 | | Report (issue) | | SILVER ENRICHMENT IN THE SAN JUAN MOUNTAINS, COLORADO. By EDSON S. BASTIN. INTRODUCTION. The following...through duties incident to the war. In the work near Ouray the writer was accompanied by Chase Palmer, chemist...writer is indebted to Mr. William Kathmell, of Ouray, for many excellent specimens of rich silver ores;...Fred Carroll, of the Atlas mine, Ouray; Mr. F. G. Farish, of the Humboldt mine, ^iear Telluride; Mr. L....S. Holland, then in charge of the Smuggler-Union mine, at Telluride, and many others for valuable aid |  | | Report (volume) | | ...................... (B) Colemanite in Clark County, Nev., by L.F. Noble (published Feb. 23,1922) (C)...1922)............... (H) Peridotite dikes in Scott County, Ark., by H. D. Miser and C. S. Ross (published.......... (I) Diamond-bearing peridotite in Pike County, Ark., by H. D. Miser and C. S. Ross (published........... (J) The Los Burros district, Monterey County, Calif., by J. M. Hill (published April 28, 1923)...limestone member of Horse Spring formation in Clark County, Nev.: A, Near Horse Spring; B, Near Bitter Spring |  | | Journal (article/letter/editorial) | | by [Gazi University] at 01:28 05 January 2015 Colorado Mineral Treasures from The Field Museum Chicago...article highlights some of the more interesting Colorado specimens there, along with historical background...Industries and Manufactures, and products of the soil, mine, and sea.” In 1893, Chicago had a population of...structures on the grounds included the State of Colorado Building. Many items appeared at the exposition...Vendl are geologists who collect Colorado minerals and study Colorado mining history. Located in the Chicago |  | | Report (volume) | | REPORT ECONOMIC GEOLOGT 7 SILVERTON QUADRANGLE, COLORADO FREDERICK RANSOME WASHINGTON GOVERNMENT PRINTING...Silver Lake mine..... . -.-.-..--....-.---..-.-. ....................... 145 145 145 149 Iowa mine ........Royal Tiger mine......................... 159 ......--.....-....-.-....-. Buckeye mine ...............-- ......................... 160 Titusville. mine ... .........--.--..-.---...-..-............................-.-...--......-..........-.,.:. Aspen mine ..... ... .....,.-...--....----.-.--..---.-.... |  | | Journal (article/letter/editorial) | | ORE DEPOSITION' SOUTH OF OURAY, COLORADO. PART ROBERT TABLE I. S. MOEHLMAN. OF CONTENTS. Abstract...including hematite, pyrite, arsenopyrite, and sphalerite. Then, the bulk of the quartz was deposited,...detailed geologic maps for a mining companynear Ouray and devotedthe subsequent winter to a laboratory...requirements for a Ph.D, ORE DEPOSITION SOUTH OF OURAY, COLORADO. 379 degreeat Harvard University. During...the southwestern cornerof Colorado (Fig. I). The three mining townsof Ouray, Telluride, and Silverton |  | | Journal (article/letter/editorial) | | ORE DEPOSITION SOUTH PART ROBERT OF OURAY, COLORADO. II. S. MOEHLMAN. CONTENTS--COntinued. Critical...Treasury Tunnel ............................... Yankee Girl chimney ore ...................................mineralizing solutions 488 ORE DEPOSITION SOUTH OF OURAY, COLORADO. 489 was concentratedat the time of depositionof...Thesemineralsof low crystallizingpowerare: galena, sphalerite,tennantite,and gold. 3-Since replacementis selective... OF OUR..'tY, COLORADO. 491 time of deposition. For instance, pyrite and sphalerite are early minerals |  | | 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) | | 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...and Karen A. Vendl L ocated in southwestern Colorado and covering over 31,000 square kilometers, the...during the eighteenth century, were the first to mine in the San Juans. One of the earliest recorded expeditions... Above: August sunrise on middle Blue Lake, Ouray County Photo Jack Brauer/WideRange Photo LLC, 2010 |  | | 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....with another 50 million pounds mined in San Juan County (Henderson 1926). During the twentieth century...mined (Beaty, Landis, and Thompson 1990). Total Colorado production prior to 1958 reached 585 million pounds |  | | 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......................................... Upper Uncompahgre district, Ouray County....................... General geology..... |  | | Book (edition) | | Tourist as well. All of the 19 Rock Forma tions at Ouray, dating from the Pre-Cambrian to the Cenozoic Eras...1S80 relating to the growing Mining Industry at Ouray is printed in its entirety. Many historic photographs...Survey, Tom Rosemeyer, Chief Engineer, Camp Bird Mine and Miss Margaret B. Allen, M.A. of Orange, New...Introduction to Mineral Collecting at Ouray................ The Minerals at Ouray............................................................................ Sphalerite............................................. |  | | Journal (issue) | | Colorado Springs Mineralogical Society Founded in 1936 Lazard Cahn Honorary President “Pick & Pack” Vol...Article - M. Nelson, Grand Canyon Mining: Orphan Mine and Halotrichite 16 Presidential Matters 20 ...[Zn3(AsO4)2 · 8H2O]. The specimen came from the Ojuela Mine, Mapimí, Mapimí Municipality, Durango, Mexico. ...csrocksguy@yahoo.com COLORADO SPRINGS MINERALOGICAL SOCIETY PO BOX 2 COLORADO SPRINGS, COLORADO 80901-0002 February...Monthly lecture (via Webex) hosted by Friends of the Colorado School of Mines Museum; all are welcome to attend |  | | Journal (article/letter/editorial) | | at 07:53 01 January 2015 Bournonite Yaogangxian Mine, Chenzhou, Hunan Province, China T here are certain...clearly the most prolific being the Yaogangxian mine, Hunan Province. (Additional locality information...and is often associated with pyrite, galena, sphalerite, chalcopyrite, stibnite, boulangerite, zinkenite...Hawk mine, Blue Hill, Maine; New York City, New York; an unspecified locality in Chester County, Pennsylvania;...Cofer deposit in the Mineral district of Louisa County, Virginia, where it occurs with tetrahedrite; and |  | | Journal (article/letter/editorial) | | crystals from the Champion lode, Clear Creek County, Colorado. Dave Bunk specimen, Jeff Scovil photo. Figure...tennantite crystals with quartz from the El Cobre mine, Concepción del Oro, Zacatecas, Mexico. Cal and...specimen from the Longfellow mine, Red Mountain Pass, Ouray County, Colorado. Dave Bunk specimen, Jeff Scovil...States will be examined first, with the state of Colorado a good starting point. The ore deposits of the...the Freeland lode near Idaho Springs, Clear Creek County. Here, tennantite crystals from 3 to 6 mm on edge |  | | Journal (article/letter/editorial) | | Mineralogy of Selected Occurrences in Central Colorado and the San Juans Downloaded by [University of...Inc. 1441 W. Forty-sixth Avenue Suite 14 Denver, Colorado 80211-2338 P art one of this article (July/August...218-239, 280) dealt with the discovery of gold in Colorado and the mining history and geology/mineralogy...and California Gulch. THE CENTRAL COLORADO MINERAL BELT LAKE COUNTY 3,396,000 ounces, 1860-1 990 (Davis...7 by 2.5 cm (8.5 ounces), Ground Hog mine, Gilman, Eagle County. Harvard Mineralogical Museum specimen |  | | 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...enter must be obtained to prevent trespass. Old mine workings are dangerous and entering underground |  | | Journal (issue) | | CA Articles Great pockets: the National Belle mine ..................................................T. Rosemeyer Phosphate minerals from the Tip Top mine, Black Hills, South D a k o ta ...................& W. L. Roberts The Stoneham barite locality, Colorado....................................................... 255 by N. L. Bennett The Buca della Vena mine, Tuscany, I ta ly ................................R. Kampf Natural History Museum of Los Angeles County George Robinson National Museums of Canada Arthur |  | | Journal (article/letter/editorial) | | the order, named: pyrite, arsenopyrite, galena, sphalerite, chalcopyrite, bismuth minerals, pyrrhotite,...gold were associated in the EnterprjseMine, Rico, Colorado,but no detailsof the occurrencewere given. Bastin4...JamesA. Noblefor the resultsof yearsof work in the mine and laboratory. Noble'sresultsin generalagree with...in magnetite. In someof the outlyingparts of the mine there is no closerelationbetweengold and arsenopyrite...a studyof assaysof ore from theGeorgeGold-Copper Mine of Stewart,BritishColumbia, showsthat gold is associated |  | | 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 |  | | Journal (article/letter/editorial) | | ............................................ Sphalerite................................................the town of Wallace on the east and the Crescent Mine on the west (Figs. 1 and' 2). Clark (4) wrote...value outsideof silver." He did point out that the Yankee Group (now the Sunshine) was richer in silver..../ F•g. 3. Crosssectionthrough the Silver Summit mine. Areas of chlorite occur in and near ore on the...contact.It was sampledat intervals from the Sunshine mine eastward into Montana. The chlorite zone was most |  | | Book (edition) | | mmed at Broken Arrow aud Trout creek, in Sc. Clair county. The strata in this field are more faulted und...prong of Canoe creek, in St. Clair county, to Ha\sop creek, in Bibb county, a distance of 60 miles. Down to...to Helena, in Shelby county, the field has an average width of 5 or 6 miles. Below that point the width...miles being in the latitud" of Blocton, in Bibb county. The south ern end of this field has a greater...Jefferson county; Helena, Montevallo, and Brierfield, Shelby county; and at Blocion. Bibb county. The Warrior |  | | Journal (article/letter/editorial) | | Inc. 1441 West 46th Avenue, Suite 14 Denver, Colorado 80211 eraines@ Icolorado.net The Great Irony...house. Photo hy Uycrs, CB.1904. courtcs\ Ouraj County Historical Society. Volume 75, November/December...preached what amounted to Ed Raines, who researches Colorado ‘s geology, mineralogy, and mining history, is...convention. Colorado’s silver interestsdomposed of mine, milling, and smelter entrepreneurs; managers, professionals...Fourth of July speaking engagement at Telluride. Colorado (Fetter and Fetter 1979). Although a July Fourth |  | | Journal (issue) | | R. Kampf Natural History Museum of Los Angeles County Arthur Roe Tucson, AZ Abraham Rosenzweig University.....157 by C. Albertini Sellaite from the Brumado mine ..................................................Iron and Washington Counties) and Arizona (Mojave County). This region is one of the last American frontiers...by Richard A. Kosnar Route 6, Box 263 Golden, Colorado 80401 n 1 9 0 2 , the well-known mining engineer...districts of the San Juan, in southwestern Colorado. We left Ouray early on the 5th of September, 1902, with |  | | Journal (article/letter/editorial) | | to Star Mine near Kimberley, the Society Girl Mine near Moyie, and the Ymir and Yankee Girl Mines near...Star Mine, eleven from the Society Girl Mine, one from the Ymir Mine, and six from the Yankee Girl Mine...cerussite in these localities include galena,sphalerite,chalcopyrite, malachite, pyromorphite, garnet...idcalizetlcompositc of thc ccrussitc crvstalsfrom thc North-Star Mine, Kinrbcrlcy,Ii. C. Frc. 2. Rt-.preslnts a more or...lessidcalizedccrussitecrystal typc from thc SocictyGirl Mine, Moyie, B. C. mm. all of while only, The forms |  | | Book | | .3 COLORADO. of COLORADO. J. S. l GEORGETOWN, COLO. GEORGETOWN COURIER PRINT. 1887. 3 Bancroft...From a mineralogical point of view the wealth of Colorado exceeds that of In the metallic minerals almost...to in the following pages Proceedings of the Colorado Scientific Society. Proceedings of the Academy...the U. S. Geological Survey. J. GEORGETOWN, COLORADO, January, 1887. S. RANDALL. : MINERALS...gravel of streams and in veins. The veins of Gilpin County are especially noteworthy for the amount of gold |
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