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Biotite from

USA
 
  • Colorado
    • Boulder County
Hanley, J.B., Heinrich, E.W., Page, L.R. (1950) Pegmatite investigations in Colorado, Wyoming, and Utah, 1942-1944. Professional Paper 227. US Geological Survey doi:10.3133/pp227
      • Front Range
Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
      • Gold Hill Mining District
Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
      • Jamestown Mining District
        • Jamestown
Charles Stern, Jeremy Ross, Julien Allaz, Markus B. Raschke, Lang Farmer, Alexandra Skewes (2016) Role of liquid immiscibility in formation of F- and REE-rich segregations in aplite veins near Jamestown, Colorado, USA. in Second Eugene E. Foord Pegmatite Symposium July 15-19, 2016 Colorado School of Mines campus, Golden, Colorado
Hanley, J.B., Heinrich, E.W., Page, L.R. (1950) Pegmatite investigations in Colorado, Wyoming, and Utah, 1942-1944. Professional Paper 227. US Geological Survey doi:10.3133/pp227
Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
      • Clear Creek Pegmatite Province
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Hanley, J.B., Heinrich, E.W., Page, L.R. (1950) Pegmatite investigations in Colorado, Wyoming, and Utah, 1942-1944. Professional Paper 227. US Geological Survey doi:10.3133/pp227
U.S. Geological Survey Professional Paper 955
      • Dailey Mining District (Jones Pass Mining District)
Freeport-McMoRan
Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
      • Georgetown District
        • Silver Plume
Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Hanley, J.B., Heinrich, E.W., Page, L.R. (1950) Pegmatite investigations in Colorado, Wyoming, and Utah, 1942-1944. Professional Paper 227. US Geological Survey doi:10.3133/pp227
Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
      • Idaho Springs Mining District (Virginia Mining District)
Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
      • Jackson Mining District (Corral Mining District)
Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
      • Lamartine Mining District
Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
      • Lawson Mining District (Dumont Mining District; Montana Mining District)
Hawley, C. C. and Frank Baker Moore (1967), Mines and prospects, Lawson-Dumont-Fall River District, Clear Creek County, Colorado, open file report 67-109: 47-48.
      • Mount Evans
Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
    • Eagle County
      • Fulford Mining District
Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
      • Gilman Mining District (Battle Mountain Mining District; Red Cliff Mining District)
Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
    • Gilpin County
      • Apex Mining District (Kingston Mining District; Pine Mining District)
USGS Bull 1182E
      • Central City Mining District (Central Mining District)
Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
      • Russell Gulch
Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
    • Grand County
Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
      • Middle Park
        • Rabbit Ears Pass
Thompson, R. N., Velde, D., Leat, P. T., Morrison, M. A., Mitchell, J. G., Dickin, A. P., and Gibson, S. A., 1997. Oligocene lamproite containing an Al-poor, Ti-rich biotite, Middle Park, northwest Coloroado, USA. Mineralogical Magazine 61: 557-572.
Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
USGS Prof Paper 700 pp6-7
Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
    • Jefferson County
      • Clear Creek pegmatite Province
Meeves, H., et al (1966), Reconnaissance of beryllium-bearing pegmatite deposits in six western states, US Bur. Mines Info. Circ. 8298: 27 (Table A-1).
Hanley, J.B., Heinrich, E.W., Page, L.R. (1950) Pegmatite investigations in Colorado, Wyoming, and Utah, 1942-1944. Professional Paper 227. US Geological Survey doi:10.3133/pp227
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Hanley, J.B., Heinrich, E.W., Page, L.R. (1950) Pegmatite investigations in Colorado, Wyoming, and Utah, 1942-1944. Professional Paper 227. US Geological Survey doi:10.3133/pp227
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Hanley, J.B., Heinrich, E.W., Page, L.R. (1950) Pegmatite investigations in Colorado, Wyoming, and Utah, 1942-1944. Professional Paper 227. US Geological Survey doi:10.3133/pp227
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Meeves, H., et al (1966), Reconnaissance of beryllium-bearing pegmatite deposits in six western states, US Bur. Mines Info. Circ. 8298: 29 (Table A-1).
Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
      • Evergreen Mining District (Malachite Mining District)
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.
Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
USGS Prof Paper 223
Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
      • Front Range
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
      • Golden Mining District
        • Lookout Mountain
Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
      • Idledale Mining District
Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
      • Ralston Buttes Mining District
Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
      • South Platte Pegmatite Mining District
Jim Hall, Rudy BoloΓ±a, Dean Alum, Tom Henderson
Simmons, William B., Heinrich, E. William (1980) Rare-Earth Pegmatites of the South Platte District, Colorado. Resource Series 11, Colorado Geological Survey.
Mineralogical Record: 21: 429.
Simmons, William B., Heinrich, E. William (1980) Rare-Earth Pegmatites of the South Platte District, Colorado. Resource Series 11, Colorado Geological Survey.
Simmons, William B., Heinrich, E. William (1980) Rare-Earth Pegmatites of the South Platte District, Colorado. Resource Series 11, Colorado Geological Survey.
Simmons, William B., Heinrich, E. William (1980) Rare-Earth Pegmatites of the South Platte District, Colorado. Resource Series 11, Colorado Geological Survey.
Hanson, S.L.. et al (2008) 35th Rochester Mineralogical Symposium, Abstracts of contributed papers, 19-20.
Simmons, William B., Heinrich, E. William (1980) Rare-Earth Pegmatites of the South Platte District, Colorado. Resource Series 11, Colorado Geological Survey.
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
    • Lake County
      • Alicante
Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
      • Climax Mining District
        • Climax
Freeport-McMoRan
LeAnderson, P. J., Schrader, E. L., Brake, S., & Kaback, D. S. (1987). Behavior of molybdenum during weathering of the Ceresco Ridge porphyry molybdenite deposit, Climax, Colorado and a comparison with the Hollister deposit, North Carolina. Applied geochemistry, 2(4), 399-415.
      • St. Kevin - Independence
Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
    • Larimer County
      • Big Thompson Canyon Area
Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
    • Park County
      • Alma Mining District
        • Mount Bross
Bartos, P.J., Nelson, E.P., and Misantoni, D. (2007): Mineralium Deposita 42, 235-250.
Pearl, 1958. Colorado Gem Trails & Mineral Guide
      • Horseshoe Basin Mining District
Hanley, J.B., Heinrich, E.W., Page, L.R. (1950) Pegmatite investigations in Colorado, Wyoming, and Utah, 1942-1944. Professional Paper 227. US Geological Survey doi:10.3133/pp227
Rhiana E. Henry, Charles Stern, Markus B. Raschke, Julien M. Allaz,Evan J. D. Anderson, Alexandra Skewes (2016) Rare Earth Element Pegmatites in the South Platte Region of Colorado. in Second Eugene E. Foord Pegmatite Symposium July 15-19, 2016 Colorado School of Mines campus, Golden, Colorado
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
AmMin 84:754-763
      • Montezuma Mining District
        • Hall Valley (Hall's Valley)
Bove, D.J., Caine, J.S., and Lowers, H.A., 2012, Geologic and mineralogic controls on acid and metal-rich rock drainage in an alpine watershed, Handcart Gulch, Colorado: U.S. Geological Survey Scientific Investigations Report 2012–5067, 121 p.
      • Tarryall Mountains
        • South Tarryall Peak
Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
        • Spruce Grove campground
Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
      • Tarryall Springs Mining District (Puma City)
Bob Carnein collection
Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
Rhiana E. Henry, Charles Stern, Markus B. Raschke, Julien M. Allaz,Evan J. D. Anderson, Alexandra Skewes (2016) Rare Earth Element Pegmatites in the South Platte Region of Colorado. in Second Eugene E. Foord Pegmatite Symposium July 15-19, 2016 Colorado School of Mines campus, Golden, Colorado
Markus B. Raschke, Evan J. D. Anderson, Alexandra Skewes, Julien M. Allaz, Charles Stern, Philip M. Persson, Rhiana Henry, Katharina Pfaff (2016) Mineralogy and petrology of a new REE pegmatite near Wellington Lake, in relation to the South Platte Pegmatite district, Colorado (USA). in Second Eugene E. Foord Pegmatite Symposium July 15-19, 2016 Colorado School of Mines campus, Golden, Colorado
      • Wilkerson Pass Area
C.R. Carnein collection
    • Pitkin County
      • Columbia Mining District (Ashcroft Mining District)
Rudy Bologna
Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
      • Snowmass Area
[var. Manganophyllite] Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
Henry A. Truebe (1977), Orthoclase from West Maroon Pass, Colorado. Mineralogical Record, Vol. 8, 363-367
      • White Rock Granodiorite
Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
    • Routt County
      • Fish Creek Mining District
Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
    • Summit County
      • Argentine Mining District
        • Peru Creek Area
Lovering, T.S., Goddard, E.N. (1950) Geology and ore deposits of the Front Range, Colorado. Professional Paper 223. US Geological Survey doi:10.3133/pp223
Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
    • Teller County
      • Crystal Peak
Joseph Dorris (2015) Amazomite and Smoky Quartz Mining on the Smoky Hawk Claim, Teller County, Colorado. 36th Annual New Mexico Mineral Symposium pp. 11-12.
 
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