Mine detail: Tuttle Ranch

Previously called 'Willis Tuttle Ranch'

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Location

Lat / long:

38.27112, -105.30835

Resource(B)

Primary:	REE, Barium-Barite, Thorium
Ore:	Barite, Thorite
Gangue:	Fluorite, Galena, Limonite, Malachite, Pyrite, Quartz, Siderite
Discovery year:	1952

Production

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

Geology

Host rock:	Hornblende-Plagioclase Gneiss And Alaskitic Granite Gneiss
Host type:	Gneiss,Migmatite
Associated rock:	Syenite
Associated type:	Syenite
Structure:	Wet Mountains, Nw-Trending Shear Zones; Seven Mineralized Zones; Zone No. 5 Most Radioactive
Tectonic:	Central Cordillera (Southern Rocky Mountains)
Alteration processes:	Light Green Clay Borders Mineralized Zone

References

MRDS	D008922
DEP	10012910
Reference	{Deposit:: CHRISTMAN, R.A., HEYMAN, A.M., DELLWIG, L.F, AND GOTT, G.B., 1953, THORIUM INVESTIGATIONS 1950-52, WET MOUNTAINS, COLORADO: USGS CIRCULAR 290, P. 19-20.}{Deposit:: CHRISTMAN, R.A., BROCK, M.R., PEARSON, R.C. AND SINGEWALD, Q.D., 1959, GEOLOGY AND THORIUM DEPOSITS OF THE WET MOUNTAINS, COLORADO, A PROGRESS REPORT: USGS BULLETIN 1072-H, P. 522-523}
Reporter	Collins, Donna B.