quartz-carbonate veinlets

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Gold mining in Alaska — Gold mining in Alaska, a state of the United States, has been a major industry and impetus for exploration and settlement since a few years after the United States acquired the territory from Russia. Russian explorers discovered placer gold in… … Wikipedia
geology — /jee ol euh jee/, n., pl. geologies. 1. the science that deals with the dynamics and physical history of the earth, the rocks of which it is composed, and the physical, chemical, and biological changes that the earth has undergone or is… … Universalium
Copper Flat Mine — The Copper Flat Mine (also classified as the Copper Flat Property, the Copper Flat Deposit, the Copper Flat Project, or simply as Copper Flat) is a former producing mine located in southwestern New Mexico that is currently in development. The… … Wikipedia

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