Question

Where and in which conditions gold is found?

Answer 1

Most of that gold has come from just three countries: China, Australia, and South Africa. The United States ranked fourth in gold production in 2016.

Gold is primarily found as the pure, native metal. Sylvanite and calaverite are gold-bearing minerals. Gold is usually found embedded in quartz veins, or placer stream gravel. It is mined in South Africa, the USA (Nevada, Alaska), Russia, Australia and Canada.

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Answer 2

Answer:

Gold is widespread in low concentrations in all igneous rocks.Its abundance in earth crust is estimated at about 0.005 part per million .It occurs mostly in the native state,remaining chemically uncombined except with Telluride,selenium,and bismuth.The element's only naturally occurring isotope is gold-197.

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