Mine detail: Silver Hill Mine

Previously called 'Kin
* MineWashington Silver Mine'

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Location

Lat / long:

35.7062, -80.20007

Resource(M)

Primary:	Zinc, Lead
Secondary:	Silver, Gold
Tertiary:	Copper
Ore:	Brochantite, Chalcopyrite, Chrysocolla, Freibergite, Galena, Hemimorphite, Malachite, Pyrite, Silver, Sphalerite
Gangue:	Actinolite, Calcite, Chlorite, Tremolite
Orebody form:	WEST-PLUNGING LENSES

Production

Operation type:	Unknown
Deposit type:	Stratabound Exhalative
Production size:	Medium
Development status:	Past Producer
Production years:	1838-1868, 1898-1900, 1938
First production started:	1838
Last production ended:	1938

Geology

Host rock:	Mudstone Member Of The Cid Formation
Host type:	Argillite
Associated rock:	Cid Formation
Associated type:	Andesite
Structure:	Gold Hill Fault Zone. Produces Cleavage Of N 15-30 E 80 Nw Dip. East Of Deposit Broad Folds Priduce N 50 E 50 Nw Axial Planar Cleavage., Bedding 45-65 Deg Nw Dip. Near Hinge Of Anticline With Limbs Dipping 80 Nw. 0.5 To 4 M Vertically Dipping Shear Zones Are Encountered Underground. Two Parallel Concordant Ore Beds Are Moderatley Plunging Along Bedding To The Nw.T
Alteration processes:	Chlorite, Calcite, Tremolite, Sericite, And Epidote

References

MRDS	K005062
DEP	10026437
Reference	{Analytical Data:: LUTTRELL, G.W., 1978, USGS OPEN-FILE REPORT 78-152; INDORF, C. 1981.}{Deposit:: CARPENTER, P. A., III, 1976, METALLIC MINERAL DEPOSITS OF THE CAROLINA SLATE BELT, NORTH CAROLINA: NORTH CAROLINA MINERAL RESOURCES SEC. BULL. 84, 166 P.}{Deposit:: PARDEE, J. T., AND PARK, C. F., JR., 1948, GOLD DEPOSITS OF THE SOUTHERN PIEDMONT: U. S. GEOLOGICAL SURVEY PROF. PAPER 213, 156 P.; INDORF, C.P., 1981, THE SILVER HILL ZINC DEPOSIT AND ASSOCIATED DEPOSITS, CENTRAL NORTH CAROLINA: ECONOMIC GEOLOGY, V.76, P. 1170-1185.; POGUE, J.E., 1910, THE CID MINING DISTRICT OF DAVIDSON COUNTY, NORTH CAROLINA: NORTH CAROLINA GEOLOGICAL AND ECONOMIC SURVEY BULLETIN 22.}{Production:: ANNUAL PRODUCTION FROM PARDEE AND PARK, 1948. KLEIN, T.L. USGS, CALCULATIONS OF CUMULATIVE PRODUCTION BASED ON POGUE (1910)}
Reporter	Mcdaniel, Ronald D., Klein, T.L.