 | | Journal (article/letter/editorial) | | COLORADO e Gold Hill 0 DENVER Wulfenite Occurrences in Colorado Leadville 0 1 Tincup 03 . 4 Lake...Box 586 Ouray, Colorado 81427 CONNOISSEURS OF WULFENITE probably do not think of Colorado as a noteworthy...deposits throughout the state. A good portion of the Colorado wulfenite localities do not compare with those...last twenty-five years either as a result of new mining operations or as new discoveries in abandoned mines...following descriptions of wulfenite localities in Colorado have been compiled from U.S. Geological Survey |  | | Book (edition) | | MILEAGE L OGS. REVISED EDITION Revised Edition, COLORADO GEM TRAILS AND MINERAL GUIDE HICllAHD :--1. PEARL...an extensive ¥em and mineral collecting tour 01 Colorado, revealing the interesting places where Nature...highways. Latest information is given on local tra\'el and collecting conditions and land ownership, so...Swallow, Publisher) 2679 South York Street Denver, Colorado 80210 - , =· - ·, BOOKS BY RICHARD M. PEARL...PEARL Exploring Rocks, Minerals, Fossils in Colorado America's Mountain: Pikes Peak and the Pikes Peak |  | | Report (issue) | | 21 2.78 100.41 (2) 2.74 100.04 (1) St. Peters Dome, Colorado, USA; average of two analyses, corresponds...Phenakite, bertrandite, hambergite, siderite, sphalerite, willemite, gahnite, topaz, zircon, quartz, microcline...Distribution: From West Cheyenne Ca~ non, near St. Peters Dome, El Paso Co., Colorado, and Cumberland, Providence...Providence Co., Rhode Island, USA. Large crystals from Mont Saint-Hilaire, Quebec, Canada. At Lº agendalen...complex, Nigeria. From the El Criollo pegmatite, Cerro Blanco, Tanti district, 45 km west of C¶ordoba, |  | | 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 |  | | Book (edition) | | — _ ; COLORADO GEM TRAILS AND MINERAL GUIDE ! ■ : ' BOOKS BY RICHARD M. PEARL Colorado Gem Trails...Trails and Mineral Guide Colorado Rocks, Minerals, Fossils America’s Mountain: Pikes Peak and the Pikes...Nature As Sculptor: A Geologic Interpretation of Colorado Scenery Guide to Geologic Literature Popular Gemology...Gemology Mineral Collectors Handbook Colorado Gem Trails The Art of Gem Cutting (With Dr. H. C. Dake)...Dake) * RICHARD M. PEARL ★ COLORADO GEM TRAILS AND MINERAL GUIDE ★ SKETCH MAPS BY MIGNON WARDELL PEARL |  | | Journal (article/letter/editorial) | | northeasterly-trending continentul Figure 2. Geologic map of the Colorado Front Range showing the Precambrian metamorphic...Karistrom 1978; Lanthier 1978). Farther south in Colorado, sediments accumulated in decper-water rocks formed...Survey into “Early, Middle, and Late” Eras. In Colorado we because of the subsequent folding and overthrusting...subduction zone and possibly the creation Era in Colorado and Wyoming of a volcanic island arc. Carpenter...perhaps be the Phillipine island arc, and Jack Colorado show two major rock groups with different ages |  | | Journal (article/letter/editorial) | | MINERALOGY OF THE MOUNT ROSA AREA, EL PASO AND TELLER COUNTIES, COLORADO. II. PEGMATITESI EuceNB B. Gnoss...alkalic granites in the Mount Rosa area, west of Colorado Springs. One is the older calc-alkalic Pikes Peak...minerals in pegmatites of the St. Peters Dome district, Mount Rosa area,Colorado,attracted the attention of...and agesof pegmatites occur side-by-sidein the district has led us to a clarification of the paragenesis...the lack of muscovite and scarcity of beryl, the district receivedscant attention during World War II (Hanle-vet |  | | Journal (article/letter/editorial) | | DIKES OF MOUNT ROSA COMPLEX AREA, COLORADO FRONT RANGE, COLORADO, USA SARAH L. HANSON§ Adrian College,...Madison Street, Adrian, Michigan 49221, USA, GARY ZITO Colorado School of Mines, Metallurgical and Materials...Department, 1500 Illinois Street, Golden, Colorado 80401, USA Keywords: pegmatite, beryllium mineralization...Complex (MRC), located in the Colorado Front Range, extends from St. Peters Dome in the south to Mount Buckhorn...Buckhorn to the north and east of Cheyenne Canyon. The complex lies in the southern part of the Pikes Peak |  | | 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 by J. A...10 cm tall, from the Yucca Hill claim, Park County, Colorado. Richard A. Kosnar specimen; photo by John...should be mailed to Dr. Arthur Roe, 3024 E. Sixth St., Tucson, Arizona 85716, so as to be received before |  | | Journal (article/letter/editorial) | | MIAROLITIC CAVITY IN CHEYENNE CANYON, EL PASO COUNTY, COLORADO GARY ZITO Colorado School of Mines, Metallurgical...Materials Engineering Department, 1500 Illinois St., Golden, Colorado 80401, U.S.A. SARAH L. HANSON§ Adrian College...Madison St., Adrian, Michigan 49221, U.S.A ABSTRACT A miarolitic cavity in a pegmatite in Cheyenne Canyon...Canyon, El Paso Co., Colorado has an unusual mineral assemblage that includes epitaxial genthelvite overgrowths...mineral assemblage in this small pegmatite pocket in Cheyenne Canyon illustrates that variability in fluid composition |  | Adams, John W., Botinelly, Theodore, Sharp, W. N., Robinson, and Keith (1974) Murataite, a new complex oxide from El Paso County, Colorado. American Mineralogist, 59 (1-2) 172-176 | Journal (article/letter/editorial) | | 172-176, 1974 Murataite,a New ComplexOxidefrom El Paso County,Golorado' JouN W. AoAms,TnsooonB BorrNrnv,...^lNoKsrrH RogrNsox U.S. GeologicalSuraey,Denuer, Colorado 80225 Absfact Murataite, a new complex oxide with...OH),, occurs in a pegmatite in the St. Peters Dome area, Colorado. The mineral is cubic, spaae group...found in debris from a small pegmatite in the St. Peters Dome areagavean X-ray powderdiffractionpattern that...brown, and may show very weak anisotropThe St. Peters Dome area where the murataite The index of refractionis |  | | Report (issue) | | GEOLOGICAL SURVEY Locatable Mineral Reports for Colorado, South Dakota, and Wyoming provided to the U.S.............................................. 1 COLORADO ................................................Complete citations are provided on the figures.] COLORADO Gunnison and White River National Forests Mountain...Coronado Groups (USGS, 1997a)......... 46-49 Part of Colorado Springs - Castle Rock area (Trimble and Machette...1979) ......... 50 Geologic map of the St. Peters Dome district (Steven, 1949) ..................... 51 |  | | Journal (article/letter/editorial) | | Two Point claim, Pikes Peak batholith, Teller County. The Collector’s Edge specimen, Jeff Scovil photo...Mail Stop 150, Box 25046 Federal Center Denver, Colorado 80225 pmodreski@usgs.gov C olorado is, of course...prohibitions on collecting or to private land or mining claims for which permission has been obtained....been written as guides to mineral collecting in Colorado. A classic, which went through three major editions...1951 version with a slightly different title), is Colorado Gem Trails and Mineral Guide, by Pearl (1951, |  | | Journal (article/letter/editorial) | | Drift stope level, Climax, Colorado 2Ht In the ore zone, which forms a dome-shaped cap of intensely silicified... OCCURRLNCD OF POLYTYPES 2Hr Fairplay, Park Co., Colorado Harvard 81614 This locality simply has been mentioned...Harvard unnumbered Mountain Lion Mine, Boulder Co., Colorado. 1859 OF MOLYBDENITE Magnolia Dist', ZHt...(Worcester, r9r9). Harvard 104570 Near St. Peters Dome, El Paso Co., Colorado. 2IIr The specimen indicates...Middle Fork, south of Arkansas River, Chafiee Co., Colorado. 2Utl3R-l:l Many different kinds of molybdenite |  | | Report (issue) | | https://archive.org/details/fluorspardeposito00Oharr COLORADO GEOLOGICAL SURVEY BOULDER R. D. GEORGE, State...State Geologist BULLETIN 18 FLUORSPAR DEPOSITS COLORADO By HARRY KAMES A. AURAND BROTHERS, STATE...-...- Governor of Colorado GEORGE UNORLING nee ee President University of Colorado VicCTOR Ct A LDERGONG...TRANSMITTAL. State Geological Survey, University of Colorado, April 29, 1920. Governor Oliver H. Shoup, Chairman...honor to transmit herewith Bulletin 18 of the Colorado Geological Survey. Very respectfully, R. D. GEORGE |  | Van Alstine, R. E., Worl, R.G., Heyl, A.V., Trace, R.D., Parker, R.L., Griffitts, W.R., Sainsbury, C.L., Cathcart, J.B. (1976) Geology and resources of fluorine in the United States. Professional Paper 933. US Geological Survey doi:10.3133/pp933 | Report (issue) | | Peninsula, Mich. 10. Porphyry molybdenum ore, Colorado 11 . Zinc ore, Edwards , N . Y. 12. Manganese...Survey in accordance with the provisions of the Mining and Minerals Policy Act of 1970 (Public Law 91-631...discovered or not currently profitable to mine. The mining of mineral deposits, once they are discovered,........................................... Castle Dome . .... .. .. ....... .. .......... . ........ ....important types of fluorine occurrences-Continued Colorado-New Mexico-western Texas-southeastern Arizona |  | | Journal (article/letter/editorial) | | of New Mexico and Colorado and along this rift projected northward through Colorado, Wyoming, Idaho, Montana...New Mexico, to the head of the San Luis Valley, Colorado. Geologicmapping(Van Alstine, 1968, 1970) at...graben continuesnorthward to the Leadville area, Colorado,wheregrabenstructurehasbeendescribed by Tweto...extendssouthwardinto Mexico and northward.throughNew Mexico, Colorado,Wyomand then cites similar associations elsewhere...Districts The Rio Grande graben is east of the Colorado Rio Grandegraben,in the United States;bounding |  | Collins, Donley S., Cobban, Robert R., Foord, Eugene E., Murphy, Jack A. (1989) Bibliography for update and revision of U.S.G.S. Bulletin 1114, Minerals of Colorado -- a 100 year record, by Edwin B. Eckel, Part A - Paper copy --Bibliography data file disks. Open-File Report Vol. 1989 (89-206) US Geological Survey doi:10.3133/ofr89206a | Report (issue) | | Survey Denver, Colorado Department of Geology, Denver Museum of Natural History Denver, Colorado NOTE FOR...revision of U.S.G.S. Bulletin 1114, Minerals of Colorado A 100 year record, by Edwin B. Eckel By Donley...Prepared in cooperation with Friends of Mineralogy - Colorado Chaptar, and the Denver Museum of Natural History...references dealing with the mineralogy of the state of Colorado. It is part of a more than 10 year effort to update...and revise U.S.G.S. Bulletin 1114, Minerals of Colorado: A 100 year record, by Edwin B. Eckel (1961). |  | | Report (volume) | | it helpful to refer to Survey Bulletin 507, "The mining districts of the western United States," and to...abundant, it may have been completely exhausted by mining or quarrying. Deposits of minerals of wide distribution...because they occur in sufficient quantity to warrant mining for their usual products but because they furnish...A. F. Rogers, Stanford University, Palo Alto. Colorado.........Prof. R. D. George, Boulder. Connecticut...Hotchkiss, Madison. Wyoming.........Mr. C. E. Jamison, Cheyenne. Those members of the United States Geological |  | | Journal (issue) | | Crystal Peak area north of the town of Florissant in Colorado. In addition to being a prospector, miner, and...including Jerry Hurianek, whose longtime activities in Colorado are documented in t\vo of his unpublished articles...(Continued on next page) Only $30 - postpaid in the USA Available exclusively from: Excalibur Mineral Corporation...left Florissant in his later years. he deeded his mining claims to several area rock clubs and private individuals...explore other areas in Crystal Peak and elsewhere in Colorado. His wideranging interests in exploring diverse |  | | Report (volume) | | ............................................. Colorado........................................................................................ 102 District of Columbia ....................................to refer to Geological Survey Bulletin 507, "The mining districts of the western United States," and to...abundant it may have been completely exhausted by mining or quarrying. Deposits of minerals that are widely...because they occur in sufficient quantity to warrant mining for their usual products, but because they furnish |  | | Journal (issue) | | Flatirons Facets Flatirons Mineral Club of Boulder County, Colorado Volume 59, Number 4 The Flatirons Mineral...yearly scholarship to a geology student attending a Colorado college. If you have specimens you are able to...through our Boulder County foothills. I'm sure he’ll impart lots of gold mining history of the area....with the club on August 7 and learn about gold mining. You can also try your hand a gold panning. See...operated by the oldest continuous gold mining family in Colorado. It is a working gold mine where miners |  | | 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 |  | | Journal (issue) | | mineral localities: The French Creek mine, St. Peters, Chester County, Pennsylvania..........................number of institutions already, including the Colorado School of Mines and the Virginia Polytechnic Institute...adjunct curator at the Science Museum of M innesota (in St. Paul), resulting in the opening of a new mineral...in progress, and participate in either gemstone mining in Oregon or dinosaur digging in W yoming. He is...Delaware 19898 Steven C. M isiur Sterling Hill Mining Museum 30 Plant Street Ogdensburg, New Jersey 07439 |  | Plumlee, Geoffrey S., Streufert, Randall K., Smith, Kathleen S., Smith, Steven M., Wallace, Alan R., Toth, Margo I., Nash, J. Thomas, Robinson, Rob A., Ficklin, Walter H., Lee, Gregory K. (1995) Map showing potential metal-mine drainage hazards in Colorado, based on mineral-deposit geology. Open-File Report Vol. 1995 (95-26) US Geological Survey doi:10.3133/ofr9526 | Report (issue) | | Prepared by the U. S. Geological Survey and the Colorado Geological Survey in cooperation with the U. S... Holy Cross Upper Blue River Jefferson rk Fo St. Kevin Sugarloaf Riv Aspen Aspen Leadville Independence...Round Mountain Woodland Park Riverside Ri ve r Colorado Springs Trout Creek Crested Butte Free Gold... La Veta Rive r iver Pu rga toi k ree ver El Plomo / San Luis re Riv er Trinidad La San...Us 38° Te Chalk Creek ive iver Gu F St. Peters Dome Hu re R ahg V Us Us Us Tincup Quartz |
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