Mine detail: Heavy Weight Mine

Previously called 'Light Weight'

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Location

Lat / long:

31.8643, -110.7804

Resource(M)

Primary:	Copper
Secondary:	Silver
Tertiary:	Gold, Beryllium
Ore:	Bornite, Chalcopyrite, Covellite
Orebody form:	IRREGULAR, TABULAR
Discovery year:	1887

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer
First production started:	1889
Last production ended:	1902

Geology

Host rock:	Concha Limestone
Host type:	Limestone
Associated rock:	Quartz Latite
Associated type:	Quartz Latite
Structure:	Homoclinal ; Reg.Trends: Tilting And Broad Open Folds In S. And Extensive Faulting In N., Thrust And Normal Faulting - Fracture Zones.
Tectonic:	Basin And Range
Alteration processes:	Garnetization, Silicification

References

MRDS	M050042
DEP	10039409
Reference	{Deposit:: SCHRADER, F.C., 1915, USGS BULL 582.}{Deposit:: ARIZONA BUREAU OF MINES, 1971, FIELDNOTES, V. 1, NO 2.}{Deposit:: DREWES, H., 1971, USGS MAP I-613 (SAHUARITA QUAD).}{Deposit:: CREASEY, S.C., 1955, USGS BULL 1027F.}{Deposit:: JOHNSON, V.H., 1941, GEOLOGY OF THE HELVETIA MINING DISTRICT, PIMA COUNTY, ARIZONA: UNIV OF ARIZONA PH.D THESIS.}{Deposit:: 1909 RECON F. C. SCHRADER U.S.G.S. BULL. 582.}{Deposit:: 1971 DIREXPL ANACONDA-POSSIBLE NEW PORPH. COPPER DEPOSIT.}{Deposit:: 1971 GEOLMAP H. DREWES U.S.G.S. MAP I-613.}{Other Database:: CIMRI}{Production:: KEITH, S.B., 1974, ABM BULLETIN 189, P.126.}
Reporter	Keith, William J., Gest, Don E.