Mine detail: Ridley Mine

Previously called 'Graveyard Mine'

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Location

Lat / long:

31.85235, -110.8104

Resource(M)

Primary:	Lead, Copper, Silver
Secondary:	Gold, Zinc
Tertiary:	Iron, Molybdenum
Ore:	Chalcopyrite, Pyrite, Sphalerite
Orebody form:	TABULAR, BANDED
Other material:	Copper
Discovery year:	1915

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer

Geology

Host type:	Quartzite
Associated rock:	Continental Granodiorite Porphyry;Granodiorite
Associated type:	Diorite
Structure:	Homoclinal, Tilting And Broad Open Folds In S, Extensive Faulting I N N, Thrust And Normal Faulting/Fracture Zone; Faults Are Slickensided
Tectonic:	Basin & Range
Alteration processes:	Partly Oxidized; Granodiorite Is Crushed, Altered, And Sheared

References

MRDS	M050161
DEP	10103743
Reference	{Deposit:: SCHRADER, 1915, USGS BULL 582}{Deposit:: ABM, 1971, FIELDNOTES, V. 1, NO. 2}{Deposit:: DREWES, 1971, USGS MAP I-613}{Deposit:: SCHRADER, 1910, USGS BULL 430}{Deposit:: KEITH, 1974, ABM BULL 189}
Reporter	Peterson, Jocelyn A.