According to a report published by the Alaska Geological Survey in the 1990's the extraction of placer gold deposits became an economically feasible means to mine for gold as long as the metal ...

lode deposits and placer deposits. Gold can be found in these deposits in a variety of forms, including nuggets, fine grains, flakes and microscopic particles. The metal is usually found alloyed ...

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EXPLANATIONS of the eccentricities of the paystreak in placer deposits have long been considered difficult to furnish. Geikie, Beck, Posepny, Locke, Lindgren, and many others have all discussed ...

Smith in 1874. The deposit, at 5,280-feet elevation, became the most sought-after placer deposit — or accumulation of valuable minerals — in Southern Arizona over the next decade, with the ...

The easily exploitable placer deposits were soon exhausted, but the thirst for gold was reignited during the 1970s when wildcat miners, garimpeiros, rushed to exploit a region with both alluvial ...

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The Company’s objective is the trace old placer gold workings back to a bedrock source to uncover economic lode gold deposits. The Company’s flagship property is the St ...

These mineralized zones have been eroded from antiforms (Saddle Reef) that extend parallel to the northwest of the placer deposit." Mr. Levasseur also declared: "This marks another significant ...