Mine detail: Garo Deposit

Previously called 'Duvall DiscoveryShirley May Mine'

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Location

Lat / long:

39.09583, -105.89088

Resource(M)

Primary:	Vanadium, Radium, Uranium
Secondary:	Copper
Ore:	Chalcocite, Chrysocolla, Covellite, Malachite, Tyuyamunite, Uranophane
Gangue:	Calcite, Chalcedony, Hematite, Limonite, Pyrite
Orebody form:	LENTICULAR BODIES
Discovery year:	1903

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer
First production started:	1919

Geology

Host rock:	Maroon Formation
Host type:	Sandstone
Structure:	South Park, Nw-Trending Garo Anticline; Complex High Angle, Normal And Reverse Faults, Striking N10w To N35e And Dipping As Much As 88 Degree Se; There Is As Much As 1000 Feet Of Displacement Horizontally Along Some Faults, And 60 Ft Vertically; The Faults Are Left Lateral, Moving The Western Side Of The Fault Northward; Small, North-Plunging Folds Locally
Tectonic:	Central, Cordillera, (Southern Rocky Mountains)
Alteration processes:	Oxidation

References

MRDS	D009076
DEP	10013017
Reference	{Deposit:: WILMARTH, V.R., 1959, GEOLOGY OF THE GARO URANIUM-VANADIUM COPPER DEPOSIT, PARK COUNTY, COLORADO: USGS BULLETIN 1087-A, 21 P.}{Deposit:: NELSON-MOORE, J.L., COLLINS, D.B. AND HORNBAKER, A.L., 1978, RADIOACTIVE MINERAL OCCURRENCES OF COLORADO AND BIBLIOGRAPHY: CGS BULLETIN 40,P. 366.}{Deposit:: BRYANT, BRUCE, MCGREW, L.W. AND WOBUS, R.A., 1981, GEOLOGIC MAP OF THE DENVER 1 DEGREE X 2 DEGREES QUADRANGLE, NORTH-CENTRAL COLORADO: USGS MAP I-1163, 1:250,000}{Production:: WILMARTH, V.R., 1959; NELSON-MOORE, J.L. AND OTHERS, 1978;}
Reporter	Collins, Donna B.