Biotite gneiss from


USA
Colorado Chaffee County Free Gold Mining District Buena Vista Area ⓘ Wapaca Occurrence	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Turret Mining District ⓘ Copper King Mine (E.W.; Turret Deposit)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Custer County ⓘ Unidentified Mine (MRDS - 10013031)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Unidentified Occurrence (MRDS - 10013039)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Fremont County Copper Gulch Area ⓘ Copper Gulch Deposit	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Red Mountain Prospect (Mowe; Hollister and Drake Operation Claims: Mary Jean; Lucky Strike; Shamrock Claims)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Cotopaxi Mining District	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Sand Gulch Prospect No. 2	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Deweese Plateau Copper Gulch Area ⓘ Little Giant Claims	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ War Dance Mine (War Dance Claims)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
East Pierce Gulch Area ⓘ Bear Claims Nos. 1 and 2 1977 (Old Cunac Property; Wagner-Grape Creek Lode)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Eight Mile Park Pegmatite Mining District ⓘ Border Feldspar Prospect No. 1 and No. 2	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Grape Creek Mining District (Greenhorn Mining District) ⓘ Adamic Cow Camp Workings Occurrence (Apollo Claim; Apollo No. 1 Claim 1977)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Columbine Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Copper Gulch Area ⓘ Copper Girl (Copper Girl 1906; Patented Claims: Valley View)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Copper King Mine (Copper King Claims Patented; Unpatented Claims: Sam 1-15 1977 Part; Dawson Mtn Workings)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Dawson Mountain - Surprise Group (Unpatented Claims: Sam 1-15 1977 Part; Copper Boy 1902)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Deer Ridge Claim	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ El Plomo Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Good News No. 1 Property (Goat Park; Good News Complex)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Good News No. 2 Claims (Goat Park)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Green Mountain Mine (Copper Boy Mine)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Horseshoe Mine (School Section Deposit)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Joker Mine (Rocky Mountain Boy Claims Patented Claims)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Unidentified Occurrence (MRDS - 10087767)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Guffey Mining District (Freshwater Mining District) ⓘ Isabel Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Lookout Mountain Area ⓘ Horsepasture Pegmatites Occurrence	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
McIntyre Gulch Area ⓘ Morning Star Claims 1943	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
McIntyre Hills Area ⓘ Jack of Diamonds Prospect	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Poverty Mountain Road Prospect	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Micanite Mining District (Currant Creek Mining District) ⓘ Lower South Mine (Whisper ? Mine)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Rosemont Mine (East Mine)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Rowe's No. 2 Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Rowe's North Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Rowe's South Prospect	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Tickon Prospect	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Upper South Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Whopper Mine and Prospect	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Pine Gulch Area ⓘ Sunset Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Red Gulch Mining District ⓘ Dirty Gulch Mine (Copper Prince Mine?)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Indian Springs Gulch Prospect	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Southern Grape Creek Mining District ⓘ Hellgate Claims Nos. 1-12 (Hellgate Gulch Open Pit)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Liberty Bond Claim	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ South Fremont County prospects	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Yorkville Area Prospects	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Temple Canyon Area ⓘ Temple Canyon Prospect	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Texas Creek Area ⓘ Debbie Jean Claims	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Navajo Claims (Big Emma)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Sheila I Prospect	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Texas Creek Prospect	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Upper Copper Gulch Area ⓘ Upper Copper Gulch Claims	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Westfall Gulch ⓘ Titusville and Westfall Gulch Prospects (Grape Claims No. 2 1-19 1977; Unpatented Claims: Arbor Claims No. 1-9)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Huerfano County Gardner Area ⓘ Bell Air Claims	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Park County Guffey Mining District ⓘ Baumer Pegmatite Prospect	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Betty Mine (Lone Chimney Mine; Betty Lowe)	Spry, P. G., McFadden, S., Teale, G. S., Alers, B., Shallow, J. M., & Glenn, J. M. (2021). Nodular sillimanite rocks as field indicators to metamorphosed massive sulfide deposits. Ore Geology Reviews, 104632.
ⓘ East-West Pegmatite Occurrence (West-West Pegmatite)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Guffey District; West Occurrence	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Johnson Ranch Prospect	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Nash Ranch Prospect	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ School Section Prospect (B&G Claim)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Skinney Claim (Lues Gulch Prospect; Lues Ranch Prospect)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Townsend Ranch Prospect	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Unknown Beryllium - Mica - Feldspar (MRDS - 10107950)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ West Ranch Deposit (West Deposit)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Lake George (Badger Flats) Area Marksbury Gulch Area ⓘ Unknown Gold - Lead - Zinc (MRDS - 10010895)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Micanite Mining District ⓘ Beryllium Lode Prospect	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Famous Lode Mica Prospect (Famous Lodge Pegmatites; Little Joe From Kokomo Claim Adjoining)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Rose Dawn Mine (Rose Dawn Mica Mine; North Mine)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Star Girl Mine (Colorado Feldspar Company Mine)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Tarryall Springs Mining District (Puma City) ⓘ Blue Mountain Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.

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