geosoft VOXI Earth Modelling in delineating a new uranium discovery at the Kiggavik uranium project in Nunavut.
July 17, 2018 APPLIED
To verify the potential for magnetization vector inversion (MVI) to identify deep intrusives related to copper porphyry systems, veteran copper explorer Carl Windels has compiled several North American examples where the technique works. Among the known deposits the geophysicist tested are the continent’s most famous, including Bingham Canyon in Utah and Morenci in Arizona.
July 16, 2018 APPLIED
As Vancouver-based Mawson Resources digests the results of a 16,000-metre, 75-hole winter drill program on its gold project in northern Finland, the company’s geologists are finding the voluminous amounts of data easier to manage using MX Deposit.
July 12, 2018 APPLIED
Abitibi Geophysics was able to confirm evidence of additional gold deposits on the Benoist project northeast of Val d’Or, Quebec by inverting IP data from its OreVision system in Geosoft’s VOXI Earth Modelling software.
July 12, 2018 APPLIED
Surface geophysical exploration techniques were used to find groundwater sources at the UN’s Kakuma Refugee Camp in Turkana County, Kenya where the water supply was inadequate and fluoride concentrations exceeded Kenyan drinking water guidelines.
July 3, 2018 news
Geosoft has released a new add-in for importing and viewing Geosoft raster files within ArcGIS Pro, Esri’s next-generation desktop GIS.
June 19, 2018 APPLIED
A research project combined aeromagnetic data and recent earthquake data to help identify the potential locations and intensities of earthquakes in a rift zone.
December 12, 2017 APPLIED
Researchers at the University of Paraná in Brazil recently tested the application of gamma-ray spectrometry for geological mapping in an area of southern Brazil that contains a variety of granitic rocks. At the same time, they evaluated how topography changes and landslides affect the mobility of radionuclides in rugged or mountainous regions.
December 11, 2017 APPLIED
A district in Nebraska is using 3D models generated from airborne electromagnetic (AEM) survey results and borehole data to manage land use in an area where groundwater availability and nitrate contamination is a concern.
DECEMBER 7, 2017 library
The inability to find and access data via a single integrated search tool emerged as the biggest challenge for respondents to Geosoft’s 2017 Geoscience Information Management Survey. In 2017 the survey was expanded with new questions to reflect the rising importance of the cloud and to gain a better understanding of the challenges organizations face when implementing a data management solution.
November 30, 2017 APPLIED
Surveys and fieldwork completed in 2017 are a significant first step toward assessing the geothermal potential lying beneath the Umatilla Indian Reservation. Further exploration and drilling temperature gradient holes will help determine if a suitable reservoir exists, is commercially viable, and accessible to help make the reservation energy-independent.
October 11, 2017 news
Geosoft co-founder Ian MacLeod was the recipient of the Cecil Green Enterprise Award from the Society of Exploration Geophysicists. MacLeod and other award recipients were honoured on Tuesday, September 26th, 2017, at the SEG International Exposition and 87th Annual Meeting in Houston.
October 10, 2017 expertise
Drilling and sampling are the most expensive part of an exploration program and the data collected from these activities are a crucial determinant of your project’s success. Here are some things to consider when choosing a drill and sample data management solution that will ensure confidence in your results without depleting your IT budget or burdening your team with excess amounts of work.
September 28, 2017 news
Geosoft is partnering with Acorn Science and Innovation to create a cloud-based technology solution for unexploded ordnance classification projects. The 3-year project, funded by the US Department of Defense’s Environmental Security Technology Certification Program, will deliver a cloud prototype for classifying buried metal as either UXO or non-hazardous clutter based on the analysis of electromagnetic induction data.
September 21, 2017 library
A new textbook published by Springer provides students with practical information about exploring for, evaluating and mining mineral resources. Mineral Resources – From Exploration to Sustainability Assessment, by the University of Madrid’s Manuel Bustillo Revuelta, walks students through the lifecycle of a mineral deposit.
September 5, 2017 library
The guide to the Carlin Trend field trip organized by Newmont Mining following the Society for Exploration Geophysicists conference in 1996 is now available online. The guide is a comprehensive package of materials that would be impossible to replicate but remains relevant to exploration for Carlin-type deposits.
MAY 24, 2017 APPLIED
Flowing through central London, the River Thames is a potentially dangerous confluence of human activity and unexploded ordnance leftover from WWII. So when workers found a 50 kilogram German bomb in the riverbed near the Houses of Parliament during civil engineering works earlier this year, bridges were closed, roads cordoned off, and the Royal Navy and police called in to remove and safely detonate the device.
MAY 23, 2017 TECHNOLOGY
Red Pine Exploration and Nighthawk Gold are among the exploration companies that have selected MX Deposit for managing their drill logs and results. Recently launched MX Deposit is subscription software for drill hole and sample data management that can be accessed from anywhere, adheres to industry standards, and encourages real-time collaboration.
April 5, 2017 applied
An engineering firm was in the process of refurbishing a relatively small ferryboat terminal in the Northeast, when an intact, massive - and potentially explosive - Rodman cannonball was unearthed by a backhoe. In their latest case study, Aqua Survey describes how they surveyed the work zone for other unexploded ordnance to ensure worker safety.
April 4, 2017 applied
Netherlands-based N-Sea has selected Geosoft’s Oasis montaj and UXO Marine software to detect unexploded ordinance that pose a hazard to its customers operating in the North Sea and other offshore regions. N-Sea surveys, inspects, maintains and repairs subsea infrastructure for the oil and gas and windfarm industries using a fleet of ships and teams of divers, ROV pilots and surveyors.
April 3, 2017 news
Geosoft announced its participation in a pilot project aimed at improving the availability, accessibility and usability of geoscientific data to guide resource investment in the Eastern African Region. The pilot project, and launch of a geodata portal hosted by Uganda, will be conducted under the auspices of African Union Commission.
March 6, 2017 news
Geosoft introduced new subscription plans for its Target geology software at the Prospectors & Developers Association of Canada (PDAC) international convention in Toronto this week. Target subscriptions include access to Geosoft’s geological modelling and interpretation software and a toolset for geochemical analysis and QA that provides the ability to validate and analyze assay results.
March 1, 2017 news
Since its launch in 2016, over 2000 multi-disciplinary geoscience datasets have been downloaded free-of-charge from the Botswana Geoscience Portal. Mineral explorers, government and academic researchers, and other key stakeholders from more than 35 countries have visited the public repository to access the 10 gigabytes of pre-competitive geoscience data stored online.
February 28, 2017 expertise
In a challenging economic environment, potential field modelling can prove extremely useful to hydrocarbons exploration. Potential field interpretation has benefited from recent technological advances, often overlooked in the industry. Gaud Pouliquen, a technical analyst with Geosoft, addressed the trend in her presentation at a recent Kuala Lumpur Explorationists (KLEX) Society Meeting in Malaysia.
February 27, 2017 news
Industry leaders emphasised the importance of forming strategic partnerships during their keynote addresses to the Association for Mineral Exploration’s Roundup conference in Vancouver in January. Partnerships are not limited to the major miners and junior explorers. First Nations, local communities, product and service providers are reaping the benefits of working together too.
January 19, 2017 news
Geosoft and Minalytix have entered a business partnership to commercially release MX Deposit, a new Software-as-a-Service solution for drill hole and sample data management. Cloud-based MX Deposit provides a breakthrough solution that simplifies how drilling data is collected, managed, and shared.
December 8, 2016 applied
Geophysicists Barry de Wet and Nick Williams utilized advanced gravity and magnetic inversion methods to help Ivanhoe Mines identify new resources at their flagship Platreef Project in the Bushveld Igneous Complex, 280 kilometres northeast of Johannesburg in South Africa.
December 8, 2016 applied
A new subway line that opened in Rio de Janeiro just before the 2016 summer Olympics relied on a detailed analysis of the subsurface to identify risks and avoid surprises during excavation. Data from the city's Geotechnical Institute was used to construct a 3D model of the subsoil in the Ipanema and Leblon neighbourhoods along the Line 4 subway.
December 7, 2016 news
Geosoft has added induced polarization and resistivity data inversion to its VOXI Earth Modelling 3D inversion software service. Geoscientists are now able to create detailed 3D models of conductivity and chargeability from IP and resistivity survey data with VOXI. The resulting models can assist in interpreting and targeting regions for mineral and environmental applications.
December 1, 2016 applied
A longstanding debate about whether granitic magmas in England ascended through the crust as diapirs or along networks of dykes to form tabular structures has taken a step closer to resolution. A 3D model of the St Austell pluton, one of six major plutons associated with the Cornubian batholith of Southwest England, suggests the pluton is comprised of at least two separately intruded sheets of granite.
November 30, 2016 news
A regional-scale geophysical inversion of magnetic field data in the Ngamiland region of northwestern Botswana is now available for download from the Botswana Geoscience Portal, a partnership initiative of the Botswana Geoscience Institute, industry sponsors and Geosoft.
October 6, 2016 expertise
Acquiring geophysics data is an expensive exercise so it’s vitally important to retrieve as much information as possible from the data to enhance the likelihood of exploration success. Starting with the basics, this article summarizes methods that can be used for magnetics, gravity, elevation, electromagnetic grids and the list goes on.
October 3, 2016 expertise
Gravity and magnetic methods are an essential part of oil exploration. They do not replace seismic. Rather, they add to it. Despite being comparatively low-resolution, they have some very big advantages. At a comparatively low cost, airborne potential field surveys can provide coverage of large areas. Allowing quick regional coverage, even gravity surveys can now be recorded from an aircraft with fairly high reliability.
September 15, 2016 applied
An investigation of granitic intrusions in the southern Czech Republic was able to distinguish between individual rock types by processing and interpreting gravity data. The area of study is the Moldanubian Pluton, part of a tectonic zone formed in central Europe 300-400 million years ago.
August 29, 2016 expertise
The prices for lithium carbonate have risen in the past decade attracting mining finance and fueling global exploration activity. This article reviews proven exploration techniques that can be used to successfully explore for lithium around the globe.
August 18, 2016 Expertise
Erik Ronald, Director of Mining Geology HQ, shares some fundamental aspects to ensure success when conducting geological mapping. These "Rules of Thumb" can be applied to either true greenfields mapping, near-mine brownfields work, or open pit bench mapping.
August 17, 2016 news
International Geoscience Services have released a series of base metal prospectivity maps for the Ngamiland District of northwestern Botswana using free geodata available on the recently-launched Botswana Geoscience Portal, hosted by Geosoft. The maps identify favorable areas for copper, zinc and lead mineralization using geological, geochemical and geophysical datasets downloaded directly from the portal.
August 8, 2016 Technology
A hovercraft-based electromagnetic system has detected likely munitions at a location in the Caribbean previously used for target practice by the U.S. Navy. The area covers more than 200 acres of shallow coral reefs that had been excluded from a broader geophysical survey because of the potential for damaging the coral.
August 4, 2016 Expertise
Geoscience data is to exploration what road systems are to transport: a precompetitive asset that jurisdictions must provide if they hope to foster a viable and sustainable mining industry. Jurisdictions willing to provide the data necessary to begin the search for buried deposits will reap the benefits of the next generation of mines predicts Jon Hronsky, principal of Western Mining Services.
July 25, 2016 expertise
With the increase of offshore marine projects over the decades, demand for a cost-effective and efficient risk-based approach for the mitigation of UXO (Unexploded Ordnance) has become a priority for offshore construction teams. This article suggests a best practice strategy coming from experience gained with offshore marine project management and modern survey methods.
July 25, 2016 market
The glittering lure of a possible multi-billion dollar diamond discovery is lighting up northern Saskatchewan. A number of mineral exploration companies have joined De Beers in a new staking rush in a region known as the Athabasca Basin.
July 25, 2016 applied
February 12, 2014, was a tragic day for Corvette lovers around the world. Shortly after 5:30am, surveillance cameras inside the National Corvette Museum in Bowling Green, Kentucky, USA, captured stunning footage of a sinkhole opening up and swallowing eight classic Corvette cars. Within hours of the disaster, a team of museum staff, general contractors, geotechnical and civil engineers, karst scientists, and Corvette enthusiasts had assembled onsite to survey the damage and guide the recovery.
July 14, 2016 news
Atlas Professionals geophysicists were introduced to the latest updates in Geosoft's Oasis montaj and UXO Marine software, in a three-day training course aimed at increasing user productivity. Atlas has seen increasing demand for geophysicists with specific software experience in the developing UXO detection sector.
July 7, 2016 applied
Magnetization Vector Inversion helped identify structures in the Pontes e Lacerda area of southwestern Brazil, a gold district at -12° latitude where magnetic anomalies with inverted polarity are poorly understood, in a study presented by Geosoft at SIMEXMIN 2016.
June 24, 2016 news
Four high profile leaders were named as judges for the Frank Arnott Award being presented as part of Exploration 2017 in Toronto. The award, named after exploration visionary Frank Arnott, encourages solution-finding for one of the biggest challenges in the exploration industry: data integration and visualisation of multi-disciplinary data.
May 26, 2016 news
The state government will try to kick-start mineral exploration in North-West and West Australia through a new round of funding for scientific data. The budget included $1.4 million over four years for Mineral Resources Tasmania's geoscience initiative program.
May 4, 2016 market
How can governments address their fiscal breakeven challenges? An infographic by Wood Mackenzie includes 2016 fiscal data for five major oil producers in the Middle East - Iran, Iraq, Kuwait, Saudi Arabia and United Arab Emirates.
April 12, 2016 applied
A new 3D geological model for InterCement’s Doña Amalia mine in Argentina is improving day-to-day operational decisions and assisting the company with long-term mine planning.
April 12, 2016 news
The Botswana Geoscience Portal, a partnership initiative of the Botswana Geoscience Institute, Geosoft and industry sponsors, is now live. The geoscience portal provides free access to multi-disciplinary, datasets from Ngamiland, a district in the country's northwest.
March 9, 2016 applied
Researchers at Monash University are using grid analysis techniques to determine the structural controls on the Newer Volcanics Province in south-eastern Australia. The analysis included grids for both Bouguer gravity and reduced to pole magnetic anomalies.
February 29, 2016 applied
Ocean scientists work in not just three but four dimensions, including time, so presenting data in a way that others can understand can be challenging. One solution is to reduce the 4D data cube to three dimensions by taking a slice of time or another dimension, such as depth.
February 8, 2016 news
The Botswana Geoscience Institute is launching a Geoscience Portal that will provide free access to multi-disciplinary datasets from Ngamiland, a district in the country's northwest, for a period of one year.
February 8, 2016 library
Deloitte published its global mining report, Tracking the Trends 2016 which identifies the top 10 trends mining companies will face this year, with continuing weak commodity prices, declining grades and the slowdown in demand from China.
February 4, 2016 expertise
Falling oil prices have put enormous financial pressure on all producers, especially the high-cost producers in the new shale resource plays. These “unconventional” producers will be the first to cease operations, thus reducing the supply and increasing the price, explains Leon Thomsen, Chief Scientist with Delta Geophysics, unless they find a better way to conduct their operations.
February 2, 2016 expertise
When it comes to non-conventional renewable energy, the British Isles are a world leader. Consider the current boom in offshore wind farm projects fueled by the UK’s strong coastal winds. To extract energy from the wind, enormous turbine towers are built based on a detailed understanding of the seabed at proposed sites. Companies like Bibby HydroMap are seeing a growth in demand for undersea surveys.
January 29, 2016 expertise
Geophysicist Mustafa Saribudak offers 5 top reasons to use geophysical methods in environmental projects, instead of traditional methods, such as trenching, boring and installing piezometers.
January 12, 2016 library
The EAGE announced the availability of a new e-book in the EAGE Bookshop: Advances in Gravity and Magnetic Processing and Interpretation written by J. Derek Fairhead. The book covers the role that gravity and magnetic methods play in exploration and focuses on recent developments of how local phase derivatives are being used in both processing and interpretation.
December 15, 2015 technology
Statoil has developed a centralised system for managing its gravity and magnetic data, which both specialists and generalists can use. The company has about 3200 gravity and magnetic data sets, and 60 gigabytes of data. It also has many pdf reports, and data showing which areas have been surveyed. Statoil geophysicist Christian Gram explains how the system works.
November 12, 2015 technology
For the past 17 years the Golden West Humanitarian Foundation, a small group of highly trained specialists focused on UXO-related research and development, has focused on innovating to find field supportable UXO survey and clearance solutions that work in developing, post-war countries.
October 20, 2015 market
The fact that almost all of the equity raised by the top 100 juniors listed on the Toronto Venture Exchange in 2015 was attributed to just 15 companies is further proof that good projects, managed well, continue to attract investors despite the protracted slump in the sector.
October 6, 2015 applied
Ireland’s ongoing effort to map the geology of the country has uncovered a belt of volcanic rocks in the North Midlands underneath the carboniferous cover that blankets most of the area.
August 5, 2015 library
Though exploration data quality is improving, organizations continue to grapple with historical and duplicate information, collaboration in real time and the cost and complexity of data management solutions. These are among the findings of Geosoft’s 2015 Exploration Information Management Survey.
July 31, 2015 library
Gravity and magnetic methods play a vital role in subsurface investigations, particularly in the search for mineral deposits and hydrocarbon reservoirs. Gravity and Magnetic Exploration: Principles, Practices, and Applications is a textbook that sets the benchmark for our current understanding of these important geophysical methods.
June 16, 2015 expertise
For oil and gas explorers who want to maximize targeting effectiveness and minimize costs, gravity and magnetics interpretation is a low-cost exploration technique that can add a lot of upfront value to your exploration program. Bridgeporth Interpretation Manager Jonathan Watson explains how taking the time to integrate gravity and magnetics with seismic data can pay off.
June 4, 2015 applied
A filtering process refined by inversion modelling has given Margaret Lake Diamonds the confidence to select 12 drill targets from more than 60 geophysical anomalies on its 50,000 acre diamond property in the Northwest Territories.
May 14, 2015 applied
As exploration moves deeper into the subsurface, achieving a high hit rate is becoming increasingly difficult. Without outcrop or other surface geochemistry to guide the way, explorers are drilling almost blind, relying on sometimes nebulous geophysical signatures to find hidden targets. Methodical data compilation and integration in 3D is paying off for NexGen Energy on their Rook I property.
April 23, 2015 expertise
When mineral exploration companies tighten their belts during a downturn, the first victim is often the research and development division. However the questions they answer - how to do business better, smarter and cheaper - remains and is especially pertinent during tough times. The clever companies are looking to other industries to learn from their successes and mistakes, namely oil and gas.
April 13, 2015 technology
Imagine being able to zoom in on a project area from your laptop, interrogate and extract all the exploration data that has ever been collected there, and immediately begin building maps and images from the information. For Cameco’s geoscientists, this is no longer a dream but a reality.
April 13, 2015 applied
The University of Texas Institute for Geophysics (UTIG), in Austin has been conducting airborne surveys all over Antarctica for more than two decades. Their work in East Antarctica has continued over the last seven years as a part of a large international collaboration between the US, UK, Australia, France, and Italy. The work is challenging, but vital because the East Antarctic Ice Sheet contains a large proportion of the Earth’s ice.
April 10, 2015 applied
In today’s challenging market, consulting Geophysicist Alex Walcott feels lucky to be working with a company that believes in grassroots exploration. He considers Colorado Resources’ North ROK project a textbook example of the proper approach to exploration: methodical, cost effective and results-oriented.
March 30, 2015 applied
The founders of Insight Geophysics have deep roots in the past, but their approach to Induced Polarization (IP) represents the future of mineral exploration: real time interpretation of data, integration of non-geophysical information with 3D inversions, and a dynamic style of surveying that allows for tweaks on a day to day basis depending on feedback from the exploration team.
March 26, 2015 technology
In many sedimentary basins around the world, 'seeing through' thick or steeply-dipping layers of salt is a major challenge for oil and gas exploration, especially in deep offshore environments. Voxel Assisted Layered Earth Modelling (VALEM) technology promises a significant advance in delineating the boundaries of subsalt structures.
March 25, 2015 expertise
Choosing exploration software can be a difficult, even fraught experience. The more expensive exploration becomes, the more crucial the decision, especially for juniors with projects that have progressed beyond the grassroots stage but are not yet considered advanced. Medgold's Exploration Manager, Jim Royall, shares his criteria for selecting software.
February 27, 2015 library
New approaches for geophysical classification of UXO are helping to save time and money by reducing the excavation of harmless debris. These and other advantages are explained in a series of fact sheets on Geophysical Classification for Munitions Response published by the Interstate Technology & Regulatory Council.
February 18, 2015 applied
Geoscience data is critical to exploration success, and yet spending more and acquiring more data have not translated into dramatically higher discovery rates. Exploration organizations are therefore seeking to maximize the value of their existing data, and technology, to prioritize opportunities and select the best drill targets.
February 18, 2015 applied
Magnetization Vector Inversion (MVI) is a modern technique which is gaining acceptance as an effective tool for subsurface exploration in areas where magnetization does not necessarily run parallel to the earth’s magnetic field, a more common scenario than geoscientists have traditionally appreciated.
September 26, 2014 profiles
Practical experience is a crucial component of geoscience training, yet many budding geoscientists lack exposure to fieldwork before they graduate. Luise Sander, co-president of Sander Geophysics Limited (SGL), stands out in the industry for welcoming both summer and graduating students to work for the Ottawa-based firm because she recognizes that they represent the future.
August 05, 2014 expertise
As the utility of gravity and magnetic methods for oil exploration expands, so does the need for more awareness on how these methods can be used to enhance geological interpretations, according to Calgary-based consultant Henry Lyatsky.
July 31, 2014 applied
With drilling costs averaging more than $200 per metre, explorers are looking for ways to improve confidence in the drill targets they choose. Australian junior Promesa Ltd (ASX Code: PRA) believes it may have found an answer in geophysical inversion or, more specifically, Magnetization Vector Inversion (MVI).
July 30, 2014 applied
The Hudbay Minerals’ “vault”, a dedicated room storing more than 80 years of exploration information in floor-to-ceiling filing and map cabinets, is an explorer’s treasure chest - but an inconsistent one prone to gaps, duplication and incompatibility. Thanks to a new data management system, the vault is now becoming obsolete but the priceless files stored within are finding new and greater value on a central server.
July 28, 2014 technology
Magnetization Vector Inversion (MVI) is proving to be an effective exploration guide for two promising projects in South America. Further drilling is planned at Colombian Mines' Mercedes project in west-central Colombia and Promesa's Alumbre project in northern Peru to follow up on promising MVI interpretations.
July 28, 2014 library
Select talks, hosted by the Canadian Exploration Geophysical Society (KEGS), are now online and available to the international explorer community. The seminars cover topics such as potential field geophysics, geophysical 3D modelling and Magnetization Vector Inversion, and the use of Neural Networks for predicting ore deposit target locations.
July 17, 2014 applied
The Geological Survey of Queensland (GSQ) has unveiled QDEX Data, a project that has been two years in the making. The new online system, based on Geosoft DAP Server technology, allows individuals and companies to access Queensland’s survey data seamlessly, quickly, and free of charge, says the Survey's Geoscience Manager Mark Thornton.
July 16, 2014 applied
The recent decline in gold prices has reinforced the importance of delineating deposits that can withstand the vagaries of the market. Coastal Gold is attempting to define a higher grade (2-5+ gpt) zone by integrating geophysical and lithogeochemical data within the geological model to steer exploration.
July 14, 2014 technology
Geosoft previewed new Voxel Assisted Layered Earth Modelling (VALEM) technology at the EAGE 2014 in Amsterdam. Delivered within Geosoft’s GM-SYS 3D gravity and magnetic modelling environment, VALEM is a cloud-based gravity inversion service that improves imaging of base of salt and sub-salt regions.
July 10, 2014 technology
Three rapidly developing technological fields – big data analytics, connectivity/communications (the so-called ‘Internet of Things’), and mobility systems – have the greatest potential for transforming the mining industry between now and 2025, according to a survey by London-based Mining Journal.
July 7, 2014 library
The release of `Geophysics for the Mineral Exploration Geoscientist`, a new book from Cambridge University Press, meets the demand for a minerals industry-focused geophysical textbook written by practitioners for practitioners.
April 2, 2014 technology
Members of Cameco’s exploration team are anticipating a time when their data management is so efficient that they can carve out an extra day in their weekly schedule to look for mines instead of spending those valuable hours searching for and manipulating data.
April 2, 2014 expertise
Energy exploration is moving into regions that have seen little exploration due to security, political and logistical concerns. Specialist geosciences company Bridgeporth has focused on helping explorers to manage these risks.
March 27, 2014 applied
In the early 1980s, the Geological Survey of Norway (NGU) conducted an exploration program in the northern county of Finnmark, a highly prospective greenfield area which encompasses the Karasjok Greenstone Belt. It was the first aeromagnetic and gravity survey of the area and served to establish a preliminary description of its lithology, stratigraphy and mineralizations. New inversion methods are now helping to enhance earth models and interpretation of Norway's Karasjok Greenstone Belt.
March 24, 2014 News&Views
Over the past twelve years, the Petroleum Exploration Society of Great Britain and the Houston Geological Society have jointly established the premier global meeting devoted to Africa’s petroleum geology. The meeting has alternated between London and Houston every September and in 2013 it was London’s turn. For anyone with an interest in finding oil in Africa, the 13th meeting, in Houston, September 2014, is a must.
March 4, 2014 market
Countries where juniors companies contribute substantially to mineral exploration report far more significant drill results than countries that have weaker junior sectors, according to SNL Metals & Mining’s Corporate Exploration Strategies, an annual study. Another trend identified is the growing allocation of spending to late-stage assets at the expense of earlier-stage projects that would provide the next generation of mines.
FEBRUARY 27, 2014 News&Views
GIRAF 2013, the third workshop of the Geoscience Information in Africa network, was held this past September in Accra, Ghana. The event was marked by talks on various African geoscience information projects as well as progress reports on co-operative efforts among companies and organizations in a number of African jurisdictions.
December 12, 2013 applied
Drillhole planning can be a high-risk venture when the available information is limited to airborne geophysical results. But Aben Resources found a way to reduce that risk considerably by using 3D inversion to guide exploration on the Justin project, one of the more intriguing plays to emerge from the recent resurgence in Yukon gold exploration.
December 12, 2013 applied
The Sepon copper-gold mine is a major industrial project in the southern region of Laos. Owned by global resource company MMG Ltd., the massive open-pit operation generated $806 million in revenue in 2012, or 8.5% of Laos's gross domestic product of $9.3 billion. Problem is, the mine's concession area straddles a section of the Ho Chi Minh Trail, which remains heavily contaminated with UXOs. Adopting a geophysics-centric approach has been key to reducing MMG's exposure to risk, and making the land safe for development.
December 12, 2013 News&Views
Thirteen earth science students from Carleton University will spend this winter break in an unusual classroom: the waters and shores of Antarctica. Their opportunity comes via the organization Students on Ice, now in its second decade of taking high school and university students on a two-week, multidisciplinary austral experience.
December 11, 2013 expertise
Despite a steep appreciation in exploration spending over the past decade, the number of greenfield discoveries is falling every year. Narrowing this gap will require harnessing the power of big data and cloud computing, according to a presentation by Rio Tinto’s exploration chief Stephen McIntosh at the International Geophysical Conference in Melbourne.
December 10, 2013 News&Views
Founded by Penn State, the University of the Witwatersrand (Wits), and South Africa's Council for Geoscience, the AfricaArray program is enabling students in Africa and America to develop their field experience and share valuable knowledge about the geosciences. The program is committed to supporting the geosciences in Africa by funding postgraduate studies and facilitating student exchange, as well as funding and supporting an annual field school.
November 5, 2013 applied
New research into overwash deposits is improving our predictive understanding of tsunamis and hurricane events to help inform coastal systems response. Researchers at the University of Pennsylvania's Sea Level Research Lab are delineating previously undocumented tsunami deposits from Oman, the Caribbean, Japan, Sumatra, Chile, French Polynesia, and Alaska.
November 5, 2013 library
Over the past two years, data management has become a pressing concern in the exploration community. According to a global survey report released by Geosoft, managing exploration data is now of "critical importance" for 44% of respondents, up from 18% two years ago.
November 5, 2013 applied
More than just a tourist attraction, the cenotes in Mexico's Yucatán Peninsula are the sole source of fresh water in the region. This has posed a serious challenge for ongoing development and prompted a local non-profit group, the Amigos de Sian Ka'an, to commission an airborne EM survey to map the flow of fresh water underground.
October 28, 2013 News&Views
Data integration and 3D modelling have become an integral part of the exploration process. Find out how to develop better targets with 3D exploration, at a a mini-symposium offered by the Toronto Geological Discussion Group (TGDG) and SEG Student Chapter of the University of Toronto.
June 27, 2013 technology
Noront Resources and Brigus Gold are among the growing number of mineral explorers turning to virtual data rooms to satisfy compliance requirements and the ever-increasing information needs of partners and shareholders.
June 24, 2013 applied
When the Aqua Survey team headed into the mountains of southern Laos, it knew the challenges that lay ahead. The company's task: to pit its technical expertise and specialized detection equipment against what is commonly described as the most difficult UXO clearance area in the world.
June 21, 2013 expertise
A relative newcomer to the resource exploration world, gravity gradiometry is already having a major impact. Its potential for producing high-quality data has caused many explorers to take notice and wonder how they might best make use of the technology.
June 12, 2013News&Views
It was standing-room-only at the May 28th meeting of the Toronto Geological Discussion Group (TGDG) as a panel of legal, government and industry experts grappled with the contentious new Ontario Mining Act.
May 29, 2013 discovery
Sometimes exploration success comes down to a decision as routine as choosing the angle of a borehole. That’s what David Jones learned when he drilled the discovery hole at Goldcorp’s Los Filos, now one of the largest gold mines in Mexico, with annual production of more than 300,000 oz.
May 29, 2013News&Views
The Environmental Security Technology Certification Program (ESTCP), in an ongoing partnership with the National Association of Ordnance and Explosive Waste Contractors (NAOC), is sponsoring a series of courses for munitions response contractors and government personnel to learn more about advanced tools for cost-effectively cleaning up munitions-contaminated sites.
May 28, 2013 expertise
In a recent statistics-packed Mining IQ webinar from Sydney Australia, BP’s chief economist Christof Rüehl offered a revealing glimpse into future energy trends. In 2030, the planet’s population will be 8.6 billion, worldwide GDP will be double what it is now, and energy consumption will have grown by 1.6% per year, or 34% more than it is today, according to Rüehl.
May 27, 2013 library
Publication of a new eBook, Advances in Airborne and Ground Geophysical Methods for Uranium Exploration, proves timely as many countries see a rise in uranium exploration. The publication is part of the IAEA’s nuclear energy series (no. NF-T-1.5, 2013).
March 8, 2013 expertise
Matching an exploration target with a geophysical technique can be tricky for an explorer, partly because there are so many options available and partly because there can be significant differences in rock properties even among the same deposit types.
March 8, 2013 technology
An Autonomous Underwater Vehicle-towed magnetometer proves itself in rough weather. The technique could reduce costs and time to complete seabed surveys, with improved accuracies.
March 8, 2013 applied
Company borne out of an academic collaboration benefits both students and industry doing offshore UXO surveys in the North and Baltic Seas.
March 8, 2013 applied
The extensive Karoo Basin of South Africa may hold vast reserves of shale gas. A tectonic modeling project underway will help determine their production viability.
March 8, 2013 library
Fundamentals of Gravity Exploration, authored by Thomas R. LaFehr and Misac N. Nabighian, is a new publication now available from the SEG Book Mart. The book covers a full range of gravity-exploration topics, including first principles, field instrumentation and operations, rock densities and density contrasts, data reduction, methods of interpretation, and geologic examples. The subject matter includes inversion and an appendix on the Fourier transform.
March 7, 2013 technology
Geosoft presented new workflows for geological subsurface modelling at PDAC 2013 in Toronto, adding to its integrated platform for earth exploration. The workflows include 3D wireframing and interpretation tools that make the modelling of subsurface geology faster and more effective for mineral explorers.
February 26, 2013 technology
Marine surveyors will soon be able to use new UXO Marine software to process data collected with TVG (Transverse Gradient) and other fixed-array systems with greater accuracy, and less risk of re-acquiring data and missing UXO targets.
February 25, 2013News&Views
You can’t get chickens if you don’t allow the eggs to develop. Joe Hinzer, president of geological consulting firm Watts, Griffiths and McOuat (WGM), uses this analogy to illustrate how many early-stage exploration projects are being stifled by current mineral valuation regulations before they have a shot at becoming mines.
January 29, 2013 News&Views
Africa is more than 20 per cent of the world’s land area, is home to 15 per cent of human population but still earns its label as the Dark Continent through generating only 2 per cent of the world’s electricity. Where can you find the geologists exploring this sleeping giant with its inevitable future in the resources sector?
January 28, 2013 library
Minalliance, a Montreal-based organization created jointly by the Québec Mineral Exploration Association and the Québec Mining Association, has published an ebook listing 100 technological improvements in exploration and mining. Inversion algorithms rated as the #1 exploration innovation. Other exploration innovations included: ICP-MS analyses, gas geochemistry and airborne gravimetry.
January 28, 2013 News&Views
As exploration programs focus on remote and concealed targets, the ability to recognize large ore-forming systems – from the most distal margins to high-grade cores – becomes increasingly important. Efforts are therefore under way to generate sophisticated “footprint” or “signature” models of high-value deposits.
January 24, 2013 applied
Often not given its due in oil and gas geophysics, knowledge of basement geology can be critical to exploiting reservoirs including the unconventional. When it comes to undertanding basement geology, gravity and magnetics can be just as important as seismic methods.
December 2, 2012 News&Views
The December 4th Greenland Day, taking place in Perth, will feature industry and geoscience experts from across the globe, discussing Greenland’s burgeoning exploration opportunities and recent research advances...
November 1, 2012 expertise
Given how the rules have evolved since their introduction more than decade ago (the last adjustment was in June 2011), it's not surprising that there remains some confusion around NI 43-101 compliant disclosure of exploration results. In this post, Virginia reviews some of the main infractions, and provides pointers on things to watch for.
September 11, 2012 expertise
What if you could generate a map that identified not only exploration targets, but also the likelihood of those targets becoming economic deposits? The authors of the cover article for July's edition of SEG Newsletter say this kind of "radical approach" to exploration is both possible and necessary.
August 3, 2012 News&Views
As African countries seek to attract further mining exploration investment, the importance of effective, efficient cadastral systems and high-quality survey data is becoming ever clearer. The first International Mining for Development (IM4DC) course into Africa, conducted in Burkino Faso from May to July 2012, focused on the integration of cadastral, geoscience and satellite data for mining exploration and development. It’s part of a longer term capacity building process supported by industry, Australian education and government agencies.
July 23, 2012 market
Michael Chender, CEO, Metals Economics Group reports: MEG's Pipeline Activity Index (PAI) drifted downward in May-June, with the squeeze on financings and a fall in industry equity valuations to its lowest level in two years offset by a continuing high level of new junior resource announcements; the legacy of strong exploration in the past several years.
July 20, 2012 market
Several juniors have jumped on the graphite and vanadium bandwagon, hoping that new sources of demand for these strategic minerals, mostly from battery applications, will make their exploration projects viable.
July 20, 2012 discovery
At a time when most junior explorers are struggling to attract market attention, Toronto-based Energizer Resources enjoyed a 27% share price gain for the first half of June on the strength of its growing graphite-vanadium resource in Madagascar.
July 19, 2012 expertise
Aiming to be the greenest mine in America, American Vanadium Corp. is evaluating the use of integrated solar and wind electric power backed by a vanadium flow battery (VFB) to run its entire operation with power to spare.
July 19, 2012 technology
The recent rush to find graphite and vanadium deposits to satisfy potential demand in green energy applications is reigniting airborne electromagnetic (EM) methods as highly effective exploration tools.
July 17, 2012 MINING EXPLORER
The relatively young Ring of Fire exploration camp in northern Ontario has the opportunity to become a global model of responsible development where First Nations groups, mining companies and the provincial government work together to transition from exploration to production in a way that benefits all.
June 5, 2012 applied
Application of aeromagnetic structural analysis techniques for greenfields gold exploration are proven in the field. Experimental results demonstrate there is a high correlation between known mineralization and the regions of structural complexity that are generated by the proposed method.
June 5, 2012 library
There was no path to guide field mapper Mary Albanese through the Alaskan wilderness in the 1980's. Only brush, trees, and rocks – an unchartered, seemingly endless stretch of rocks. Her memoir Midnight Sun, Arctic Moon: Mapping the Wild Heart of Alaska is the story of Albanese's life and journey as an arctic geological explorer.
June 4, 2012 Expertise
As the planet's easy-to-find petroleum resources mature, deep offshore exploration and production lead the trend to the more difficult and challenging regions. Eni is one of a handful of leaders.
June 4, 2012 Expertise
Greenfields-related research conducted by the Centre for Exploration Targeting is aiding industry efforts to look deeper. Innovation holds the key to bringing down the cost of making new, deeper, discoveries and securing future resource supplies.
June 4, 2012 Discovery
Knowing when to drill and when to walk away is essential in greenfields exploration. Explorers weigh in on market realities impeding the search for greenfields , and what it will take to meet the demand for quality finds.
June 4, 2012 applied
For juniors constrained by limited resources, usable and inexpensive government survey data is often the key to stimulating and advancing greenfields projects.
June 3, 2012 Technology
Researchers at the Perth-based Centre for Exploration Targeting (CET) are developing an exploration simulator for training purposes. The aim of exSim is to improve the performance of explorers through simulated training.