 | | Report (issue) | | OF PARTS OF THE NORTHWESTERN SAN JUAN MOUNTAINS COLORADO By W. S. Burbank and Charles T. Pierson UNITED...PARTS OF THE NORTHWESTERN SAN JUAN MOUNTAINS, COLORADO By W. S. Burbank and Charles T. Pierson This...PARTS OF THE NORTHWESTERN SAN JUAN MOUNTAINS, COLORADO CONTENTS Page Abstract.......................... Cochetopa area, Gunnison County....... Cebolla mining district, Gunnison County......................deposits ................... Upper Uncompahgre district, Ouray County....................... General geology |  | | 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 (volume) | | 4=78 GEOLOGY AND ORE DEPOSITS NEAR LAKE CITY, COLORADO BY JOHN DUER IRVING AND HOWLAND BANCROFT WASHINGTON........................................ Official mining districts........................................................................... Lake City district.................................................................... Ore deposits of Lake City district....................................... The lodes...group........................... Quartz-galena-sphalerite group.............................. Telluride |  | | Journal (article/letter/editorial) | | of COLORADO ED RAINES Geology Museum Colorado School of Mines 1310 Maple Street Golden, Colorado 80401...noted Figure 1. Camp Bird mine, level 2, Sneffels district, Ouray County. Raines-Pettem collection,...photographer unknown. B etween 1868 and 1922, Colorado produced almost 260 million pounds of copper....from the Leadville district, with another 50 million pounds mined in San Juan County (Henderson 1926).... During the twentieth century, the Gilman district surpassed Leadville in total copper production with |  | | Journal (issue) | | R. Kampf Natural History Museum of Los Angeles County Arthur Roe Tucson, AZ Abraham Rosenzweig University...Behnke Famous mineral localities: the Corrego Frio mine and vicinity, Minas Gerais, Brazil ...............Person-other—Other persons such as miners, field assistants, mine managers, etc. Place —Used when a mineral is named...Czechoslovakia France Germany Japan Italy Mexico Namibia USSR USA Zaire Total Total number of species during 5-year...leached, ferruginous gossan. Stolzite from this mine was occasionally seen overlying or associated with |  | | 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? ...................................... Famous mineral localities: the Home Sweet Home mine ..................................................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 |  | | Report (issue) | | COLORADO GEOLOGICAL SURVEY BOULDER R. D. GEOqGE, State Geologi.t BULLETIN 22 MINERAL DEPOSITS OF THE...oozi5137 EAME"S BROS, STATE PRINTERS FOR COLORADO DENVER. COLORADO GEOLOGICAL B O A R D His Excellency...Shoup George Norlin Governor of Colorado President University of Colorado Victor C. Aldersox.. Charles...TRANSMITTAL State Geological Survey, Uxiversity of Colorado, October 28, 1920. Governor Oliver H. Shoup. Chairman...honor to transmit herewith Bulletin 22 of the Colorado Geological Survey. Very respectfully, R. D. George |  | | Report (volume) | | Zinc-Copper-Lead Sulfides and Zinc Spinel (Gahnite) in Colorado U,S. GEOLOGICAL SURVEY BULLETIN 1550 , Precambrian...Zinc-Copper-Lead Sulfides and Zinc Spinel (Gahnite) in Colorado By DOUGLAS M. SHERIDAN and WILLIAM H. RAYMOND...zinc-copper-lead sulfides and zinc spinel (gahnite) in Colorado. (Geological Survey bulletin ; 1550) Bibliography:...Geology, Stratigraphic-Precambrian. 3. Geology-Colorado. I. Raymond, William H. II. Title. III. Series...metamorphosed to lower amphibolite facies Deposits in the Gunnison area . . . . . . . . . . . Economic potential |  | | Report (volume) | | Bromargyrite in Volcanic Rocks near Silver Cliff, Colorado GEOLOGICAL SURVEY BULLETIN 1 J82-C t V ...Bromargyrite in Volcanic Rocks near Silver Cliff, Colorado By FRED A. HILDEBRAND and ELWIN L. MOSIER CONTRIBUTIONS...silver ores remain at the surface in this old mining district UNITED STATES GOVERNMENT PRINTING OFFICE,................................................. Mining history .........................................south-central Colorado Map showing principal mining area of Silver Cliff-Rosita mining district and areas |  | | Report (issue) | | Rare-Earth Minerals in Powderhorn District, Gunnison County, Colorado By J. C. OLSON and S. R. WALLACE...PLATE 55. Generalized geologic map of Powderhorn district showing localities examined....____________________________...86. Index map of Colorado, showing location of Powderhorn district, Gunnison County, Colo_-__-__--_-_-_----_-_--_...Deposits showing abnormal radioactivity, Powderhorn district 700 704 707 718 A CONTRIBUTION TO ECONOMIC...RARE-EARTH MINERALS IN THE POWDERHORN DISTRICT, GUNNISON COUNTY, COLORADO By JERRY C. OLSON and STEWART R. |  | | Journal (article/letter/editorial) | | Caldwell Stone Company quarry, Danville, Boyle County. Terry Huizing specimen and photo. K entucky...Commonwealth is Black Mountain in the Appalachians (Harlan County) at 4,139 feet. The lowest point is the floor of...of the Reed quarry near Grand Rivers (Livingston County) in western Kentucky, at 100 feet below sea level...small, nondiamondiferous kimberlite in Elliott County in eastern Kentucky and alnöite intrusions in Crittenden...described in Anderson (1994). The most widespread mining in Kentucky is coal. More than 7.4 billion tons |  | | Journal (article/letter/editorial) | | (above). Pyrite, Alice Glory Hole, Clear Creek County. Cluster of intergrown crystals showing light...Figure 2 (right). Pyrite, Mountain Spring mine, Rico, Dolores County. Cluster of modified cubes; specimen...C*O*L*O*R*A*D*O PYRITE BARBARA L. MUNTYAN Ouray County Museum Ouray, Colorado 81427 Mineral photographs by John R...Park City, Utah; Washington State; and numerous Colorado localities. Pyrite crystallizes in the isometric...Pyrite is the most common sulfide mineral found in Colorado; it is found in a wide variety of occurrences |  | | Journal (article/letter/editorial) | | METAMORPHOSED PROTEROZOIC BASE-METAL SULFIDE OCCURRENCES, COLORADO: A RE-EVALUATION OF GAHNITE COMPOSITION AS A GUIDE...metamorphosed to the amphibolite and granulite facies in Colorado, many of which are spatially associated with Mg-rich...massive-sulfide deposits in Mg-rich alteration zones in Colorado, causes a marked enrichment in the spinel component...guide, massive sulfides, magnesium enrichment, Colorado. SOMMAIRE Le spinelle zincifère [(Zn,Fe,Mg)Al2O4]...treize gisements de sulfures protérozoïques au Colorado qui ont atteint le faciès amphibolite ou granulite |  | | Journal (article/letter/editorial) | | 19 October 2014 Vindicator Mine, Cripple Creek, Teller County, Colorado I n terms of sheer volume...Kalgoorlie, Western Australia, and Cripple Creek, Colorado. Although on opposite sides of the globe, they...they have striking similarities in their mining history and mineralogy, but their geology is seemingly quite...ROCKS & MINERALS the Golden Circle mine at Sorrento and the Cline mine at Hancock, Maine, and from a vaguely...vaguely described locality near Monroe, Fairfield County, Connecticut. A compilation of telluride mineral |  | | Report (issue) | | decide whether a certain metalliferous deposit or district should be included or not. The problem was also...other forms) since 1935 is reviewed. New sulfur mining and recovery projects in the United States and...chemical properties of sulfur, the geology and mining operations of the salt-dome sulfur deposits, the...sulfur by superheated water through wells at Sulphur mine, Louisiana, are fully detailed. Exploration and...Swager, W. L. , and Sullivan, J. D. , 1951, Sulphur: Mining Engineering, vol. 3. , pp. 403409. The history |  | | Report (issue) | | GEOLOGICAL SURVEY Locatable Mineral Reports for Colorado, South Dakota, and Wyoming provided to the U.S.............................................. 1 COLORADO ................................................Offer ..................................... 3 Gunnison National Forest Crested Butte Mountain Resort........ . . ............ 10 Pike National Forest County of El Paso (Black Forest) Land Exchange Offer ...Land Exchange Offer ......... 131 Roosevelt and Gunnison National Forests Mary Ross Quaintance Estate/Bear |  | | Report (volume) | | Mountains Wilderness Study Area, San Bernardino County, California U.S. GEOLOGICAL SURVEY BULLETIN 1712-D...Mountains Wilderness Study Area, San Bernardino County, California By RICHARD J. GOLDFARB, DAVID M. MILLER...Mountains Wilderness Study Area, San Bernardino County, California. U.S. Geological Survey Bulletin 1712-D...California Desert Conservation Area, San Bernardino County, California. CONTENTS Summary Dl Abstract 1...Acknowledgments 5 Appraisal of identified resources 5 Mining and exploration history 5 Mines, prospects, claims |  | | Journal (article/letter/editorial) | | Menominee iron ranges, which were the impetus for mining and the resultant population growth in the area...Gogebic iron range, home of the well-known Montreal mine in Wisconsin. (My collecting experience has not...the town of Negaunee, and the first mine to open was the Jackson mine in 1845 (Boyum 1983).At that time...of the story, as they say, is history. Marquette County alone would eventually have 247 iron mines (Mulligan...labeling, however, was not the rule during much of the mining era here. Most specimens recovered in the early |  | 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). |  | | 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...and fluorite. At the Ute-Ulay mine, the largest producerof the district, titis assemblagehas been divided...massiverhodochrosite'and Id, late quartz-carbonate-fluorite.On a district-wide scale,the quartz-basemetal assemblage showsa...the Ute-Hidden Treasure vein systemat the Ute-Ulay mine, from quartzand sulfidesat the southwest end nearestthe |  | | Journal (issue) | | into a later newsletter. Mineral of the month: Sphalerite ............. p. 2 Club auction program details...jump rings ............... p. 7 Field trip report: Vulcan quarry ................ p. 8 Humor: So you wanna.... p. 19 Mineral of the Month Sphalerite by Sue Marcus Sphalerite (zinc sulfide, or ZnS) is relatively...there are few chemical complications. Admittedly, sphalerite does have several varieties: Marmatite is the...from mineral dealers and other collectors. Also, sphalerite is most commonly brown or cinnamon-colored, so |  | | Journal (article/letter/editorial) | | the tellurides are unusually interesting to the mining geologist and the prospector, as compounds of gold...Kalgoorlie (Western Australia), Cripple Creek (Colorado), and Kirkland Lake (Ontario), and all of these...severalspectacularspecimensof ore from the Robb-Montbray Mine, Montbray Township, Quebec; to Dr. M. H. Frohberg...Hopkins for specimens from the Wright-Hargreaves Mine, Kirkland Lake, Ontario; to Dr. E. P. Henderson...specimen of hessite and petzite; to the several mining companies in Ontario and Quebec for supplying specimensof |  | | Report (issue) | | tellurium-bearing precious metal veins. Mineral Group: Sphalerite group. Association: Altaite, calaverite, krennerite...chalcopyrite, sphalerite, galena, pyrrhotite, tetrahedrite–tennantite. Distribution: In the USA, in Colorado, at...at the Good Hope mine, Vulcan, Gunnison Co.; in the La Plata district, La Plata Co.; and at the Keystone...the Cresson mine, Cripple Creek district, Teller Co.; in California, at the Norwegian mine, near Tuttletown...Jamestown mine, Tuolumne Co.; in Nevada, at the Twin Creeks and Getchell mines, Potosi district, Humboldt |  | | Book | | T. J. Bornhorst, P. Brandes, R. Clark (Cliffs Mining Services Co.), B. C. Cornilsen, R. V. Dietrich...helpful suggestions throughout the project; to Ashton Mining of Canada, Inc. and Crystal Exploration, Inc.,...APPENDIX I: MICHIGAN MUSEUMS AND EXHIBITS FEATURING MINING, MINERALS, ROCKS, AND FOSSILS .......................243 APPENDIX II: MINERAL SPECIES LISTED BY COUNTY ...............................248 ABOUT THE AUTHORS...Oronto Group a.. 3: co w C: _J 0 0 Marquette Iron District, Baraga and Marquette Counties diabase dikes |  | | Journal (issue) | | MINERAL GARDEN 1. Black and Gray Limestone Augusta County Donated By: Rockydale Quarries Corporation, Staunton...Biotite-Quartz-Feldspar Gneiss Chesterfield County Donated By: Vulcan Materials Company, Dale Quarry Isoclinally...Ma). 3. Biotite - Feldspar Granofels Albemarle County Donated By: Martin Marietta Aggregates, Red Hill...Proterozoic (900 – 1600 Ma). 4. Ribbon Limestone Wythe County Donated By: Austinville Limestone Company, Inc...Hydrothermally-altered Diorite (Furtharwite) Culpeper County Donated By: Cedar Mountain Stone Corporation, Mitchells |
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