Essentially state and corrosion resistant, gold dissolution is not easily obtained by just any acid. Use an oxidant like manganese dioxide, nitric acid, oxygen, ferric
Era Precambrian (3000-570)* Paleozoic (570-225)* Mesozoic (225-65)* Cenozoic (65-0)* Age of host rocks Gold-quartz deposits mainly in Archean rocks (>2500 m.y.); extensive deposits in Proterozoic
Here are 5 maps of where gold is found in the world while highlights zones where is the most gold found on the planet. https://www.nrcan.gc.ca/earth-sciences/science/geology/gsc/17100
Where or how do vein mineral (gold, copper, nickel, silver, etc etc) are found is be exploring and sampling. As shown here, if you find
Generalized paragenetic sequence of principal minerals and elements in epigenetic gold deposits. Minerals and elements shown include only those in veins, lodes, etc.; minerals and
Sketch illustrating outcrop of a gold-quartz vein supplying material to form eluvial and alluvial placers. By one terminology, an eluvial placer embraces all materials not
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