 | | Report (issue) | | Ore Deposits of the Eureka and Adjoining Districts San Juan Mountains, Colorado By WILBUR S. BURBANK...with the Colorado State Mining Industrial Development Board A study of part of the western San Juan Mountains...Tertiary volcanic rocks_- ___ - ___________________ _ San Juan Formation ________________ -------Silverton Volcanic...___________________ _ Picayune Formation _______ ------ ______ _ Eureka Tuff ___________________________ _ Burns Formation...________________ _ Eureka graben ________________________ _ Fault systems of Poughkeepsie Gulch ____ _ Downfaulted |  | | Journal (article/letter/editorial) | | SUNNYSIDE MINE EUREKA MINING DISTRICT SAN JUAN COUNTY, COLORADO TOM ROSEMEYER Box 586 Ouray, Colorado 81427 ...Silverton, is situated in the rugged San Juan Mountains of southwestern Colorado. Nestled in a beautiful alpine...the late 1800s and early 1900s, at the height of mining activity, the sprawling Sunnyside mine complex...in the camp without going outside. In the 1960s, mining was carried out on the Washington vein above the...lower level of the Gold King mine at Glad stone, Colorado (Burbank, 1951). In 1959, the American Tunnel |  | | Journal (issue) | | Julius Weber Mamaroneck, New York COLORADO ISSUE #2 Articles Colorado locality index.............................. 323 by B. L. Muntyan What’s new in Colorado minerals? ............................................. 339 by M. I. Jacobson The San Juan Mountains of Colorado ..................................349...10 cm tall, from the Yucca Hill claim, Park County, Colorado. Richard A. Kosnar specimen; photo by John...Natural History for conceiving the idea of a second Colorado issue and for helping a great deal in bringing |  | | Other Paper | | RIVER ABOVE EUREKA E^«^.|3lt- f 4 ^ JIM HERRON, BRUCE STOVER AND PAUL KRABACHER COLORADO DIVISION OF...REPORT ANIMAS RIVER ABOVE EUREKA JIM HERRON, BRUCE STOVER AND PAUL KRABACHER COLORADO DIVISION OF MINERALS...Lower Burrows Creek California Gulch Location Geologic Setting California Gulch Site Descriptions Mountain...Tunnel Columbus Mine Placer Gulch , Location Geologic Setting Placer Gulch Site Descriptions Silver Queen...Site Descriptions Unknown Mine South of Grouse Gulch ToltecMine Silver Wing Mine Tom Moore Mine Senator |  | | Journal (article/letter/editorial) | | MANGANESEMINERALSOF THE SUNNYSIDE VEINS, EUREKA GULCH,CoLoRADo ' W. S. BunsaNK,t U. S. GeologicalSurvey...geologic survey carried on jointly by the State of Colorado and the United States Geological Survey has undertaken...undertaken the remapping of a number of the San Juan mining districts. Much attention has been given to...mineralogy of the veins since only a few of the San Juan ores have been studied in the light of modern...minerals of the Bonanza district2 in the northeastern San Juan and of the manganiferous base-metal ores of the |  | | Report (issue) | | The Triangle of Colorado Mountains of Minerals Contributors David W. Bunk, Robert B. Cook, Don Earnest... Contents PAGE4 PAGE 10 4 The San Juan Triangle of Colorado Ho for the San Juans! by Duane A. Smith, Mark...ocated in southwestern Colorado and covering over 31,000 square kilometers, the San Juans are some of the...not until the last 25 years of the 1800s that the San Juans began revealing the extent of their mineral...In 1896 world-renowned mining engineer Thomas ''T.A." Rickard called the San Juans one of Colorado's |  | | Book | | Gkologim-in-charge. CATALOGUE OF MINERALS FOUND IN COLORADO. BY • F. M. ENDLICH. [EXTRACTED FROM THE TENTH...been adopted. tar as practicable, analyses of Colorado minerals have been given. They will aid examination...of the catalogue. systematic enumeration of the Colorado mineral species and references to the publications...Endlich, S. IN COLORADO. X. D. The continuous development of mineral resources of Colorado is productive...Geological .Report for PS75. Now, the survey of Colorado is completed, many additions of species new to |  | | Journal (article/letter/editorial) | | NOTES AND NEWS HELVITE FROM THE BUTTE DISTRICT, MONTANA* D. F. Hnworrt The rare mineral, helvite (3MnBeSiOr...level (west drift) of the Lexington mine, Butte district, Montana, submitted by M. H. Gidel. The workings...Amelia County, Va.r Recently it was identified in material from the Sunnyside mine, San Juan County, Colo...specimen, which weighs about four pounds, is largely rhodonite and rhodochrosite, through which sporadic grains...record. The specimen contains about 75 per cent rhodonite, 15 per cent rhodochrosite, 8 per cent quartz |  | | Journal (article/letter/editorial) | | August 2013 BARBARA L. MUNTYAN P.O. Box 495 Ouray, Colorado 8 I427 hodochrosite, a manganese carbonate with...botryoids at San Luis, Argentina. Rhodochrosite has also been found in many localities in Colorado, particularly...particularly in the mines of the San luan Mountains in the southwestern part of the state. It occurs in colors...it i s one of the most recognized and coveted Colorado minerals. partiY DO e the presence of a mix...occurs in significant amounts in many mining districts of the Colorado mineral belt, a large, elongated, |  | | Book | | MINES AND MINERALS OF THE GREAT AMERICAN RIFT (COLORADO-NEW MEXICO) Sine —_—< ¢ te om At _SHT 40...MINES AND MINERALS OF THE GREAT AMERICAN RIFT (COLORADO-NEW MEXICO) Richard Walker Holmes and Marrianna...Mines and minerals of the Great American Rift (Colorado-New Mexico). Bibliography: p. Includes index...index. 1. Mines and mineral resources—Colorado. 2. Mines and mineral resources—New Mexico. I. Kennedy, Marrianna...minerals of the Great American Rift in New Mexico and Colorado. Great American Rift is the name we use for a |  | | Journal (article/letter/editorial) | | The Sunnysidemine, in the Eureka mining district, San Juan County, Colorado, produces700 tons/day of ...northernsideof the Eureka graben,whichformedduring resurgent doming of the San Juan-Uncompahgrecalderasabout...ore-formingfluids was locatedwest and southwest of the San Juan-Silvertoncalderas. Fluids were channeledthroughand...northerlyflow until they encountered the structuresof the Eureka graben. Here the primary mechanismof precipitationwas...Colderos . of NEW MEXICO the S•n o 100 I I Km Juan Quaternary- BA, B•c•e/or P, .... Tertiary intrusives |  | | Journal (article/letter/editorial) | | MultistageVein Ores of the Lake City District, Western San Juan Mountains,Colorado John,• F. SL^CK U.S. Geological...vein ores of the Lake City district, in the western San Juan Mountains, Colorado,have producedapproximately$12...the Ute-Ulay mine, the largest producerof the district, titis assemblagehas been divided into four stages(from...massiverhodochrosite'and Id, late quartz-carbonate-fluorite.On a district-wide scale,the quartz-basemetal assemblage showsa...ed in minerals from many veins throughout the district. All observedinclusionsare simpleliquid-vaportypeswithout |  | | Report (volume) | | REPORT ECONOMIC GEOLOGT 7 SILVERTON QUADRANGLE, COLORADO FREDERICK RANSOME WASHINGTON GOVERNMENT PRINTING...Whitman Cross........................... ........ San Juan volcanic area .......................... .......the volcanic area ......... ...........:..... San Juan formation . ...... ...'......--...-............................./................:. Methods of mining and treatment of ores....-....--. ...... .................................. Lodes of Cunningham Gulch.... ........................................... |  | | Journal (issue) | | the Russian material was actually the mineral rhodonite or a similar mineral pyroxmangite. Actually, pyroxmangite...pyroxmangite is a manganese silicate as is rhodonite which also has magnesium, calcium, and iron. Since...distinguished from each other, but analyses show that rhodonite is more abundant in the rock than the pyroxmangite...pyroxmangite. So the rock should be called rhodonite if you do not want to call it orletz. I read and had an...and 1970s I collected in Colorado what was then called rhodonite from Eureka, a ghost town in the Animas |  | | Journal (article/letter/editorial) | | Ouray County, Colorado TOM R O S E M E Y E R 1632 Camp Bird Mine Road P.O. Box 586 Ouray, Colorado 81427...81427 Figure 1: Wide-angle view of the 3 level mining camp located at an elevation of 11,200 feet. The...boardinghouse is on the right, circa 1900. Photo courtesy Colorado Historical Society. The Camp Bird mine is one...Ouray, Colorado, is situated in the rugged and beautiful San Juan Mountains of southwestern Colorado. The...of feet above the canyon floor. Winters in the San Juan Mountains are long and severe with accumulated |  | | 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) | | _________________ ___. Nevada ___________ Elko County. - ______ ... _ Star mine, Harrison Pass _____... Tuscarora Range _____ _ ._. ________ Humboldt County Golconda manganese-tungsten depositNorth workings...Lincoln County__-__-----_-----_-----___ Tern Piute district....... __ ___ ... Mineral County____-_______________...naine________________ Mine near Green Talc mine. _____ Nye County ____ _._-___-________-___ Gabbs area __ _____________________..._____ Brucite and magnesite deposits. __ Pershing County __ Rocks in the West Humboldt Range ..~ Limerick |  | Weiland, Erick F., Lindemann, J.W., Connors, R.A., Meyers, W.T., Johnson, S.A., Heran, W.D. (1981) Geochemical and geostatistical evaluation of American Flats-Silverton planning units, San Juan volcanic province, Colorado. Open-File Report Vol. 1981 (81-599) US Geological Survey doi:10.3133/ofr81599 | Report (issue) | | American FlatsSilverton Planning Units, San Juan Volcanic Province, Colorado by E. F. Weiland, J. W. Lindemann...AMERICAN FLATS-SILVERTON PLANNING UNITS SAN JUAN VOLCANIC PROVINCE, COLORADO Prepared for: United States Bureau...Research Inc. 1626 Cole Blvd., Suite 120 Golden, Colorado 80401 September 26, 1980 BARRINGER RESEARCH...American Flats-Silverton Planning Units in southwest Colorado (fig. 1). Barringer Research Incorporated conducted...located in the western San Juan Mountains, between Silverton and Lake City, Colorado (fig. 1). The study |  | | Journal (article/letter/editorial) | | ... Siskiyou County (National Defenseclaim) ........................ Humboldt County (Queen's Peak deposit).......... Trinity County (ManganeseQueenmine; Lucky Bill prospect) ...... Butte County (Binet prospect;Bear........... Nevada County (Manga-Chromemine; Smith prospect) ............ Amador County (Germolisprospect;Lubankoprospect)...(Germolisprospect;Lubankoprospect) ............ Mariposa County (Caldwell mine) ................................ CalaverasCounty...(Kellogg mine) ................................ Kern County(Big Indian deposit;B.H.P. prospect)........... |  | | Journal (article/letter/editorial) | | BERYLLIUNT MINERALS IN THE VICTORIO MOUNTAINS' LUNA COUNTY, NEW MEXICO* Wrr.r.rauT. HorsBn, Cornell[Jniaersity...Victorio Mountains, 5 miles south of Gage, Luna County, New lvlexico. The area was visited in September...quartz veins of Chafiee County, Colo., Hill City, S. Dak., Irish Creek, Va., San Luis Province, Argentina...hydrothermal type. Helvite in veins is associated with rhodonite, rhodochfosite, and quartz (Silverton, Colo,:...peralkaline granite pegmatite of St. Peters Dome district, Colorado. (Genthelvite: Adams, personal communication |  | | Journal (article/letter/editorial) | | Occurrence Helvite General statement Discovery Gulch Deposits North End Deposits Properties Danalite...occurrence is West Cheyenne Caiion, El Paso County, Colorado. Genthelvite is isometric, tetrahedral. Pale...bodies in Discovery Gulch, a narrow canyon east of Brown City (a temporary mining camp), as well as on...Geological Survey from a recent field study of the district and from detailed laboratory study of the mineral...beryllium-bearing ribbon rock tactite from Discovery Gulch, Iron Mountain, New Mexico. Black areas are fine-grained |  | | Book | | 193-256 137-208 129-192 209-264 193-256 [ [ COLORADO-Ill] 177-256 121-184 89-168 1-120 1-88 [ ...177-256 185-280 169-248 [ 425-528 337--400 COLORADO-II] 321--400 337--400 ARIZONA-Ill] 337--400...69-132 65-128 1-64 11 / 1980 20 I 1989 [ COLORADO-I] [ 289-352 385-448 [ AUSTRALlA] 353-504...Iaria from the Howard-Montgomery quarry, Howard County, Maryland (by J. S. White) 25:53-54 AFGHANISTAN...Iron-manganese phosphates of the Williams pegmatites, Coosa County, Alabama (by P. B. Leavens & T. A. Simpson) 6:66-73 |  | | Report (volume) | | BRIEF REVIEW OF THE GEOLOGY OF THE SAN JUAN REGION OF SOUTHWESTERN COLORADO BY WHITMAN CROSS AND ESPER S...andesite__________ _-_______________________________ San Juan tuff__ _________________________________________________...group._-__ _-_-__-_-_ ___ _ _ _____________________ Eureka rhyolite... __--________-__________J______________...__-__ Resources. ____ __ ^_____ _ ______ Metal mining.._____________-_-------__--_-______-____--_____Production...Geologic map of the San Juan region, Colorado _________ In pocket 2. Relief map of Colorado showing the relation |  | Finch, John Wellington, Bateman, Alan M., Butler, B. S., Loughlin, G. F., McLaughlin, D. H., Singewald, J. T. Jr. - Eds. (1933) Ore Deposits of the Western States. The American Institute of Mining and Metallurgical Engineers, New York. | Book | | uccessor in interest, the American Institute oC Mining and M etallurgical Engineers has made a grant from...attended his efforts- not the spectacular success of a mining executive, but the more lasting success in the...spontaneous movement arose among geologists and mining engineers to express in some appropriate fashion...Board of Directors of the American Institute of Mining and Metallurgical Engineers elected him to H onorary...that would touch wider circles, was desirable. The Mining Geology Committee of the A.I.M.E. undertook to |  | | Book (edition) | | abbreviations: Rep. (republic), prov. (province), co. (county), munic. (municipio), pref. (prefecture), dept...dept. (departement), dept. (departamento), dist. (district). Less common terms are not abbreviated, e.g....always included in text, except in the cases of the USA, UK, and the provinces Ontario and Quebec in Canada...Uintah County. Utah. and m (2.B. acanthite group). Monoclinic, C2/m, a,b,c Rio Blanco County. Colorado...Clear Creek co., and at Rice, Dolores co., both Colorado, at the Questa mine, Taos co., New 1994. Abernathyite |
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