Mine detail: Trail Mines Prospect

Previously called '21 Prospect'

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Location

Lat / long:

38.77445, -104.915

Resource(M)

Primary:	Thorium
Ore:	Thorite

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer
First production started:	1957
Last production ended:	1958

Geology

Host rock:	Pikes Peak Granite;Pegmatite
Host type:	Granite
Associated rock:	Pikes Peak Granite;Pegmatite
Associated type:	Pegmatite,Granite
Structure:	Front Range Uplift, Pikes Peak Batholith, Mt Rosa Intrusive Center, Ute Pass Fault, Manitou Park Half Graben
Tectonic:	Central Cordillera (Southern Rocky Mtns)

References

MRDS	D010312
DEP	10087850
Reference	{Deposit:: TRIMBLE, D.E., AND MACHETTE, M.N., 1979, GEOLOGIC MAP OF THE COLORADO SPRINGS-CASTLE ROCK AREA, FRONT RANGE URBAN CORRIDOR, COLORADO: USGS MAP I-857-F.}{Deposit:: FINLAY, G.I., 1916, DESCRIPTION OF THE COLORADO SPRINGS QUADRANGLE: USGS FOLIO 203.}{Deposit:: STEVEN, T.A., 1949, GEOLOGY AND FLUORSPAR DEPOSITS OF THE ST. PETERS DOME DISTRICT, COLORADO: COLORADO SCI. SOC. ROC., V. 15, NO. 6, P. 259-284.}{Deposit:: PEARL, R.M., 1965, COLORADO GEM TRAILS AND MINERAL GUIDE: DENVER, SAGE BOOKS, P. 171-180.}{Deposit:: OVER, EDWIN, JR., 1929, SOME MINERAL LOCALITIES OF EL PASO COUNTY: ROCKS AND MINERALS, V. 4, NO. 4, P. 106-107. & &}{Deposit:: COLORADO DIV. MINES INF. REPT.}
Reporter	Schwochow, Stephen D.