One Shot for Gold: Developing a Modern Mine in Northern California.
Autor: | Curtis, Kent |
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Zdroj: | Environmental History; Oct2023, Vol. 28 Issue 4, p808-810, 3p |
Abstrakt: | The gold deposit was less than one percent of the mineralized material - without an efficient extraction process, the gold was valueless. The basic story is simple (and encouraging): mining geologists from the Homestake Mining Company discovered a potentially valuable gold deposit beneath an existing mercury claim. [Extracted from the article] |
Databáze: | Complementary Index |
Externí odkaz: |