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the U.S. is the largest producer of gold in the world. ancient peoples collected gold in considerable amounts. gold was first mined in the U.S. in the mid-1700s. governments keep the production of gold under control.
its beauty and imperishability made it the first metal discovered. rich deposits of it were found by archaeologists in ancient Greece and Egypt. primitive people must have made fine ornaments from the precious metal. Indian treasuries in Mexico were collected by slaves from brooks and veins.
gold supplies are judged to be shrinking gradually. dentistry demands more gold now than ever before. the yield of gold has been increasing since mid-1950s. gold has been highly valued as a strategic material.
by air by chance at large at ease
arguments and proofs. personal opinions. convincing examples. factual descriptions.
Surface coatings of gold protect earth satellites from radiation. Most of the world’’s refined gold is used for currency backing. The world’’s largest gold mine is located in South Dakota. The mining of gold can be traced back to the feudal age.
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