Mine detail: Cayuga Mine

Previously called ''

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Location

Lat / long:

33.08482, -109.39704

Resource(M)

Primary:	Copper
Tertiary:	Zinc
Ore:	Chalcopyrite, Pyrite, Sphalerite
Gangue:	Epidote, Limonite, Magnetite, Orthoclase, Quartz

Production

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

Geology

Host rock:	Longfellow Limestone
Host type:	Quartzite
Associated rock:	Coronado Quartzite;Morenci Granite Porphyry
Associated type:	Diorite
Structure:	Ne Trending Granite Porphyry Dikes; Alternating Sandstone And Shale Beds Form Irregular Areas Almost Entirely Surrounded By Morenci Granite Porphyry, E-W Trending Fissure Vein With Well-Defined Footwall Of Quartzite And Hanging Wall Of Limestone
Tectonic:	Cayuga Fault; Heavy Beds Of Quartzite Are Upthrown On The North Side Of Cayuga Fault And Connect With The Great Quartzite Block Of Coronado Ridge
Alteration processes:	Distinct Contact Metamorphic Zone Between Limestones And Porphyry, Assoicated With A Hardening Of Sedimentary Layers And Substantial Development Of Epidote And Magnetite

References

MRDS	M800417
DEP	10048288
Reference	{Deposit:: BLM DISTRICT SHEET 840.}{Deposit:: USGS PP 43, P. 297-298.}{Deposit:: BENNET, K.C., 1975, GEOLOGY AND ORIGIN OF THE BRECCIAS IN THE MORENCI-METCALF DISTRICT, GREENLEE COUNTY, ARIZONA: M.S. THESIS, UNIVERSITY OF ARIZONA, 153 P.}{Other Database:: CIMRI}
Reporter	Calder, Susan R.