EAG News

New Geochemical Perspectives: Future Global Mineral Resources

GPv6n1_100In this issue of Geochemical Perspectives, six authors with wide experience in ore deposit research, exploration and production present an optimistic but realistic appraisal of future mineral resources. They describe how ore deposits form, and how they are found, assessed, mined and processed. They discuss the critical differences between mineral reserves and resources, how economic and societal factors influence supply, and the critical roles that geoscientists will continue to play. The authors argue that mineral resources will remain adequate well into the future.
Also read the associated press release ‘Mineral resources: Exhaustion is just a myth‘.

Photo Contest ‘Wonders of Geochemistry’: submit your vote

VoteHuge thanks to all who sent photos. The jury has now selected the best 10 photos and we invite you to vote for your 3 favourite photos communicating the wonders of geochemistry before 30 April.

2017 EAG Distinguished Lecturer: Lenny Winkel

Lenny Winkel_100EAG is excited to announce Lenny Winkel (ETH Zurich, Switzerland) as the 2017 Distinguished Lecturer. Her research focuses on biogeochemical cycling of trace elements with important health impacts, as well as predicting effects of climate and environmental changes on environmental distributions of these trace elements. The Distinguished Lecture Program continues to support institutions in Central and Eastern Europe therefore if interested, those are most welcome to invite Lenny Winkel to present one or two lectures.

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EAG Latest Publications

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GPL1721_abstractTemporal variation in relative zircon abundance throughout Earth history
C.B. Keller, P. Boehnke, B. Schoene

Zircon is the preeminent chronometer of deep time on Earth, informing models of crustal growth and providing our only direct window into the Hadean Eon. However, the quantity of zircon crystallised per unit mass of magma is highly variable, complicating interpretation of the terrestrial zircon record. […]

Abstract_GPL1720_100The cosmic molybdenum-neodymium isotope correlation and the building material of the Earth
J. Render, M. Fischer-Gödde, C. Burkhardt, T. Kleine

The isotopic similarity of enstatite chondrites and Earth has often been cited as evidence that the Earth is made of enstatite chondrite-like material. Here we show, however, that enstatite chondrites exhibit nucleosynthetic molybdenum (Mo) isotope anomalies and, therefore, cannot represent the sole building blocks of the Earth. […]

vanHinsberg_Graphical_AbstractDetermining subduction-zone fluid composition using a tourmaline mineral probe
V.J. van Hinsberg, G. Franz, B.J. Wood

Subduction zones are the sites where crustal materials are recycled into the mantle. In response to increasing pressures and temperatures during this process, hydrated minerals break down and release solute-bearing fluids and, above ~750 ˚C, form hydrous melts. […]

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GPv6n1_100Future Global Mineral Resources
Nicholas T. Arndt, Lluís Fontboté, Jeffrey W. Hedenquist, Stephen E. Kesler, John F.H. Thompson and Daniel G. Wood

In this issue of Geochemical Perspectives, six authors with wide experience in ore deposit research, exploration and production present an optimistic but realistic appraisal of future mineral resources. They describe how ore deposits form, and how they are found, assessed, mined and processed. They discuss the critical differences between mineral reserves and resources, how economic and societal factors influence supply, and the critical roles that geoscientists will continue to play. The authors argue that mineral resources will remain adequate well into the future.

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