Gold is the principal commodity or a major by-product in a greater variety of ore deposit types than any other metal (Sillitoe, 2020). Some gold deposits form in a shallow subaerial or submarine ...
THIS treatise is founded on the author's personal experience in South Africa, Australia, and New Zealand. In the first-named country he spent many years, from about 1872 to 1886, when he left for ...
THE Geological Survey of the Union of South Africa has issued an important memoir on the geology of the Barberton gold-mining district. This district is made up essentially of the Older Granite and ...
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