Mine detail: American Flag Mine

Previously called 'Anaconda MineCrete MineEthel Consolidation MineHoldredge Mine See Location Comments Below'

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Location

Lat / long:

38.63222, -106.00253

Resource(M)

Primary:	Gold
Ore:	Gold
Gangue:	Actinolite, Apatite, Barite, Biotite, Calcite, Chlorite, Gahnite, Opal, Psilomelane, Quartz
Discovery year:	1901

Production

Operation type:	Unknown
Production size:	Small
Development status:	Producer

Geology

Host rock:	Hornblende Gneiss
Host type:	Schist,Gneiss
Associated type:	Quartz Monzonite
Structure:	Southern Mosquito Range, Arkansas Valley Graben, N-Trending Faults, Pleasant Valley Syncline
Tectonic:	Central Cordillera (Southern Rocky Mountains)
Alteration processes:	Oxidation

References

MRDS	D004840
DEP	10010841
Reference	{Deposit:: COLORADO BUREAU OF MINES ANNUAL REPORT 1901, 1902}{Deposit:: HEINRICH, E.W., 1981, PRECAMBRIAN TUNGSTEN AND COPPER-ZINC SKARN DEPOSITS OF SOUTH-CENTRAL COLORADO: CGS RESOURCE SERIES 21, P. 100.}{Deposit:: BOARDMAN, S.J., 1976, GEOLOGY OF THE METAMORPHIC ROCKS OF THE SALIDA AREA, CHAFFEE COUNTY, COLORADO: THE MOUNTAIN GEOLOGIST, V. 13, NO. 3, P. 89-100.}{Deposit:: BOARDMAN, S.J., 1971, PRECAMBRIAN GEOLOGY AND MINERAL DEPOSITS OF THE SALIDA AREA, CHAFFEE COUNTY, COLORADO: PH.D. THESIS, UNIVERSITY OF MICHIGAN, 131 P.}{Deposit:: VAN ALSTINE, R.E., 1969, GEOLOGY AND MINERAL DEPOSITS OF THE PONCHA SPRINGS NE QUADRANGLE, CHAFFEE COUNTY, COLORADO: USGS PROFESSIONAL PAPER 626, P. 43-44, MAP}
Reporter	Foord, Suzann C, Collins, Donna B.