Mine detail: Duke Mine

Previously called 'Montpelier Mining Co.'

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Location

Lat / long:

42.22183, -111.18299

Resource(M)

Primary:	Copper
Ore:	Chalcocite, Covellite, Malachite
Orebody form:	IRREGULAR, SEAMS

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer
First production started:	1905

Geology

Host rock:	Ankareh Formation-Sandstone, Shale
Host type:	Shale,Sandstone
Structure:	Home Canyon Anticline
Alteration processes:	Cu Carbonate Stains, Carbonized Plant Fragments, Oxidation

References

MRDS	W026110
MAS	160070073
DEP	10078003
Reference	{Deposit:: MANSFIELD, G. R., 1927 , GEOGRAPHY, GEOLOGY, AND MINERAL RESOURCES OF PART OF SOUTHEASTERN IDAHO: USGS PROF. PAPER 152 , P. 346}{Deposit:: GALE, H. S., 1910 , GEOLOGY OF THE COPPER DEPOSITS NEAR MONTPELIER, BEAR LAKE COUNTY, IDAHO: USGS BULL. 430 , P. 112 - 121}{Deposit:: 1910 RECON H. S. GALE, BULL. 430}{Deposit:: 1927 RECON G. R. MANSFIELD, PROF. PAPER 152}{Deposit:: V.E. MITCHELL, ET. AL; MINES AND PROSPECTS MAP SERIES, 1981, PRESTON QUAD, LOCATION NO. 230}{Production:: GALE, H. S., 1910 , USGS BULL. 430}
Reporter	Matthews, John Y.; Miller, Pat, Western Field Operations Center (WFOC)