Subject ASC00012z9

The Quarterly journal of the Geological Society of London.
v.50 (1894), Page 388 (1894)
Smithsonian Libraries
BHL Page 39089170

Keywords

#quartz calcite auriferous quartzite Nondweni Zululand microscopic view quartz gold quartzite crystals geology silica. auriferous quarzite magnified

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