 | | Report (issue) | | PALEOZOIC ROCKS BENEATH THE IDARADO MINE, NORTHWEST SAN JUAN MOUNTAINS, COLORADO by James N. Mayor1 and...Paleozoic rocks for mineralization beneath the Idarado Mine. The holes are sited along the highly productive...intersection, economic mineralization at the Idarado mine essentially bottoms at the Tertiary unconformity...Calcareous rocks of the Hermosa, Molas, Leadville, Ouray and Elbert formations were metasomatized. Relatively...through the Idarado property that is situated along its northwest edge (Figure 1). At the Idarado mine, normal |  | | Journal (article/letter/editorial) | | Through the 'Scope 1 OURAY Eldorado mine IfXCamp Bird mine TEIXURTOE 'TMdarado mine q Eureka Red Mountain...TOM ROSEMEYER 1632 Camp Bird Mine Road P . O . Box 586 Ouray, Colorado 81427 Tom Rosemeyer is the owner...Explora tion and has mined and collected minerals in Colorado for the past twenty years. Microminerals of the...the San Juan Mountains, Southwestern Colorado WELCOME TO -THROUGH THE 'SCOPE," a column devoted to news...mining in the San Juan Mountains of southwestern Colorado for Ihe past twenty years. Dur ing this time |  | Lipman, P. W., Fisher, F. S., Mehnert, H. H., Naeser, C. W., Luedke, R. G., Steven, T. A. (1976) Multiple ages of mid-Tertiary mineralization and alteration in the western San Juan Mountains, Colorado. Economic Geology, 71 (3) 571-588 doi:10.2113/gsecongeo.71.3.571 | Journal (article/letter/editorial) | | nandAlteration in the WesternSanJuanMountains,Colorado PETERW. LIPMAN, FREDERICKS. FISHER, HARALDH. ][VIEHNERT...Needle ß Lo Plato Mrs ß ¸Durango • >• • ß COLORADO 37 ø NEW MEXICO 0 0 /I 25 25 50 MILES 50...Engineer '.'Red Mountoln ",",//• • \\ II // mine p¾ ¸ IO 20 KILOMETRES FIC.:2. Generalized...ore Camp Birdveinore Camp Bird replacement ore Idarado replacement ore IDA-136 Crosscutting rhyolite...analytical precision, Discordant zircon (No. 1) and sericite (No. 6) are excluded from averaged preferred ages |  | | 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...Martin Mineral collecting at the Sunnyside & Idarado m in e s ..................................... |  | | 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) | | Geology Vol. 72, 1977, pp. 1285-1320 Sunnyside Mine,EurekaMiningDistrict,SanJuanCounty, Colorado'Geochemistry...Sunnysidemine, in the Eureka mining district, San Juan County, Colorado, produces700 tons/day of gold-silver-copp...geologicaland •09 o MONTROSE iO =1 'IsUN NYs IDE MINE __ <[I •-•:1 Ii iI •I -- •' • •U•AN•O COLa...southwesternColorado showing location of the Sunnyside mine and calderas of the San Juan volcanicfield. (Modified...Sunnysidemine, Eureka mining district, San Juan County, Colorado (Fig. 1). The rediscoveryin 1971 of Sunnyside |  | | Journal (article/letter/editorial) | | andReplacement Deposits,Northwestern SanJuanMountains,Colorado J. THOMASNASH Abstract Base and preciousmetal...(Mayor and Fisher, 1972). The Colorado (Fig. 1). The greatestproductionhas Idarado and Camp Bird mines (Fig...Productionfrom theseveins Most samples are from the Idarado mine and were exceeds$300 million (Burbankand Luedke...detailedstudiesunder1448 FLUID INCLUSION way by the Idarado Mining Companyand Frederick S. Fisher, U.S. GeologicalSurvey...andcanyon about2,200 feet (670 m) thick in the mine area and cutting." dipsabout5øE. Lava flows,breccias |  | | 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 (article/letter/editorial) | | Metals Mine ,; Pilot Mine , ; ,-e Grizzly Bear Mine ~ Silver Link Mine ~ Mountain Monarch Mine o TOM...Bird Mine Road P.O. Box 586 Ouray, Colorado 81421 Telluride ~ Oyama Mine ,-e Titusville Mine Downloaded...Mineralogy of the San Juan Mountains o , Southwestern Colorado Unless otherwise noted, mineral photography by..."Microminerals of the San Juan Mountains, Southwestern Colorado" (Rosemeyer 1989) was the topic of the first Through...discoveries. Pilot Mine Yankee Boy Basin is located approximately 8 miles southwest of Ouray and in the 18705 |  | | Journal (article/letter/editorial) | | Geologyand geophysics MINERALOGY OF THE IDARADO Introduction MINE, ALTERED SAN SILVERTON JUAN FORMATION...FORMATION DISTRICT, AT THE COLORADO Mayor and Fisher (1972). Burbank (1950) discussed in detail the...greenish-graytuff breccia of the altered wall rock of the Idarado mine. Emcomposed of fragmentsof andesite,dacite,rhyodacite...thick at the Idarado nearbyveins. The geologyof the Silverton district in which the mine, showsextens...Intrusive rocksof both early and middle Tertiary Idarado mine is locatedhas been discussedby many writers |  | | Journal (article/letter/editorial) | | estimating premining water quality: Red Mountain Creek, Colorado Robert L. Runkel a c a,* , Briant A. Kimball...CO 80225, USA b US Geological Survey, 2329 W Orton Circle, West Valley, UT 84119-2047, USA US Geological...Stop 673, Denver Federal Center, Denver, CO 80225, USA Received 26 June 2006; accepted 20 March 2007 Editorial...demonstrated using data from Red Mountain Creek, Colorado, a small stream draining a heavily-mined watershed...Geochemistry 22 (2007) 1899–1918 adits, shafts, mine dumps and tailing impoundments. Although these artefacts |  | | Report (volume) | | Handles Peak Wilderness Study Areas, Hinsdale County, Colorado U.S. GEOLOGICAL SURVEY BULLETIN 1715-B /fj&:~~:£2...Handles Peak Wilderness Study Areas, Hinsdale County, Colorado By RICHARD F. SANFORD, RICHARD I. CRAUCH,...RESOURCES OF WILDERNESS STUDY AREASSOUTHWESTERN COLORADO DEPARTMENT OF THE INTERIOR DONALD PAUL MODEL...Hinsdale County, Colorado. (Mineral resources of wilderness study areas southwestern Colorado ; ch. B)...mineral resources Colorado Redcloud Peak Wilderness. 2. Mines and mineral resources Colorado Handies Peak |  | | Report (issue) | | Wilderness Study Area, western San Juan Mountains, Colorado* by Ken Hon, Dana J. Bove, and V. J. S. Grauch...S. Geological Survey, Federal Center, Denver, Colorado, 80225 STUDIES RELATED TO WILDERNESS Bureau...Wilderness Study Area (CO-030-217), Ouray and Hinsdale Counties, Colorado. SUMMARY The western San Juan...volcanic field that covered much of south-central Colorado during Oligocene and Miocene time. The earliest...Juan Mountains between the towns of Ouray and Lake City, Colorado (fig. 1). The study area is adjacent |  | | 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................................Characteristics of Ouray Minerals................ Mineral Collecting Sites at Ouray.................. |  | | Journal (article/letter/editorial) | | BIRD MINE Ouray County, Colorado TOM R O S E M E Y E R 1632 Camp Bird Mine Road P.O. Box 586 Ouray, Colorado...circa 1900. Photo courtesy Colorado Historical Society. The Camp Bird mine is one of Colorado's most...the world's greatest gold producers. To date, the mine has produced almost 1.5 million ounces of gold along...R D M I N E , located 6 miles southwest of Ouray, Colorado, is situated in the rugged and beautiful San...San Juan Mountains of southwestern Colorado. The area is referred to as the Switzerland of America and |  | | Journal (article/letter/editorial) | | SUNNYSIDE MINE EUREKA MINING DISTRICT SAN JUAN COUNTY, COLORADO TOM ROSEMEYER Box 586 Ouray, Colorado 81427...81427 The Sunnyside mine is Colorado's largest underground gold producer and to date has produced over $150...the rugged San Juan Mountains of southwestern Colorado. Nestled in a beautiful alpine mountain valley...valley at an elevation of 12,240 feet, the mine was originally located on the shores of the now-drained Lake...height of mining activity, the sprawling Sunnyside mine complex was a self-contained community with offices |  | | 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 the...galena. and rhodochrosite were recovered from the mine. Continued mining in 1980 produced an array of exotic... discovered in 187 1 and named the Little Giant mine. was situated northeast of Arrastra Creek Gulch...negotiations continued throughout the summer between Chief Ouray and Felix Brunot. and on 13 September 1873 the Brunot |  | | Report (issue) | | ages of volcanic units in the San Juan Mountains, Colorado: Recalculated K-Ar age determinations using...S. Geological Survey, Federal Center, Denver, Colorado 80225 CONTENTS Page Abstract................volcanic stratigraphy of the San Juan Mountains, Colorado.................................3 Table 2.--Recalculated...Tertiary volcanic units of the San Juan Mountains, Colorado..............................4 Appendices Appendix...TERTIARY VOLCANIC STRATIGRAPHY OF SAN JUAN MOUNTAINS, COLORADO (Recalculated ages listed first; old ages listed |  | | Report (issue) | | Bldg., 2600 corridor, 18th and CSts.,NW. DENVER, Colorado-Federal Bldg., Rm. 169,1961 Stout St. LOS ANGELES...ROLLA, Missouri-1400 Independence Rd. DENVER, Colorado-Map Distribution, Bldg. 810, Federal Center FAIRBANKS...Juan Mountains, Colorado By FREDERICKS. FISHER Gold in the Alma Mining District, Colorado By DANIEL R....Precious Metals in the Leadville Mining District, Colorado By TOMMY B. THOMPSON Part I is Chapter C U.S...Juan Mountains, Colorado/ by Frederick S. Fisher. Gold in the Alma Mining District, Colorado / by Daniel |  | | Journal (article/letter/editorial) | | StonyMountain Complex,WesternSan Juan Mountains, Colorado* RICHARDW. FORESTER ANDHUSH P. TAYLOR,JR. Abstract...isotopestudy has recently been made of the Sunnyside mine, an important meteoric-hydrothermalore depositlocatedwithin...complex is essentiallybarren. Thus a Mountains, Colorado, andTaylor (1974b)hasshown comparisoncan be made...quartz, and apatite. Common alteration products are sericite, chlorite, calcite,epidote,and magnetite. A mineralizedbreccia...biotite-hypersthenegabbro,usuallycontainingonly a few percent of sericite, chlorite, and uralite. The northern half of |  | | 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 |  | | Report (volume) | | Potential and Geology of the San Juan National Forest, Colorado Edited by Richard E. Van Loenen and Anthony B...potential and geology of the San Juan National Forest, Colorado I edited by Richard E. Van Loenen and Anthony...: I 19.3.2127 1. Mines and mineral resources--Colorado-San Juan National Forest. I. Van Loenen, Richard...of the San Juan National Forest and vicinity, Colorado Map showing geology and areas favorable for locatable...locatable minerals in the San Juan National Forest, Colorado Map showing geology and areas favorable for leasable |  | | Journal (article/letter/editorial) | | Lake City District, Western San Juan Mountains,Colorado John,• F. SL^CK U.S. Geological Survey, Federal...City district, in the western San Juan Mountains, Colorado,have producedapproximately$12 million in Ag, Au...Wall-rock alterationcharacteristicallyis quartz-sericite-pyrite,grading laterally outward into rocks affectedby...tracesof pyroxmangite,calcite,sericite,and fluorite. At the Ute-Ulay mine, the largest producerof the district...the Ute-Hidden Treasure vein systemat the Ute-Ulay mine, from quartzand sulfidesat the southwest end nearestthe |  | | Journal (issue) | | Marvin Hanner Additions to the Ore Mineralogy of Colorado.................................................by Donald Grybeck Crystallized Minerals of the Colorado Mineral Belt....................................had achieved considerable fame, and the right to mine diopside was obtained that year by G eorge L. English...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 |  | 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). |
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