Limonite from San Juan Mountains, USA

Limonite

Porphyry Basin Mine, San Juan County, Colorado, USA

Limonite

Porphyry Basin Mine, San Juan County, Colorado, USA

Limonite

Porphyry Basin Mine, San Juan County, Colorado, USA

Limonite

Porphyry Basin Mine, San Juan County, Colorado, USA

Limonite

Porphyry Basin Mine, San Juan County, Colorado, USA

Limonite

Porphyry Basin Mine, San Juan County, Colorado, USA

Limonite

Porphyry Basin Mine, San Juan County, Colorado, USA

Limonite

Porphyry Basin Mine, San Juan County, Colorado, USA


USA
Colorado Dolores County Lone Cone Mining District (Dunton Mining District) ⓘ Nettie Occurrence (Susan)	Emmons, S. F., Becker, G. F. (1885) Statistics and Technology of the Precious Metals. Bureau of the Census.
Rico Mountains ⓘ Rico Mining District (Pioneer Mining District)	Barnes, Reginald (1985) The Mines and Minerals of Rico [Colorado]. The Mineralogical Record, 16 (3) 203-247
ⓘ C. H. C. Group (Princeton Mine; Ethlena; MS 6136; Princeton; MS 2258; Limestone; MS 6131; Crebec; MS 6130; Patented Claims: C. H. C.; MS 1040)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ C.H.C. Hill	Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
ⓘ Lily D. Mine (Carrie; Silver Belt)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Hope and Cross Prospect	Emmons, S. F., Becker, G. F. (1885) Statistics and Technology of the Precious Metals. Bureau of the Census.
Newman Hill ⓘ Forest Payrole Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey. McKnight, Edwin Thor (1974) Geology and ore deposits of the Rico District, Colorado. USGS Professional Paper 723.
ⓘ Newman Mines (Patented Claims: Swansea; MS 434; Swansea; Klingender; and Chestnut Tunnels; Newman; MS 436a; Chestnut; MS 435)	Emmons, S. F., Becker, G. F. (1885) Statistics and Technology of the Precious Metals. Bureau of the Census.
Silver Creek ⓘ Rico Argentine Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Slick Rock Mining District ⓘ Arrowhead Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Broken Thumb Prospects (Broken Thumb Nos. 1-3 Prospects)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Rainy Day Mine (Pack Rat Mine)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Gunnison County Cebolla Mining District (Goose Creek Mining District) ⓘ Lot mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Goose Creek Mining District ⓘ Dubois Mine (Aunt Carrie; MS 14471; Aunt Hattie; MS 14471; Pride of Denver; MS 14675a; Mary P.J.; MS 15282a)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Lady in Red No. 5 Claim	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Lady in Red Shaft Occurrence	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Green Mountain Mining District (Gold Basin Mining District; Iris Mining District)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Marion-Vanguard Area ⓘ Unnamed Lead Mine (MRDS - 10101886)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Vulcan Mining District (Cebolla Mining District; Domingo Mining District) ⓘ Vulcan Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Vulcan ⓘ Good Hope Mine (Mammoth Good Hope Mine; Mammoth-Good Hope Mine; Mammoth Chimney Mine)	Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
White Earth Mining District (Powderhorn Mining District) ⓘ Alexite Manganese Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Iron Hill Area (Big Iron Hill; Du Pont Adit)	Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
ⓘ Iron Hill deposit	Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing. Larsen, E.S. (1942) Alkalic rocks of Iron Hill, Gunnison County, Colorado. Shorter contributions to general geology, 1941-42. United States Geological Survey Professional Paper 197-A.
Hinsdale County Carson Mining District ⓘ Wager Gulch Limonite Deposit	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Cimarron Mining District ⓘ Cimarron District (Golden Eagle; MS 9781; Government Stamp Lode; MS 2353)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Silver Jack Mine (Unpatented Claims: Silver Jack Nos. 2-10; 12-14; Silver Jack Extension; Patented Claim: Silver Jack; MS 20073)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Galena Mining District (Henson Creek Mining District) ⓘ Excelsior Mine (Patented Claim: Excelsior; MS 5184)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Golconda Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Lake City Mining District Lake City ⓘ Golden Fleece Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
La Plata County ⓘ Cascade Mining District	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Bitteroot Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Silver Star Extension Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Unnamed Silver Prospect (MRDS - 10014201)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Unnamed Zinc - Lead - Silver Prospect (MRDS - 10014202)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Cave Basin	Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
La Plata Mining District (California Mining District) ⓘ Allard Stock	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Allard Tunnel Occurrence (Audrey Nos. 1-2; Protection; Ruby Nos. 1-95; Shorty Nos. 1-4; Jane Nos. 1-4; Minnie)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Babcock Peak Magnetite Deposit	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
La Plata ⓘ Copper Hill Mine (Gold Eagle; Delaware Claims)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Neglected Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Parrott City ⓘ Comstock Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Needle Mountain Mining District (Tacoma Mining District; Florida Mining District; Vallecito Mining District)	USGS Bull 1434
Runlett Peak-Cave Basin Area ⓘ Silver Reef Group (Shy Claims; Silverreef Mine; Three Jacks Group; Mary Murphy Mine; Chance Group; Red Bird Group)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Mineral County Creede Mining District ⓘ Alpha Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Amethyst vein ⓘ Amethyst Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Bachelor Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Commodore Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Bulldog Mountain Mine	Rosemeyer, Tom (2010) Creede: The Last Wild West Silver Mining Camp in Colorado. Rocks & Minerals, 85 (5). 396-413 doi:10.1080/00357529.2010.494150
ⓘ Colewood Tunnel Occurrence	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Corsair Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Emperius Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Exchequer Tunnel Occurrence	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Freeport Tunnel Prospect	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Outlet Tunnel	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Ridge Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Solomon Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ White Star Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Montezuma County Bear Creek Mining District ⓘ Bell Hamilton Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Brown Bear Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Dixie Queen Deposit	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Missouri Girl Deposit (Green Frog)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
La Plata Mining District (California Mining District) ⓘ Indian Trail Ridge Magnetite Deposit	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Ouray County Ouray Mining District ⓘ Box Canyon Hot Springs	Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
Canyon Creek ⓘ Mineral Farm Mine	U.S. Geological Survey Professional Paper 1753
Gold Hill ⓘ American Nettie Mine	Irving, J. D. (1905) Bulletin Vol. 260, Ore Deposits of the Ouray District, Colorado. US Geological Survey p.50-77. doi:10.3133/b260 U.S. Geological Survey Professional Paper 1753
Paquin Mining District ⓘ Black Girl mine	Rocks & Minerals 82:368-380 2008 New Mexico Mineral Symposium abstracts
ⓘ News Boy Mine	U.S. Geological Survey Professional Paper 1753
ⓘ Senorita Mine	U.S. Geological Survey Professional Paper 1753
ⓘ Red Mountain No. 3 deposit	Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
Rio Grande County Crater Mining District ⓘ Robert Burns Claim (MS 9932; Claim: Robert Burns)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Summitville Mining District (Summit Mining District) South Mountain ⓘ Aztec Mine (Summit Lode Mine; Fairview Mine; Aztec No. 1; Aztec No. 2; Claim: Aztec; MS 621a)	Holmes, Richard Walker, Kennedy, Marrianna B. (1983) Mines and Minerals of the Great American Rift (Colorado-New Mexico). Van Nostrand Reinhold Co., New York.
ⓘ Little Annie Mine	Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
Saguache County ⓘ Cochetopa Mining District (Cochetopa Creek Mining District)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Razor Creek Dome	Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
Summer Coon Area ⓘ Del Norte Bog Iron Deposits (Del Norte Limonite)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
San Juan County Animas Mining District Little Giant Peak ⓘ Little Giant Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Silverton Anvil Mountain ⓘ Mayday Mine	Mark R. Stanton (2000) The Role of Weathering in Trace Metal Distributions in Subsurface Samples from the Mayday Mine Dump nearSilverton, Colorado. Proceedings from the Fifth International Conference on Acid Rock Drainage published by the Society for Mining, Metallurgy, and Exploration Inc., Littleton, Colorado. pp1501-1509
Round Mountain ⓘ Titusville Mine (Columbia; Mighty Monarch)	Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
ⓘ Sultan Mountain	Econ Geol (1991) 86:768-779
ⓘ Beartown Mining District (Bear Creek Mining District)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Eldorado Claim (MS 16686; Patented Claim: El Dorado)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Gold Bug Mine (Patented Claims: Gold Bug; MS 11619a; Gold Bug Mill Site; MS 11691b; Repeal; MS 11691a; Gold Nugget; MS 11691a)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Golden Shear Mine (Patented Claim: Bonita; MS 11327)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Good Hope Mine (Patented Claims: Good Hope; MS 7764; Wonder; MS 7764)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Kankakee Mine (Pure Gold; Iron Mask; Aurum; Oro; Tunnel Site; Golden Age; Extension; Lake View; Iron King; Crusader Gold Mine; Chance; Gold Coin; Bullion; Unpatented Claims: Kankakee)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Little May Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Robinson Mine (Patented Claims: Robertson; MS 12224; MS 12224: Scott)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Summit Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Sylvanite Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Elk Park ⓘ Clyde Long property	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Needleton Area ⓘ Sally Bowman Mine (Morse; MS 11512; Patented Claims: Sallie Bowman; MS 11511)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Porphyry Basin Mine	Bill & Diana Dameron Collection. Robert Stoufer Collection. Benjy Kuehling Collection.
South Mineral Creek ⓘ Bandora Mine (Esmeralda claims; Little Todd vein)	Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
San Miguel County Klondike Mining District ⓘ Hidden Treasure Mine	Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
Lower San Miguel Mining District ⓘ Belle Champion Mine (Unpatented Claims: Belle Champion; Golden Era)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Ophir Mining District (Iron Springs Mining District) ⓘ Osceola Mine	Emmons, S. F., Becker, G. F. (1885) Statistics and Technology of the Precious Metals. Bureau of the Census.
New Mexico Rio Arriba County Bromide No. 2 District ⓘ Bromide mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey. Bingler, Edward C. (1968) Geology and mineral resources of Rio Arriba County, New Mexico. Bulletin 91. New Mexico Bureau of Geology and Mineral Resources doi:10.58799/b-91
ⓘ Pay Roll mine	Lindgren, Waldemar, Graton, L.C., Gordon, C.H. (1910) The ore deposits of New Mexico. Professional Paper 68. US Geological Survey doi:10.3133/pp68
Hopewell District ⓘ Dixie Queen mine	Lindgren, Waldemar, Graton, L.C., Gordon, C.H. (1910) The ore deposits of New Mexico. Professional Paper 68. US Geological Survey doi:10.3133/pp68
ⓘ Mineral Point mine	Bingler, Edward C. (1968) Geology and mineral resources of Rio Arriba County, New Mexico. Bulletin 91. New Mexico Bureau of Geology and Mineral Resources doi:10.58799/b-91 Lindgren, Waldemar, Graton, L.C., Gordon, C.H. (1910) The ore deposits of New Mexico. Professional Paper 68. US Geological Survey doi:10.3133/pp68
ⓘ Red Jacket mine	Bingler, Edward C. (1968) Geology and mineral resources of Rio Arriba County, New Mexico. Bulletin 91. New Mexico Bureau of Geology and Mineral Resources doi:10.58799/b-91 Lindgren, Waldemar, Graton, L.C., Gordon, C.H. (1910) The ore deposits of New Mexico. Professional Paper 68. US Geological Survey doi:10.3133/pp68
Petaca Mining District Alamos area ⓘ Red claim (Peacock claim)	Northrop, Stuart A., LaBruzza, F.A. (1996) Minerals of New Mexico (3rd ed.) University of New Mexico Press, Albuquerque, NM.
Cribbenville area ⓘ Cribbenville deposit (New Cribbenville)	Jahns, R. H. (1946) Mica Deposits of the Petaca District, Rio Arriba County, New Mexico. Bulletin 25. Mineral Resources Survey of New Mexico
Las Tablas Mesa de la Jarita ⓘ Big Rock deposit	Schreyer, W., Chinner, G. A. (1966) Staurolite-quartzite bands in kyanite quartzite at Big Rock, Rio Arriba County, New Mexico. Contributions to Mineralogy and Petrology, 12 (3) 223-244 doi:10.1007/bf00518081

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