Mine detail: Holland Mine

Previously called 'Part of Duquesne-Washington GroupNash Mines Group'

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Location

Lat / long:

31.3707, -110.69623

Resource(B)

Primary:	Silver, Copper, Zinc, Lead
Secondary:	Gold, Semiprecious Gemstone, Quartz
Ore:	Chalcopyrite, Galena, Molybdenite, Powellite, Pyrite, Quartz, Scheelite, Sphalerite
Gangue:	Chlorite, Grossularite, Pyroxene, Talc, Tremolite
Orebody form:	IRREGULAR, TABULAR
Discovery year:	1880

Production

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

Geology

Host rock:	Naco Group;Cherty Marble Member Of Epitaph Dolomite
Host type:	Limestone
Associated type:	Diorite
Structure:	Mineral Deposits Of Washington Duquesne Area Occupy A Limestone-Sed Iment Belt (2.5 Mi By 1.25 Mi) Surrounded By Igneous Rocks Which Also Form Detached Masses And Dikes Within Belt, Post Ore Faulting Cuts Off Sulfides. Coarse Sheeting Or Jointing D Ips 25e
Tectonic:	Washington Camp Fault Zone

References

MRDS	M030397
DEP	10037099
Reference	{Deposit:: KEITH, 1975, ABM FILE DATA.}{Deposit:: LEHMAN, 1978, PH. D. THESIS, UNIV OF AZ.}{Deposit:: SCHRADER, 1915, USGS BULL 582.}{Deposit:: ABGMT FILE DATA, STANTON B. KEITH.}{Deposit:: ABGMT-USBM FILE DATA.}{Deposit:: USBM FILES, HOLLAND MINE.}{Deposit:: ADMR FILE DATA, HOLLAND MINE.}{Deposit:: ABGMT CLIPPINGS FILES, HOLLAND MINE, DUQUESNE MINING AND REDUCTION CO.}{Deposit:: BLM DISTRICT MINING SHEET 727.}{Deposit:: TENNEY, 1927-29, HISTORY OF MINING IN AZ, ABM, P. 293-300.}{Deposit:: BLAIR, GERRY, 1992, THE ROCKHOUN * GUIDE TO ARIZONA: HELENA, MONTANA, FALCON PRESS, 165 P.}{Other Database:: CIMRI}{Production:: KEITH, 1975; LEHMAN, 1978}
Reporter	Peterson, Jocelyn A., Calder, Susan R., Orris, Greta J.