 | | Journal (article/letter/editorial) | | pohwatp@si.edu ENARGITE Longfellow Mine, Red Mountain District, San Juan County, Colorado Are all things beautiful...north orebody of the Longfellow mine, Red Mountain district, San Juan County, Colorado. Specimen is 2.5 cm...chalcopyrite, tetrahedrite, sphalerite, galena, pyrite, calcite, and quartz, to name but a few. It is also found...Figure 2. Enargite trilling from Butte, Silver Bow County, Montana. Twin is 5 mm across and is on the specimen...lustrous enargite crystals from Butte, Silver Bow County, Montana. The specimen is 5 cm across. William |  | | Journal (article/letter/editorial) | | 0.75 inch on edge, from the Henderson mine, Clear Creek County. Figure 2 (right). Green fluorite encrusted...Mountain Wilderness area near Columbine Lake, La Plata County; largest crystal measures 1.25 inches on edge;... FLUORITE BARBARA L. MUNTYAN Ouray County Museum Ouray, Colorado 81427 Mineral photographs by John R...locations in Mexico; in Elmwood, Smith County, Tennessee, and in Hardin County, Illinois, in the United States;...eastern Russia. It also occurs in many localities in Colorado, where it is found in colors ranging from pale |  | | Report (volume) | | BULLETIN 1364 )repared in cooperation with the Colorado tate Mining Industrial Development Board (rsenic...-----National Belle mine site (loc. 2) ______ _______________________ Lark mine site (loc. 3) ___ __...--------Longfellow and St. Paul mine sites (locs. 4 and 5) ______________ ___ Brooklyn mine site (loc... 4. 5. 6. 7. 8. 9. 10. 11. Index map of Colorado showing area of this report Map showing geochemical...showing sample localities at the National Belle mine site ____ __________ ---------------------------------Diagrammatic |  | | 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....district, 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) | | copper, lead, and zinc in acid-rock drainages of Colorado using natural clinoptilolite Preliminary Held...endorsement by the U.S. Government. 1Denver, Colorado CONTENTS Page Abstract ......................clinoptilolite-rich rock in selected acid-rock drainages in Colorado ................................................of zinc, copper, and lead in water at the toe of mine tailings draining into Chalk Creek, St. Elmo, Arkansas...to net gain of zinc, copper, and lead in the Longfellow and Koehler pond drain on the south side of Red |  | | Journal (article/letter/editorial) | | andReplacement Deposits,Northwestern SanJuanMountains,Colorado J. THOMASNASH Abstract Base and preciousmetal...glomerateamountto about$20 million and could be San Juan Mountains,betweenOuray and Silverton, much greater...greater (Mayor and Fisher, 1972). The Colorado (Fig. 1). The greatestproductionhas Idarado and Camp Bird...Productionfrom theseveins Most samples are from the Idarado mine and were exceeds$300 million (Burbankand Luedke...Precambrianto midTertiary are exposedin the northwesternSan Juan Mountains (Burbank and Luedke, 1968; Mayor and Fisher |  | | 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...mining engineer Thomas ''T.A." Rickard called the San Juans one of Colorado's four great mining regions |  | | 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) | | 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...10 cm tall, from the Yucca Hill claim, Park County, Colorado. Richard A. Kosnar specimen; photo by John |  | | Journal (article/letter/editorial) | | acanthite, sternbergite, enargite, bornite, covellite, calcite, dolomite, siderite, barite, fluorite, and quartz...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...tennantite specimen from the Longfellow mine, Red Mountain Pass, Ouray County, Colorado. Dave Bunk specimen,...States will be examined first, with the state of Colorado a good starting point. The ore deposits of the |  | | Journal (article/letter/editorial) | | National University] at 06:43 31 December 2014 mine in Colorado, and they found virtually the entire series...galena, sphalerite, pyrite, acanthite, bornite, calcite, dolomite, siderite, barite, fluorite, and quartz...tetrahedrite and pyrite specimen from the Anchor mine, Park City, Utah. The specimen was in the stock...present time are from the Sweet Home mine, near Alma, Park County, Colorado, where it occurs with rhodochrosite...1997). Other Colorado localities include the Silverton-Eureka district, San Juan County, where tetrahedrite |  | | Journal (issue) | | 85740 602-297-6709 Articles The Iron Cap mine, Graham County, A rizona..................................Ouray County, Colorado ............... 89 by B. & J. Muntyan Anatase on quartz from Ouray County, Colorado...Finds made in Arizona (the Iron Cap mine) and in Ouray County, Colorado, are described in three articles...huge i show organized by Herb Duke at the Pima County Fairgrounds. Following the advertising section...Show. Died, Frederic V. G. Bird, 78, in Ouray, Colorado. Fred was a skilled and enthusiastic field collector |  | | Report (issue) | | of the Silverton 7.5-minute quadrangle, San Juan County Colorado by Robert G. Luedke1 and Wilbur S. Burbank2...quadrangles studied in the western San Juan Mountains of southwestern Colorado ................................. 2. Aeromagnetic map of part of the western San Juan Mountains region showing location of the Silverton...quadrangle, located in the western San Juan Mountains of southwestern Colorado (fig. 1), includes almost 59...the quadrangle, became the county seat of San Juan County when the county was formed in 1876 (Henderson |  | | Report (issue) | | . . . . . . . . . . . . . . . . . . . . . 61 Longfellow limestones . . . . . . . . . . . . . . . . ..... . . . . . . . . . . . . . . . . . . . . 115 Calcite .................. ~ ..................... ~....... _............................... _. . . . Longfellow mine_ ..... _.. _......... _.... _... _____ ..._. _. ____ ... __ .... _... _. __ ... __ Detroit mine ........ ____ . ___ .. _.. _. _. __ ... __ .. ___... . . . . . . . . . . . . . . . . Manganese Blue mine. _____ . __ .. ________ . _______ . __ .. __ .. |  | | 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...galena. and rhodochrosite were recovered from the mine. Continued mining in 1980 produced an array of exotic...summer. History Placer gold was discovered in the San Juan Mountains by the ill-fated Baker party in 1860... discovered in 187 1 and named the Little Giant mine. was situated northeast of Arrastra Creek Gulch |  | | Journal (issue) | | ......... 15 W. E. Wilson The Piedmont mine, Yavapai County, Arizona ............................................. 29 B. L. Muntyan The San Manuel mine, Pinal County, Arizona .............................Alexander The Morenci and Metcalf mines, . Gila County, Arizona ........................................& W. E. Wilson Mineral collecting at the Magma mine, . . Superior, Arizona ..........................Presmyk & M. Hay Treasures of the Magma mine, Pinal County, Arizona ............................... |  | | Report (issue) | | provided, and must be wom at all times while inside the mine gate. - Please keep away from the bench faces. All...used for the mine tour. 11 :00 a.m. Stop 1: Morenci/Metcalf/Northwest Extension overview. Mine overlook (off...Mountain. Lunch at mine overlook. 12:15 p.m. Leave mine overlook area for Morenci mine gate. 12:30 p.m....side of Chase Creek. 1 :00 p.m. Stop 3. Morenci Mine. Medler Ridge area, near the interface between primary...Morenci pit for stop at the Metcalf mine. 2:00 p.m. Stop 4: Metcalf Mine. Leached capping, partial leaching |  | | Report (issue) | | (Eocene), Cathedral Bluffs area, northwestern Colorado, by J. R. Donnell and A. C. Austin . . . . . ...Clinoptilolite-bearing tuff beds in the Creede Formation, San Juan Mountains, Colo., T. A. Steven and R. E. Van Loenen... 89 98 Mineralogy Clay minerals, Longfellow mine, San Juan County, Colo., by R. G. Luedke and J. W....from hybrid granitoid rocks of the Mount Wheeler mine area, Nevada, by D. E. Lee, R. E. Mays, R. E. Van...gold deposits in the Teton National Forest, Teton County, Wyo., by L. A. Anderson •.•• • • · • • · Reset |  | | Report (volume) | | formations __ _ ____ Problems in correlating the San Manuel Formation and Whitetail Conglomerate _____...Metadiabase sills in Negaunee Iron-formation near National Mine, Mich., by George C. Simmons ___________________...Lake sill ______________________________ National Mine sill _____________________________ Ash-flow stratigraphy...and caldera structures in the San Juan volcanic field, southwestern Colorado, by T. A. Steven, P. W. Lipman...Pony Trail Group in the Cortez Mountains, Eureka County, Nev., by J. Fred Smith, Jr ________________________ |  | | 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) | | Marvin Hanner Additions to the Ore Mineralogy of Colorado.................................................by Donald Grybeck Crystallized Minerals of the Colorado Mineral Belt....................................he crys tals occur with trem olite, quartz and calcite in talc-filled pockets that have developed along...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 |  | | Journal (article/letter/editorial) | | 20513 pohwatp@si.edu FLUORITE Elmwood Mine, Carthage, Smith County, Tennessee R egular readers of this...private), the other two species being quartz and calcite. The reason that these species have such a wide...sphalerite, 8.8 cm high, from the Elmwood mine, Smith County, Tennessee. Note the gemmy corners of the...pieces are all from the fluorspar district, Hardin County, Illinois. Cincinnati Museum Center specimens,...these are highly desirable acquisitions. Quartz, calcite, dolomite, siderite, sphalerite, cerussite, pyrite |  | | Report (issue) | | Nevada; Creede, Colorado; Goldfield, Nevada; Guanajuato, Mexico; Lake City, Colorado; Julcani, Peru;...Red Moutain, Colorado; Round Mountain, Nevada; Sunnyside mine, Eureka district, Colorado; Summitvilie...Summitvilie, Colorado; and Tonopah, Nevada. No data were found for the Silver City - De Lamar, Idaho district. The...rhodocrosite and siderite (approximated by the calcite data of O'Neil et al., 1969); muscovite, chlorite...deposition in the Creede mining district, San Juan Mountains, Colorado: Part IV. Source of fluids from oxygen |  | | 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 (article/letter/editorial) | | MINERAL COLLECTING BY CAMPER IN COLORADO By LAWRENCE AND HARRIETTE SCHOPPEE 9 Greenbrier St., Springfield...investigating such a claim? We took our Camper to Colorado and now that state rivals Canada in our list of...campgrounds are available, and many new sites in Colorado are being opened every year. Our sleeping bags...described in Professor Richard M. Pearl's book, "Colorado Gem Trails and Mineral Guide." As in any other...before starting to collect in Colorado. Traveling from Massachusetts to Colorado is a trip in itself but don't |
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