A former underground Cu-Ag-Au mine located in the N½ sec. 31, T4S, R13E (Grayback 7.5 minute topo map), about 3¼ miles SE of Grayback. Produced 1937-1948. Claims extend into secs. 25 & 36, T4S, R12E. Operated in 1937-38 by H.R. Scott; explored in 1944 by Mr. Theodore Phillips; Operated by Mr. Martin Fishback (1948).

Mineralization is in E-W-trending fissure zone through the mine. Dikes and fissures trend both E-W and NW in the area. Paleocene Tea Cup Granodiorite has N-S contact with the Ruin Granite 100 meters west of the mine. Associated rock unit is Ruin (Oracle) Granite.

Regional dikes and fissures trend both E-W and NW in the area. Paleocene Tea Cup Granodiorite has N-S contact with Ruin Granite 100 meters W of the mine.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List

ⓘ Chrysocolla

1 valid mineral.

Detailed Mineral List:

ⓘ Chrysocolla

Formula: Cu_2-xAl_x(H_2-xSi₂O₅)(OH)₄ · nH₂O, x < 1

References:

MRDS database Dep. ID #10046283, MRDS ID #241178.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 9 - Silicates
ⓘ	Chrysocolla	9.ED.20	Cu_2-xAl_x(H_2-xSi₂O₅)(OH)₄ · nH₂O, x < 1

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Chrysocolla	Cu_2-xAl_x(H_2-xSi₂O₅)(OH)₄ · nH₂O, x < 1
O	Oxygen
O	ⓘ Chrysocolla	Cu_2-xAl_x(H_2-xSi₂O₅)(OH)₄ · nH₂O, x < 1
Al	Aluminium
Al	ⓘ Chrysocolla	Cu_2-xAl_x(H_2-xSi₂O₅)(OH)₄ · nH₂O, x < 1
Si	Silicon
Si	ⓘ Chrysocolla	Cu_2-xAl_x(H_2-xSi₂O₅)(OH)₄ · nH₂O, x < 1
Cu	Copper
Cu	ⓘ Chrysocolla	Cu_2-xAl_x(H_2-xSi₂O₅)(OH)₄ · nH₂O, x < 1

Other Databases

Link to USGS MRDS:	10046283

Other Regions, Features and Areas containing this locality

North AmericaContinent

Sonoran DesertDesert

North America PlateTectonic Plate

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References

U.S. Bureau of Mines file data.

USGS Grayback Quadrangle map.

U.S. Bureau of Land Management Mining District Sheets 614, 640.

Arizona Department of Mineral Resources Peg Leg Mine file.

MRDS database Dep. ID #10046283, MRDS ID #241178; and Dep. ID #10259581, MAS ID #040210953.

USGS GQ 1206 (1975).

Niemuth, Nyal J., Phillips, Ken A. (1992, July) Copper Oxide Resources. Open-file Report 92-10. Arizona Department of Mines and Mineral Resourcesp.15 - Table 1

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