GEOLOGY AND GENESIS OF THE GAOSONGSHAN GOLD DEPOSIT IN XUNKE COUNTY, HEILONGJIANG PROVINCE
Zhao Chunrong
Abstract
Zhao Chunrong
Abstract
The Gaosongshan gold deposit of epithermal type is closely associated with volcanism. The ore is mainly gold- bearing quartz vein and tectonic breccia-altered rock types, with sulfur compositions of deep source. The H-O isotopic compositions of fluid inclusion represent the mixture of atmospheric precipitation. The deposit is hosted in the Mesozoic Upper Cretaceous volcanic rocks, associated with dacite, andesite, andesitic porphyrite and rhyolite. The geochemical characteristics show a background of active continental margin.
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The Gaosongshan gold deposit of epithermal type is closely associated with volcanism. The ore is mainly gold- bearing quartz vein and tectonic breccia-altered rock types, with sulfur compositions of deep source. The H-O isotopic compositions of fluid inclusion represent the mixture of atmospheric precipitation. The deposit is hosted in the Mesozoic Upper Cretaceous volcanic rocks, associated with dacite, andesite, andesitic porphyrite and rhyolite. The geochemical characteristics show a background of active continental margin.
Key concepts: Geology, Andesite, Dacite, Rhyolite, Geochemistry, Breccia, Volcanic rock, Volcano