Navajo Sandstone of Jurassic and Triassic(?) age from the Copper Mine Trading Post. Coconino County, Arizona. No Date.
Summary
Navajo Sandstone of Jurassic and Triassic(?) age from the Copper Mine Trading Post. Sandstone cemented by malachite (ma) and with remaining pores filled with cuprite (cr) and chrysocolla (cy). Exposures by reflected light and by light transmitted through crossed polars; sample CU-11 A. Coconino County, Arizona. n.d. Published as figure 3 in the U.S. Geological Survey Professional Paper 907-C. 1976.
Summary
Navajo Sandstone of Jurassic and Triassic(?) age from the Copper Mine Trading Post. Sandstone cemented by malachite (ma) and with remaining pores filled with cuprite (cr) and chrysocolla (cy). Exposures by reflected light and by light transmitted through crossed polars; sample CU-11 A. Coconino County, Arizona. n.d. Published as figure 3 in the U.S. Geological Survey Professional Paper 907-C. 1976.
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