 | | Report (issue) |
| Deposits of the. South Silverton Mining Area, San Juan County, Colorado GEOLOGICAL SURVEY PROFESSIONAL...Prepared in cooperation with the Colorado Metal Mining Fund and the Colorado Geological Survey Board QE 75...378-A 1963 Lii Buresietidt latitioq Denver, Colorado c-1 cE U. S. Geological Survey. 75u Professional...Silverton Mining Area, San Juan County, Colorado By DAVID J. VARNES SOUTH SILVERTON MINING AREA, SAN JUAN...JUAN COUNTY, COLORADO GEOLOGICAL SURVEY PROFESSIONAL PAPER 378-A Prepared in cooperation with the Colorado |
 | | 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 |
 | | Journal (article/letter/editorial) |
| a floater specimen, Cross vein, Idarado mine, Ouray and San Miguel countries. Figure 2 (right). Cluster...Fremont County. C-O-L-O-R-A-O-O CALCITE BARBARA L. MUNTYAN Ouray County Museum Ouray, Colorado 81427...Tennessee; the Viburnum Trend district, southeastern Missouri; the Tri-State district (Missouri-Kansas-Oklahoma);...Russia. Calcite also occurs at many localities in Colorado. Further, the state is the source of calcite as...marble (from the Yule quarry at Marble in Gunnison County) that has been used for many of the great monuments |
 | | 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 |
 | | 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....-....--. ...... ........Silver Lake mine..... . -.-.-..--....-.---..-.-. ....................... 145 145 145 149 Iowa mine ..... |
 | | Report (issue) |
| Howardsville 7.5-minute quadrangle, San Juan and Hinsdale Counties, Colorado by Robert G. Luedke 1 and Wilbur...quadrangles studies in the western San Juan Mountains of southwestern Colorado ......................... Aeromagnetic...Aeromagnetic map of part of the western San Juan Mountains region showing location of the Howardsville...quadrangle, located in the western San Juan Mountains of southwestern Colorado (fig. 1), includes almost 59...altitudes ranging from about 9,500 ft (2895 m) in the Animas River valley at the west edge of the map to 13 |
 | | Other Paper |
| 1129690-R8SDMS RECLAMATION FEASIBILITY REPORT ANIMAS RIVER ABOVE EUREKA E^«^.|3lt- f 4 ^ JIM HERRON...HERRON, BRUCE STOVER AND PAUL KRABACHER COLORADO DIVISION OF MINERALS AND GEOLOGY OCTOBER, 1999 1129690-R8SDMS...FEASIBILITY REPORT ANIMAS RIVER ABOVE EUREKA JIM HERRON, BRUCE STOVER AND PAUL KRABACHER COLORADO DIVISION OF...OF MINERALS AND GEOLOGY OCTOBER, 1999 Upper Animas River Reclamation Feasibility Report TABLE OF CONTENTS...Sampling Mine Waste Sampling Watershed Chemistry Upper Animas In-stream Aluminum Upper Animas In-stream |
 | | 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 |
 | | 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...349 by J. A. Murphy Amazonite from the Pikes Peak batholith ............................373 by E. E |
 | | Report (volume) |
| infrared Landsat multispectral scanner image of the San Juan National Forest and vicinity in early October...iron oxides; blue represents rock and soil with little or no iron-oxide content; and white represents...altitude of 705 km. Approximate boundary of the San Juan National Forest is shown by white line. Mineral...Resource Potential and Geology of the San Juan National Forest, Colorado Edited by Richard E. Van Loenen and...resource potential and geology of the San Juan National Forest, Colorado I edited by Richard E. Van Loenen |
 | | 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 |
| 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) |
| R. Kampf Natural History Museum of Los Angeles County Arthur Roe Tucson, AZ Abraham Rosenzweig University...Volume Fourteen, Number Three Articles Across the San Juan Mountains ........................................157 by C. Albertini Sellaite from the Brumado mine ..................................................ineralogical Research Co., 704 Charcot Avenue, San Jose, CA 95131. Affiliated with the Friends of Mineralogy...Iron and Washington Counties) and Arizona (Mojave County). This region is one of the last American frontiers |
 | | 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...William H. Storms, San Francisco. Prof. A. F. Rogers, Stanford University, Palo Alto. Colorado.........Prof...See Bauxite and Hallpysite. Asbestos. Tallapoosa County, with corundum deposits near Dudleyville; not found |
 | | Journal (article/letter/editorial) |
| COLORADO oDenver Ouray •a IM The Grizzly Bear Mine Ouray County, Colorado Grizzly Bear Mine Figure...Figure 1: Grizzly Bear mine in Bear Creek Canyon, circa 1900; courtesy Ouray County Historical Society....the San Juan Mountains to produce rhodochrosite crystals. In 1981, deeper exploration of the mine pro...minerals. TOM R O S E M E Y E R P.O. BOX 586 Ouray, Colorado 81427 pected tracery of line wound in and out...of the Silverton quadrangle, briefly mentions the mine and the occurrence of rhodochrosite crystals. It |
 | | Journal (issue) |
| Marvin Hanner Additions to the Ore Mineralogy of Colorado.................................................by Donald Grybeck Crystallized Minerals of the Colorado Mineral Belt....................................the right to mine diopside was obtained that year by G eorge L. English. However, little work was done...thereafter. In 1971 both the land and the right to mine diopside were purchased by the present owners, Schuyler...Alveum, R obert Dow, and G eorge Robinson. T he mine is now being worked interm ittently each year for |
 | | 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 |
 | | Report (volume) |
| Mineral Resources of the San Juan Primitive Area, Colorado By T. A. STEVEN and L. J. SCHMITT, JR., U...mineral survey of the San Juan and the Upper Rio Grande primitive areas, Colorado. The area discussed in...wilderness status. It is not identical with the San Juan and the Upper Rio Grande Primitive Areas as defined...was studied is referred to in this report as the San Juan primitive area. This bulletin is one of a series...__________________________________ Uranium deposits west of the Animas River._____________ Runlett Park-Cave Basin area |
 | | Report (volume) |
| GEORGE OTIS SMITH, DIRECTOR BULLETIN 594 SOME MINING DISTRICTS IN NORTHEASTERN CALIFORNIA AND NORTHWESTERN...GEORGE OTIS SMITH, DIRECTOR BULLETIN 594 SOME MINING DISTRICTS IN NORTHEASTERN CALIFORNIA AND NORTHWESTERN...of the ore deposits 2 27 30 Mining districts 2 Hayden Hill, Lassen County, Cal 2 30 30 Location and accessibility...filling 3 42 CONTENTS. Mining districts—Continued. Hayden Hill, Lassen County, Cal.—Continued. Ore deposits—Continued...shoots Milling High Grade district, Modoc County, Cal Location History of mining Accessibilty Previous descriptions |
 | | Journal (article/letter/editorial) |
| MUNTYAN 536 Third Avenue P.O. Box 495 Ouray, Colorado 81427 All photographs by John R. Muntyan of specimens...B ~i~~~~ 1. Mine along West willow Creek, near Creede and across from the Bachelor mine. Photo by author...the Rock Candy mine in British Columbia, Canada; and in the United States in Hardin County, Illinois, among...localities. Barite also occurs in many localities in Colorado, where it often forms attractive, wellcrystallized...wellcrystallized crystal groups. Colors reported for Colorado barite range from sky-blue to snowwhite to golden |
 | | Journal (issue) |
| - - - - - - - - - - - Mineral Collections 1n Colorado A Supplement to The Mineralogical Record November-December..."Smithsonian packet," Smoky Hawk claim, Florissant, Colorado. Collected in 2008; Dorris Family collection;...certificates for mines in the Cripple Creek District, Colorado, in 1898 and 1901. Sponsorship: This special...Collecting in Colorado The Collections: Mel & Pam Bersch Ryan Bowling Ralph Clark Colorado School of Mines...Kile Brian Kosnar Bryan & Kathryn Lees Ian Merkel Mining Hall of Farne, Steve Whittington curator Nick North |
 | | Journal (article/letter/editorial) |
| Geology, and Mineralogy of the San Juan County, Colorado rooklyn mine, located at an elevation of 11...456 feet at the head of Browns Gulch. San Juan County, Colorado. has been operated sporadically during...and rhodochrosite were recovered from the mine. Continued mining in 1980 produced an array of exotic minerals...is under lease to a mining consulting firm. and plans are under way to resume mining operations this summer...summer. History Placer gold was discovered in the San Juan Mountains by the ill-fated Baker party in 1860 |
 | | Report (issue) |
| Smith. Director Professional Paper 138 MINING IN COLORADO A HISTORY OF DISCOVERY, DEVELOPMENT AND PRODUCTJON...location, area, and organization of the mining counties of Colorado _________________________ _ Adams County_-..._____________________ _ Alamosa County __________________________ _ Arapahoe County _________________________...Archuleta County _________________________ _ Baca CountY-----------------------------Boulder CountY------...CountY----------------------~----Chaffee County _____________________·______ _ Clear Creek County _______________________ |
 | | Journal (article/letter/editorial) |
| specimens, are either inaccessible or are in closed mining districts, or are closed for political reasons...City-D~Lamar Mining Dlstricts / J\. I,' -r-, - L..... ~ rl.. kl \ , 50 I 100 I Miles old mining and...for about fifty years, this area was popular for little more than a decade, providing the collector with...scientific significance. In this index, the better known mining districts that have produced many high-quality...lowercase letters. For those localities about which little is known or where none of the minerals are particularly |
 | | 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...On a spectacular find of crocoite in the Adelaide mine, Dundas, Tasmania (by A. H. Chapman) 3:111-113 ADOLFSSON...Iaria from the Howard-Montgomery quarry, Howard County, Maryland (by J. S. White) 25:53-54 AFGHANISTAN |
