 | | 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...tetrahedrite, sphalerite, galena, pyrite, calcite, and quartz, to name but a few. It is also found Figure 2...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) | | Henderson mine, Clear Creek County. Figure 2 (right). Green fluorite encrusted with quartz on a plate...plate of quartz, from a prospect in the Needle Mountain Wilderness area near Columbine Lake, La Plata County;... 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...than 2 wt %). Filling temperatures in postsulfide quartz and fluorite are as low as 153øC and salinitiesare... rangedin temperaturefrom 320ø to about 400øC. Quartz-bearingclastsin altered zonescontain secondaryhalitebearing...Silverton caldera. Filling temperaturesfor inclusionsin quartz, sphalerite, and barite of the main ore stageof...salinities range from 1.6 to 0.2 wt percent NaC1. Quartz in altered wall rocks and silicified cappingco |  | | 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...AMAZONITE with smoky quartz, 10 cm tall, from the Yucca Hill claim, Park County, Colorado. Richard A. Kosnar |  | | Journal (article/letter/editorial) | | 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. have found Arnold...Mountain Gem and Mineral Society, president of the Colorado Fed eration of Gem and Mineral Societies, and...Strickland quarry, Gillette quarry, the Ruggles mine, and the Newry mine, to name a few. How did you get interested...L E C T I N G S E A S O N has come and gone in Colorado. During the summer I was able to meet quite a |  | | Journal (article/letter/editorial) | | calcite, dolomite, siderite, barite, fluorite, and quartz. There are occurrences where exceptionally rare...familiar to mineral collectors is the intergrowth of quartz and feldspar known as graphic granite. Pseudomorphs...crystals from the Champion lode, Clear Creek County, Colorado. Dave Bunk specimen, Jeff Scovil photo. Figure...and complex tennantite crystals with quartz from the El Cobre mine, Concepción del Oro, Zacatecas, Mexico...tennantite specimen from the Longfellow mine, Red Mountain Pass, Ouray County, Colorado. Dave Bunk specimen, |  | | 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 ________________________ |  | | 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) | | district, Cochise County; Gila County, at Lost Gulch Mine, near Globe; Mohave County, in Mineral Park;;...Pima County, in Mammouth Mine, Schulty; Yavapai County, in ores of Bradshaw Mountains; Yuma County, in...and Stibnite. ARGENTITE (silver glance). Mohave County, in pre-Cambrian granite gneiss in Chloride, Mineral...Stockton Hill districts; Pinal County, at Silver King; Santa Cruz County, at Montezuma and Empress of India...India mines, Tyndall district; Yavapai County, in ores of Bradshaw Mountains. ARSENOPYRITE (rnispickel |  | | Journal (article/letter/editorial) | | scorodite, and some scorodite from the large Gold Quarry mine in Nevada contains significant phosphorus and vanadium...pegmatites including those near Georgetown, Sagadahoc County (King and Foord 1994); other occurrences include...Oxford County. Scorodite occurred in small, pale green masses in oxidized ore at the cobalt mine at Great...Middlesex County; the Booth bismuth mine at Monroe, Fairfield County; and the arsenic mine between Seymour...Haven County, Connecticut (Schairer 1931; Januzzi 1976). It has also been found in the Wheeler mine, Merrimack |  | | Journal (article/letter/editorial) | | National University] at 06:43 31 December 2014 mine in Colorado, and they found virtually the entire series...calcite, dolomite, siderite, barite, fluorite, and quartz. Associates also include the rare minerals zinkenite...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) | | (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 (issue) | | . . . . . . . . . . . . . . . . . . . . . 61 Longfellow limestones . . . . . . . . . . . . . . . . ................. 5 Page. 79 Petrography of the quartz-monzonite-porphyries ... _....................... . . . . . . . . . . . . . . . . . . . . . . . Quartz . . . . . . . . . . . . . . . . . . . . . . . ...________ . _________ .. ____ . Inclu.s ions in vein quartz ____ ... _. __ .. ___ . -, _____ . __ ·_____ ...... _............................... _. . . . Longfellow mine_ ..... _.. _......... _.... _... _____ |  | Kimball, B.E., Mathur, R., Dohnalkova, A.C., Wall, A.J., Runkel, R.L., Brantley, S.L. (2009) Copper isotope fractionation in acid mine drainage. Geochimica et Cosmochimica Acta, 73 (5) 1247-1263 doi:10.1016/j.gca.2008.11.035 | Journal (article/letter/editorial) | | com/locate/gca Copper isotope fractionation in acid mine drainage B.E. Kimball a,*, R. Mathur b, A.C. Dohnalkova...Park, PA 16801, USA b Department of Geology, Juniata College, Huntingdon, PA 16652, USA c Pacific Northwest...Richland, WA 99354, USA d US Geological Survey, Denver Federal Center, Denver, CO 80225, USA Received 28 March...water affected by acid mine drainage in a mineralized watershed (Colorado, USA). The d65Cu values (based...Cu sulfide dissolution should be useful for acid mine drainage remediation and ore prospecting purposes |  | | 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 |  | | 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 |  | Eberl, Dennis D., Srodon, Jan, Lee, Mingchou, Nadeau, P. H., Northrop, H. Roy (1987) Sericite from the Silverton caldera, Colorado: Correlation among structure, composition, origin, and particle thickness. American Mineralogist, 72 (9-10) 914-934 | Journal (article/letter/editorial) | | 914-934, 1987 Sericite from the Silverton caldera,Colorado: Correlation among structure, composition,origin...Survey, Federal Center, Mail Stop 404, Denver, Colorado 80225, U.S.A. JIN SnoooN Institute ofGeological...Survey, Federal Center, Mail Stop 963, Denver, Colorado 80225, U.S.A. AssrRAcr "sericite" is a petrographic... EBERL ET AL.: SERICITE FROM SILVERTON CALDERA. COLORADO INrnolucrroN "Sericite" is a petrographicterm...the Silverton caldera in the western San Juan Mountains of Colorado, U.S.A. It was hoped that such a characterization |  | | 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) | | Coronado, and Abrigo units Ordovician System Longfellow and EI Paso limestones Pogonip (1) limestone...conglomerate Chinle formation Glen Canyon group San Rafael group Morrison formation Economic features...(cont.) Early Cretaceous stratigraphy . Cochise County . Other areas . . Sections including early and...Tucson Mountains Late Cretaceous sections . Greenlee County . Deer Creek-Christmas area . Northern Arizona...Ajo area . Sauceda Volcanics . Yuma County . Western Mohave County . Economic features of the Cretaceous |
|
