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Biotite from
Iron Mountain, Iron Mountain complex, Fremont County, Colorado, USA


Locality type:Mountain
Classification
Species:'Biotite' (not an IMA approved species)
Formula:K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Biotite data
Locality Data:Click here to view Iron Mountain, Iron Mountain complex, Fremont County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:488546
Long-form Identifier:1:3:488546:7
GUID (UUID V4):9636bb58-a82b-4f03-a997-3ac72c6b788d
Nearest other occurrences of Biotite
1.9km (1.2 miles) Iron Mountain Mine (Iron Mountain Deposit; Iron Mountain Titaniferous Magnetite Deposit), McClure Mountain Complex, Fremont County, Colorado, USA
3.3km (2.0 miles) McClure Gulch carbonatite, McClure Mountain Complex, Fremont County, Colorado, USA
3.3km (2.0 miles) Green Mountain Mine (Copper Boy Mine), Grape Creek Mining District (Greenhorn Mining District), Fremont County, Colorado, USA
6.1km (3.8 miles) Good News No. 1 Property (Goat Park; Good News Complex), Grape Creek Mining District (Greenhorn Mining District), Fremont County, Colorado, USA
6.3km (3.9 miles) McClure Mountain, Iron Mountain complex, Fremont County, Colorado, USA
6.4km (3.9 miles) Good News No. 2 Claims (Goat Park), Grape Creek Mining District (Greenhorn Mining District), Fremont County, Colorado, USA
8.7km (5.4 miles) Titusville and Westfall Gulch Prospects (Grape Claims No. 2 1-19 1977; Unpatented Claims: Arbor Claims No. 1-9), Westfall Gulch, Fremont County, Colorado, USA
9.4km (5.9 miles) Horseshoe Mine (School Section Deposit), Grape Creek Mining District (Greenhorn Mining District), Fremont County, Colorado, USA
10.0km (6.2 miles) Joker Mine (Rocky Mountain Boy Claims Patented Claims), Grape Creek Mining District (Greenhorn Mining District), Fremont County, Colorado, USA
11.3km (7.0 miles) Spikebuck Mine, McIntyre Hills Area, Fremont County, Colorado, USA
References
Reference Search (possible matching items)
Journal (article/letter/editorial)
Complexes in the Wet Mountains Area, Fremont and Custer Counties, Colorado Theodore J. Armbrustmacher and Carl...Carl E. Hedge US Geological Survey, Denver, Colorado 80225, USA Abstract. Concentrations of Rb, Sr, and...alkaline complexes in the Wet Mountains area, Colorado, show that rocks formed as end-products of a variety...nepheline syenite and hornblende-biotite syenite in the McClure Mountain Complex, nepheline syenite pegmatite...pegmatite in the Gem Park Complex, and quartz syenite in the complex at Democrat Creek. The nepheline syenite
Report (issue)
in the Wet Mountains Area, Custer and Fremont Counties, Colorado GEOLOGICAL SURVEY PROFESSIONAL PAPER...in the Wet Mountains Area, Custer and Fremont Counties, Colorado By THEODORE J. ARMBRUSTMACHER GEOLOGICAL...petrology of rocks of the McClure Mountain Complex, Gem Park Complex, and complex at Democrat Creek and associated...in the Wet Mountains area, Custer and Fremont Counties, Colorado. (Geological Survey Professional Paper...16:1269 1. Alkalic igneous rocks. 2. Petrology Colorado Wet Mountains. I. Title. II. Series. QE462.A4A76
Report (volume)
Mafic-Ultramafic Layered Intrusion at Iron Mountain Fremont County Colorado GEOLOGICAL SURVEY BULLETIN 1251-A... Mafic-Ultramafic Layered Intrusion at Iron Mountain Fremont County Colorado By DANIEL R. SHAWE and RAYMOND L...funnel-shaped intrusive complex associated with younger alkalic rocks of the McClure Mountain Complex UNITED STATES...mafic-ultramafic layered intrusion at Iron Mountain, Fremont County, Colo____- ________ In pocket 1. Geologic...McClure Mountain Complex showing location and geologic setting of the mafic-ultramafic complex at Iron
Journal (article/letter/editorial)
ites fromthe Wet MountainsArea, Fremont and Custer Counties,Colorado TnEOr)ORE J. ARMBRUSTMACHER Abstract...Carbonatites associated with alkalic rocks of the McClure Mountain and Gem Park Complexes, andthecomplex at DemocratCreek...(1.45 b.y.) (Taylor et al., 1975a,b) (Fig. Park Complex(Parker and Sharp, 1970) outlined 1). variousdetailsof...McClure Mountain dikeswere mappedwithin the Iron Mountainmafic- Complex,the Gem Park Complex,and the...the complex ultramaficportion of the McClure Mountain Com- at Democrat Creek. The mafic-ultramaficparts
Journal (article/letter/editorial)
CARBONATITES OF THE ARKANSAS RIVER CANYON, FREMONT COUNTY, COLORADO. 3. THE AMETHYST CARBONATITESl E. Wu....Amethyst carbonatites in 12 Mile Park, Fremont County, Colorado are the northernmost representatives of...of the dike halo around the Iron Mountain-McClure Mountain alkalic complex. The deposits contain three...Mountains and the adjacent Wet Mountain Valley in Fremont and Custer Counties, Colorado (Christman el, al., 1959;...the dike halo of the McClure N{ountain-Iron Mountain complex; they are about 15 airline miles from the
Journal (article/letter/editorial)
ALKALIC ROCKS OF THE ARKANSAS RIVER AREA, FREMONT COUNTY, COLORADO.4. THE PINON PEAK BRECCIA PIPES1 E. Wru...Assrnecr The Pinon Peakbrecciapipesin Fremontcounty, colorado,are satelriticto the tion are recorded, thus...bodies of the alkalic province of Fremont and custer counties, colorado. The pinon peak breccia pipes, herein...are satellitic to the Mcclure Mountainrron Mountain complex, just as the Democrat creek comprex has marginal...s (3.3 airline miles) from its consanguineous complex, whereasin Democrat Gulch the brecciasare adjacent
Report (issue)
Geology of the South Pass Area, Fremont County, Wyoming By RICHARD W. BAYLEY, PAUL DEAN PROCTOR,· and...and metamorphism of the South Pass area) and the iron and gold deposits UNITED STATES GOVERNMENT PRINTING...Goldman Meadows Formation ----------------Roundtop Mountain Greenstone ---------------Miners Delight Formation...gold mining ------------------Iron ---------------------------------------Iron-formation of the Goldman Meadows...------Origin of iron ore __________ _: ___________ _ Structure of the Iron Mountain ore body __ Ore bodies
Report (issue)
Washington Zinc ore, Friedensville, Pa. Banded iron-formation. Palmer, Mich. 6. Ribbon asbestos ore...Peninsula, Mich. 10. Porphyry molybdenum ore, Colorado 11. Zinc ore, Edwards, N.Y. 12. Manganese nodules...Elements in the Wet Mountains Area, Fremont and Ouster Counties, Colorado By THEODORE J. ARMBRUSTMACHER GEOLOGY...elements in the Wet Mountains area, Fremont and Custer Counties, Colorado. (Geology and resources of thorium...16:1049-F 1. Thorium ores—Colorado—Wet Mountains Region. 2. Earths, Rare—Colorado—Wet Mountains Region. 3
Journal (article/letter/editorial)
(about 19131, Esterbrook copper district, Albany County. John Taylor collection. An ideal and inexpensive...Dyck and Grace Dyck and wus titled “The Sunrise Iron Mine near Hartville, Wyoming”; it appeared in the...Minerals was titled “The Copper Mountain Pegmatite District, Freniont County, Wyoming” and was in the JulylAugust...most notable ones. The localities are listed by county and then in alphabeticnl order. Where numerous...names are from Hausel (1986). Localities by County Albany County Allanite pegmatite, 12 miles W of Bosler
Report (issue)
deposits in the Wet Mountains area, Fremont and Custer Counties, Colorado By T. J. Armbrustmacher Open-File...deposits in the Wet Mountains area, Fremont and Custer Counties, Colorado 1 By T. J. Armbrustmacher Introduction...of the Wet Mountains of south-central Colorado in southern Fremont and Custer Counties. The thorium deposits...Arkansas River on the north, the Custer-Huerfano County line on the south, the Use fault on the east, and...chiefly granitic gneiss, migmatite, hornblende, and biotite gneiss, and other lithologic variants assigned
Journal (article/letter/editorial)
ALKALIC ROCKS OF THE ARKANSAS RIVER AREA, FREMONT COUNTY, COLORADO. 2. FETID GAS FROM CARBONATITE AND RELATED...Michigan. Assrnecr The Goldie carbonatite of Fremont County, Colorado, and its associated rocks contain a fetid...around the Iron Hill alkalic-carbonatitic complex in Gunnison County, Colorado These Colorado occurrences...igneousprovince west and southwestof Canon City, Colorado,have been describedby Heinrich and Dahlem (1965)...1963)lies in the dike halo of the McClure Mountain-Iron Mountain complex, the largest of the three alkalic intrusive
Journal (article/letter/editorial)
this type are principally of quartz, feldspar, and iron oxides and are known from at least 13 widely scatteredareas:...Idaho; (3) Hall Mountain, Idaho; (4) Wet Mountains, Colorado; (5) Powderhorn, Colorado; (6) Laughlin Peak...Cottonwood area, Arizona; (11) Monroe Canyon,Utah; (12) Mountain Pass, California; and (13) Wausau, Wisconsin....are all extremely rare except in the veins at Mountain Pass, which contain substantialamounts of bastnaesite...areas include muscovite, biotite, chlorite, barite, apatite, and fluorite. Iron oxide minerals, especially
Report (issue)
Carbonatites of the Gem Park Complex, Custer and Fremont Counties, Colorado GEOLOGICAL SURVEY PROFESSIONAL...CARBONATITES OF THE GEM PARK COMPLEX, CUSTER AND FREMONT COUNTIES, COLORADO S a n g re d a C r i s... GEM MOUNTAIN Sawatch Range ark -Cbtrfplex ving pyroxenite and gabbro of the Gem Park Complex. -«...Carbonatites of the Gem Park Complex, Custer and Fremont Counties, Colorado By RAYMOND L. PARKER and WILLIAM...GEOLOGICAL SURVEY PROFESSIONAL PAPER 649 The Gem Park Complex its geology and mineralogy, and its niobium distribution
Report (issue)
Southern Wyoming Province Hartville Uplift to Copper Mountain Area, Wyoming July t 9-25, t 989 Field Trip Guidebook...(Hausel) 34 39 Copper Mountain area geologic summary (Hausel and Graff) Copper Mountain area stop descriptions...References cited 1U .S. Geological Survey, Denver, Colorado. ~e Geological Survey of Wyoming, Laramie, Wyoming...Proterozoic intrusives of the Laramie Anorthosite Complex, and one Devonian kimberlite Elug. Evening at Chutes...trippers visit spinifex-textured komatiites, banded iron-formations, and various uranium and ~old prospects
Journal (article/letter/editorial)
ldbe detectedin amountsaslow as300 ppm. Ferrous iron waspresentin mostdolomiticcarbonatitesamplesand...to sample includingsilicates,phosphates,sulfates,iron oxides, preparation and measurement(Wambeke, 1960)...onlyduringthelast35 years(Deans,1966;Kapustin, Mountain Pass district, California; Oka, Quebec, 1980)...be dis- Canada;Iron Hill, Powderhorn district, Colorado;and covered. GemPark,Colorado(Fig. 1). Althoughthe...Similarly, the HOH-bending vibration district,Colorado;O -- Oka Carbonatite,Quebec,Canada. mode,coupledwith
Report (volume)
Minerals of Colorado: A 100- Year Record By EDWIN B. ECKEL GEOLOGICAL SURVEY BULLETIN 1 1 14 A...knowledge____________________________________ Future of Colorado mineralogy______________________________________...mineral localities and metallic mineral deposits of Colorado ________________________________ In pocket III...mineral localities and metallic mineral deposits of Colorado, has not been included in this reprint. Many of...especially Fischer and others, 1946). MINERALS OF COLORADO: A 100-YEAR RECORD By EDWIN B. EcKEL ABSTRACT
Report (issue)
. . . . . . . . . . . . . . . . . . . . . . 1 County Listings. . . . . . . . . . . . . . . . . . . .... . . . . . . . 4 Mineral Localities Listed by County . . . . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . . . . . . . 7 Beaver County . . . . . . . . . . . . . . . . . . . . . . . ... . . . . . . . . . . . . . . . . . 7 Box Elder County . . . . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . . . . . . . 10 Cache County . . . . . . . . . . . . . . . . . . . . . . .
Report (volume)
deposits of some others, such as clay, coal, and iron ore, are mentioned only in general terms. One material...A. F. Rogers, Stanford University, Palo Alto. Colorado.........Prof. R. D. George, Boulder. Connecticut...See Bauxite and Hallpysite. Asbestos. Tallapoosa County, with corundum deposits near Dudleyville; not found...commercial quantity or quality. Asphalt. Colbert County, small quantity has been shipped from near Leighton;...following localities: Bibb County, Pratts Ferry; Calhoun County, near Tampa; Clay County, T. 20, Pv. 7 E.; Jefferson
Report (issue)
pipes in the Bokan Mountain district of Alaska, carbonatite dikes, and apatite-bearing iron deposits in the................. . Veins and Pipes in the Bokan Mountain District, Alaska ...................................... . Powderhorn District, Colorado ................. . Mountain Pass, California .................Area, Colorado ................ . Bearpaw Mountains, Montana ................. . Ravalli County, Montan81-...Montan81- Lemhi County, Idaho .. Magnet Cove and Potash Sulfur Springs, Ar· kansas .....................
Report (issue)
Canyon Planning Unit Freemont and Custer Counties, Colorado E. F. Weiland Open-File Report 82-462 1982 ...EVALUATION ARKANSAS CANYON PLANNING UNIT FREMONT AND CUSTER COUNTIES, COLORADO VOLUME I Prepared for: United States...States Bureau of Land Management Colorado State Office Prepared by: E.F. Weiland R.A. Connors M.L. Robinson...Resources Inc. 1626 Cole Blvd., Suite 120 Golden, Colorado 80401 April 10, 1981 VOLUME I TABLE OF CONTENTS...YA-553-CTO-100 with the Bureau of Land Management, Colorado State Office. The study was based on a geochemical-
Report (volume)
therefore a wide range of colors. Impurities, such as iron, chromium, and copper, also tint the minerals. Care...generally is more easily synthesized than one of complex composition. Although the diamond has the simplest...Del Norte County; Trinity River, Trinity County; Spanish Creek and Gopher Hill, Plumas County; Placerville...Dorado County; Cherokee Flats, Yankee Hill,and Oroville, Butte County; French Corral, Nevada County; Indian...Indian Gulch and Volcano, Amador County; and Alpine Creek, Tulare County. Other western localities are:
Report (issue)
.......................................... 28 Biotite ..................................................................... He)J's Ha1f·Acre, Natrona County .................................................Petrified tree trunk, near Frontier Creek, Fremont County...................... Gneiss.................important to the economy of other states in the Rocky Mountain area. Since many of the localities are located...Geological Survey, Federal Center, Denver, 2S Colorado. Good topograph ic maps of various parts of Wyoming
Journal (article/letter/editorial)
Economic Vol. 68, 1973, pp. 934-959 Precambrian Iron-Formations of the United States * R. W. B^YLE¾^m)...The thickest and most extensive Precambrian iron-formations of the United States are in the Lake...within the Precambrian cores of many northern Rocky Mountain uplifts in Montana, Wyoming, and South Dakota...the southwesternstates of Colorado, New Mexico, and Arizona. The major iron-formations in the Menominee...about 2 b.y. Lithologic associationsand detailed iron-formation stratigraphy,however, differ greatly from
Report (volume)
............................................. Colorado.................................................deposits of some others, such as clay, coal, and iron ore, are mentioned only in general terms. One material...especially from those of Arkansas, California, Colorado, New Mexico, Oregon, South Dakota, Tennessee,...minerals and rocks, their occurrence and uses: Colorado State Geol. Survey Bull. 6, 1913. 8 USEFUL...See Bauxite and Halloysite. Asbestos. Tallapoosa County, with corundum deposits near Dudleyville; not found
Report (volume)
A Preliminary Report on the Precambrian Iron· Deposits Near Atlantic City, Wyoming By RICHARD W. BAYLEY..._________________________________________________ Main iron-formation__ _________________________________________...deposits___________________________________________________ Iron __ --------------------------------------------...section of iron deposits near Atlantic City, Fremont County, Wyo. Magnetic map of the iron deposits near...geologic setting ________ .. _______ _ Photographs of iron-formation specimens _________________ _ 1. Page
 
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