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  • Quartz reef mining - Wikipedia

    Quartz reef mining played an important role in 19th Century gold-mining districts such as Bendigo, Victoria, Central Otago in New Zealand, and the California mother lode In at least the shallow, oxidized zones of quartz reef deposits, the gold.

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  • Mining in Afghanistan - Wikipedia

    Mining in Afghanistan is controlled by the Ministry of Mines and Petroleum, which is , Sar-e Pol Province: Balkhab Copper Mine (worlds largest deposit), Oil (Kashkari , disseminated in dolomite marble and quartz-biotite-dolomite schists of the Loy , taps huge copper reserves in Afghanistan Oct 31, 2009 Associated Press.

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  • AZGS | Mineral Resources - The Arizona Geological Survey

    Arizona Department of Mines and Mineral Resources (ADMMR) information , who chiefly mined surface outcrops of salt, clays, hematite, quartz, obsidian, stone, , In the late 1600s, Spanish explorers began the hunt for metallic deposits with.

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  • Maps and Data - Energy, Mines and Resources - Government of ,

    17 Oct 2016 , DRAFT - Yukon Mining and Exploration Projects 2016 (32x42) 6,568 KB , Map showing mineral deposits by commodity and deposit type, infrastructures , Online map showing the index of mineral claim maps for quartz (hard.

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