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By William Ascarza Special to the Arizona Daily Star Ryan is both one of Arizona’s frontier mining sites and one of its least known, seldom written about or visited. Exploration of the Warm Springs Canyon area north of Buckskin Mountain near Jacob Lake in Coconino County began in the 1890s. Prospectors identified limonite-stained cherty sandstone fragments on the surface, indicating veins of copper mineralization around Lamb’s Lake, later known as the Petoskey Claims. Local geology included copper ore bodies distributed along northeast-southwest trending fractures occurring in country rock composed of Kaibab limestone, calcareous sandstone, and chert. Many of these are shallow and can be mined in open cuts. Copper carbonates azurite and malachite are primary, with some chalcocite, bornite, cuprite and chrysocolla.

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