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Article: Reports from University of Gothenburg advance knowledge in economic geology.
- Article from:
- Economics Week
- Article date:
- July 3, 2009
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"The four giant stratiform Cu-Pb-Zn-Ag base metal deposits of the Bushmanland ore district have long been regarded as Paleoproterozoic sedimentary-exhalative deposits formed in a continental basin at about 1650 Ma and overlying the Achab Gneiss, an approximately 2.0 Ga basement complex, with no known Archean crustal history The supracrustal sequence was thought to include the Hoogoor "pink" metavolcanic gneiss at the base and the ore-bearing metaquartzites to be unconformably overlain by the 1650 Ma Koeris Formation. All the supracrustals were regarded as predating the 1200 to 1000 Ma Namaqua-Natal orogenic cycle," scientists writing in the journal Economic Geology report. ...
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Article: Research on economic geology described by ...
China Weekly News;
November 25, 2008 ;
700+ words
... ... research published in the journal Economic Geology, "Mineralized hydrothermal breccias ... colleagues published their study in Economic Geology (Hydrothermal breccias and veins ... a large epithermal gold deposit. Economic Geology, 2008;103(4):717-757 ...
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