Mine detail: Venture Lode Mine 1933

Previously called ''

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Location

Lat / long:

38.61778, -105.94642

Resource(M)

Primary:	Manganese
Secondary:	Iron
Ore:	Limonite, Pyrolusite, Siderite
Discovery year:	1933

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer
First production started:	1933

Geology

Host rock:	Leadville Limestone
Host type:	Limestone
Associated rock:	Granodiorite (Calumet Granodiorite)
Associated type:	Diorite
Structure:	Southern Mosquito Range, Northern Sangre De Cristo Range, Fault Trending N-S; Pleasant Valley Syncline
Tectonic:	Central Cordillera (Southern Rocky Mountains)
Alteration processes:	Oxidation

References

MRDS	D010522
DEP	10101855
Reference	{Deposit:: OSBORN, E.F. AND RAINWATER, E.H., 1934, GEOLOGY OF THE CALUMENT, CO LORADO MINING DISTRICT: ILLINOIS NORTHWESTERN UNIVERSITY UNPUBLISHED M ASTER OF ARTS THESIS, P. 132-133.}{Deposit:: SCOTT, G.R., TAYLOR, R.B., EPIS, R.C. AND WOBUS, R.A., 1978, GEOLOG IC MAP OF THE PUEBLO 10 X 20 QUADRANGLE, SOUTH-CENTRAL COLORADO: USGS MAP I-1022, 1:250,000.}{Deposit:: BEHRE, C.H., JR., OSBORN, E.F., RAINWATER, E.H, 1936, CONTACT ORE D EPOSITION AT THE CALUMET IRON MINE, COLORADO: ECONOMIC GEOLOGY, V. 31, NO. 8, P. 804}
Reporter	Collins, Donna B.