Database name: |
World Sediment-Hosted Cu Deposits |
Compilers: |
R. V. Kirkham, J. J. Carriere, A. Rafer, and P. Born |
Release date: |
2015-01-27 |
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Deposit name(s): |
Geismar |
Political location(s): |
Germany |
Deposit clan (type): |
sediment-hosted copper |
Deposit (sub) types: |
paralic marine; seam of grey calcareous clays with plant remains |
Commodities: |
Cu; Ag |
Geological ages: |
Late Permian (host rocks) |
Host rocks: |
(1) sedimentary; mudstone (carbonate-bearing)Individual lithologies: | marl (clayey) | Host rock stratigraphy: | Kupferschiefer Bed, Zechstein 2 Sequence |
(2) sedimentary; evaporiteIndividual lithologies: | gypsum |
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Qualified comments: |
(Applies to: miscellaneous comments) seam of grey calcareous clays with plant remains; Cu seam 1-2 m thick mined from 1590-1818 & for short time post 1850; ore averaged 1% Cu and 11 ppm Ag |
References: |
Walther, H. W., 1986 |
Federal Republic of Germany |
in Mineral Deposits of Europe, Vol. 3: Central Europe, Edited by Dunning, F. W.; Evans, A. M., Central Europe, Institute of Mining and Metallurgy and the Mineralogical Society, V 3, 355 p, p. 175 - 301 |
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