Mine detail: Trill Bird Deposit

Previously called ''

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Location

Lat / long:

37.34446, -106.60477

Resource(M)

Tertiary:	Gold, Copper
Ore:	Chalcopyrite, Gold, Pyrite
Gangue:	Calcite, Goethite
Discovery year:	1971

Production

Operation type:	Unknown
Production size:	None
Development status:	Occurrence

Geology

Host rock:	Conejos Formation--Cone Breccias;Conejos Formation--Vent Facies
Host type:	Rhyodacite,Andesite
Associated rock:	Intrusive Rocks--Andesite Porphyry
Associated type:	Rhyodacite,Andesite
Structure:	San Juan Volcanic Field, Platoro Caldera (Rim)
Tectonic:	Central Cordillera (Southern Rocky Mtns)
Alteration processes:	Alteration Generally Argillic But Local Silicic And Propylitic Occur; Fe Oxidation (Hematite Staining)

References

MRDS	D010734
DEP	10087905
Reference	{Deposit:: BIRD, W.H., 1973, THE DEVELOPMENT OF THE SOUTHERN PORTION OF THE PLATORO CALDERA COMPLEX AND ITS RELATED MINERAL DEPOSITS, SOUTHEAST SAN JUAN MOUNTAINS, COLORADO: COLORADO SCHOOL OF MINTE THESIS T-1440.}{Deposit:: LIPMAN, P.W., 1974, GEOLOGIC MAP OF THE PLATORO CALDERA AREA, SOUTHEASTERN SAN JUAN MOUNTAINS, SOUTHWESTERN COLORADO: USGS MPA I-828.}
Reporter	Schwochow, Stephen D.