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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
earth and planetary sciences
On the geological availability of germanium
Mineralium Deposita, Volume 49, No. 4, Year 2014
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Description
Based on a detailed statistical analysis of chemical data published in the scientific literature, estimates were made of the minimum amounts of recoverable Ge contained within sulphidic zinc ores and coals, given current processing technologies. It is expected that at least 119 kt (~7 kt in zinc ores and ~112 kt in coal) of recoverable germanium exist within proven reserves (at present stage of knowledge) at grades in excess of 100 ppm in sphalerite and 200 ppm in coal, while at least 440 kt (~50 kt in zinc ores and ~390 kt in coal) should become recoverable in the future, being associated to coal reserves at 8-200 ppm Ge and zinc resources containing in excess of 100 ppm Ge in sphalerite. Mississippi Valley Type (MVT) deposits are expected to be the most important hosts of germanium-rich sphalerite, while both brown and hard coals are expected to be equally important as hosts of germanium. The approach taken in this publication shows that reliable minimum estimates for the availability of by-product metals lacking suitable reserve/resource data may be attained by using robust statistical methods and geochemical data published in the scientific literature © 2013 Springer-Verlag Berlin Heidelberg.
Authors & Co-Authors
Gutzmer, Jens
Germany, Dresden
Hzdr - Helmholtz-zentrum Dresden-rossendorf
Germany, Freiberg
Technische Universität Bergakademie Freiberg
Statistics
Citations: 83
Authors: 1
Affiliations: 3
Identifiers
Doi:
10.1007/s00126-013-0506-z
ISSN:
00264598
Study Approach
Quantitative