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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.
November 10, 2015
AGU's first ever Reddit Ask Me Anything, features Dr. Alberto Montanari, editor in chief of Water Resources Research on 12 November, from 12:00-2:00 P.M. EST, via Reddit's r/science portal ...
November 5, 2015
Graphite is a mineral of immense potential and value - its purer forms sought out for use in mobile phone technologies and the batteries that power...
November 1, 2015
Australian junior miners have decided to battle the capital drought afflicting the sector by turning to the Internet to raise funds...
October 28, 2015
Mining contribution to GDP to reach SR260 billion by 2030 and create more than 100,000 jobs for citizens ...
October 26, 2015
It's hard to exaggerate the importance of rivers to sustaining life for animals and people...
October 16, 2015
This week, gold made a significant technical breakthrough ...
October 15, 2015
The mining industry's big players are themselves slowly beginning to change tack...
October 7, 2015
Making predictions about climate variability often means looking to the past to find trends...
October 2, 2015
The drilling of the third well in the Carcará area (Block BM-S-8) in the Santos Basin's ultra-deep waters...
October 1, 2015
Eni won with a 100% share a production sharing contract to appraise, develop and exploit the oil fields...
September 23, 2015
A new award named in honor of Frank Arnott, a visionary geophysicist from the United Kingdom, has been introduced to recognize innovation in visualizing and integrating exploration data.
September 21, 2015
Geographically, Ireland is often likened to a saucer: upturned at its mountainous edges and flat...
September 17, 2015
The price of iron ore on Thursday turned positive amid new signs that China...
September 15, 2015
Using the power of Geographic Information Systems to track trends in everything from...
June 26, 2015
Professional, scientific and technical services, information (IT), and manufacturing are the three industries doing the most Big Data-related hiring as of June, 2015...
June 25, 2015
Trials of a new Coiled Tubing Drill Rig are underway in Australia. These rigs use a continuous, flexible tube, rather than drill rods, for faster, safer drilling at just 50c per meter...
June 17, 2015
Wintershall is expanding its natural gas production in the Netherlands: the unmanned mini-platform L6-B has started to produce natural gas off the Dutch North Sea coast. The first so called "Minimum Facility”...
June 16, 2015
Former Copernicus Masters competition winner EOMAP has launched the first harmonised, high-resolution inland water quality monitoring service based on satellite data...
June 15, 2015
NexGen reported on assay results for angled hole AR-15-44b from the successful winter 2015 program at the Arrow zone on its 100% owned Rook I property, Athabasca Basin, Saskatchewan...
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.