Mine detail: Delay Adit and Lloyd Shaft

Previously called ''

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Location

Lat / long:

38.64167, -106.07477

Resource(B)

Primary:	Fluorine-Fluorite
Tertiary:	Manganese
Ore:	Fluorite
Gangue:	Barite, Calcite, Goethite, Hematite, Kaolinite, Manganite, Montmorillonite, Opal, Psilomelane, Pyrite, Pyrolusite, Quartz
Discovery year:	1923

Production

Operation type:	Unknown
Production size:	Small
Development status:	Prospect
First production started:	1927
Last production ended:	1949

Geology

Host rock:	Banded Gneiss
Host type:	Gneiss,Rhyolite
Associated rock:	Gneissic Quartz Monzonite;Ash-Flow Tuff
Associated type:	Gneiss,Rhyolite
Structure:	Southern Mosquito Range, Arkansas Valley Graben, Folds, Faults; N-Trending Fault Bounding Arkansas Valley
Tectonic:	Central Cordillera (Southern Rocky Mountains)
Alteration processes:	Silicification, Fluoritization, Argillization

References

MRDS	D010250
DEP	10101843
Reference	{Deposit:: VAN ALSTINE, R.E., 1969, GEOLOGY AND MINERAL DEPOSITS OF THE PONCHA SPRINGS NE QUADRANGLE, CHAFFEE COUNTY, COLORADO: USGS PROFESSIONAL PAPER 626, 52 P.}{Deposit:: VAN ALSTINE, R.E. AND COX, D.C., 1969, FLUORSPAR MINES AND PROSPECTS, IN, GEOLOGY AND MINERAL DEPOSITS OF THE PONCHA SPRINGS NE QUADRANGLE, CHAFFEE COUNTY, COLORADO: USGS PROFESSIONAL PAPER 626, P. 38-43}{Deposit:: BRADY, B.T., 1975, MAP SHOWING FLUORSPAR DEPOSITS IN COLORADO: USGS MAP MR-70, 1:500,000, TEXT}{Deposit:: Sunshine Mining Co. Colorado exploration files, unpublished data, Colorado Geological Survey.}
Reporter	Collins, Donna B., Beach, Richard A.