 | | Journal (article/letter/editorial) | | ARTICLE The Sweet Home rhodochrosite specimen mine, Alma District, Central Colorado: the porphyry molybdenum–fluorine...rhodochrosite–fluorite in the Sweet Home Mine, Alma District, Colorado were originally mined for silver...For the last 13 years up until 2004, however, the mine has produced world-class rhodochrosite specimens...at the Sweet Home operation have revolutionized the minerals specimen industry. The Sweet Home deposit...the nearby area; (4) a small pegmatite within the mine with an age (25.9±0.3 Ma) coincident with mineralization | | | Journal (article/letter/editorial) | | ARTICLE The Sweet Home rhodochrosite specimen mine, Alma District, Central Colorado: the porphyry molybdenum–fluorine...rhodochrosite–fluorite in the Sweet Home Mine, Alma District, Colorado were originally mined for silver...For the last 13 years up until 2004, however, the mine has produced world-class rhodochrosite specimens...at the Sweet Home operation have revolutionized the minerals specimen industry. The Sweet Home deposit...the nearby area; (4) a small pegmatite within the mine with an age (25.9±0.3 Ma) coincident with mineralization |  | | Report (issue) | | RADIOACTIVE MINERALS IN PARTS OF THE ALMA DISTRICT PARK COUNTY, COLORADO UNITED STATES DEPARTMENT OF THE...RADIOACTIVE MINERALS IN PARTS OF THE ALMA DISTRICT, PARK COUNTY, COLORADO By C. T. Pierson and Q. D. Singewald...RADIOACTIVE MINERALS IN PARTS OF THE ALMA DISTRICT, PARK COUNTY, COLORADO By C. T. Pierson and Q. D. Singewald...Plate 1. Generalized geologic map of the Alma district, Park County, Colo.................. Inside back cover...cover Figure 1. Index map of Colorado showing location of the Alma disti-2t......................... |  | | Journal (issue) | | E-mail: leicht@kristalle.com T he Sw e e t H ome Park C o u n t y , C o l o r a d o This publication...Leonard Beach, whose undying faith in the Sweet Home Mine made it all happen. M in e FRONTISPIECE:... found in the Good Luck Pocket, Sweet Home mine, in 1992. Sweet Home Rhodo, Inc. specimen; photo by Harold... found in the Good Luck Pocket, Sweet Home mine, in 1992. Sweet Home Rhode. Inc. specimen; photo by Harold...adventure in specimen collecting in our time: the Sweet Home mine operation. Many thousands of specimens have |  | | Journal (issue) | | Benjamin Burke 36 Member Corner: Sandra Labrum 16 Lead Story: The Arroyo Problem Revisited, Valley Fill...Science. 32 Welcome New RMAG Members! 48 WANTED: Colorado Rocks! 49 Advertiser Index 49 Calendar 42 On...On the Rocks: Detroit City Portal/Rhodochrosite Mine Trip ASSOCIATION NEWS 2 RMAG Summit Sponsors 4 RMAG...Geologists North American HELIUM Conference Denver, Colorado - March 22-23, 2023 DEADLINE: NOVEMBER 1, 2022...• Paradox Basin, Holbrook Basin, the Greater Colorado Plateau, Wyoming, Montana, British Columbia, and |  | | Report (issue) | | COLORADO STATE GEOLOGICAL SURVEY BOULDER R. D. GEORGE. State Geologi.t BULLETIN 3 G E O L O G Y A...A N D O R E DEPOSITS OF THE ALMA DISTRICT PARK COUNTY, COLORADO BY HORACE B. PATTON ARTHUR J. HOSKIN...PBINTING CO., STATE PBTNTEBS 1912 Plate IV—View of Mount Lincoln as seen from the Hoosier Pass road. The...Charles A. Lory Governor of Colorado President University of Colorado President State School of Mines...TRANSMITTAL State Geological Survey, University of Colorado, December 1, 1912. Governor John F. Shafroth, |  | | Report (issue) | | Bldg., 2600 corridor, 18th and CSts.,NW. DENVER, Colorado-Federal Bldg., Rm. 169,1961 Stout St. LOS ANGELES...California-Federal Eldg., Rm. 7638,300 N. Los Angeles St. MENLO PARK, California-Bldg. 3 (Stop 533), Rm. 3128, 345MiddlefieldRd...ROLLA, Missouri-1400 Independence Rd. DENVER, Colorado-Map Distribution, Bldg. 810, Federal Center FAIRBANKS...Replacement Deposits Part II Gold in the Tintic Mining District, Utah By HALT. MORRIS Gold Deposits in the...Bird Mining Districts, San Juan Mountains, Colorado By FREDERICKS. FISHER Gold in the Alma Mining District |  | | Journal (article/letter/editorial) | | mineralization: U–Pb age for hübnerite (MnWO4), Sweet Home Mine, Colorado Rolf L. Romer *, Volker Lüders GeoForschungsZentrum...Sn-specialized granites. Hübnerite from the Sweet Home Mine (Alma, Colorado) formed in a Pb-rich, U-poor environment...± 0.3 Ma (2r). Late stage apatite from the Sweet Home Mine yields a 206Pb/204Pb–238U/204Pb isochron corresponding...accurate U–Pb ages and (ii) the evolution of the Sweet Home mineralization from greisen-type mineralization...from the Sweet Home Mine (Alma mining district, Colorado) The Sweet Home Mine, located in the Alma mining |  | | Report (issue) | | anything “bigger” than the rhodochrosite of the Sweet Home mine, and right now the big news appertaining thereto...Lees’ Collector’s Edge Minerals crew has resumed mining of the deposit through the “Detroit 1 =======...considerably up-slope on Mount Bross from the portal used during the great 1991-2004 mining period. Extraction...website (collectorsedge.com) is offering 16 Sweet Home mine rhodochrosite specimens, thumbnail to cabinet-size...which suggests the great potential of this Sweet Home Two mining project. So you can’t afford $32,000 to |  | | 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? ...................................... Kosnar Famous mineral localities: the Home Sweet Home mine ..........................................333 by R. A. Kosnar Famous mineral localities: Mount A n tero ............................ 339 by M.... I. Jacobson The San Juan Mountains of Colorado ..................................349 by J. A. Murphy |  | | Journal (article/letter/editorial) | | [University of Nebraska, Lincoln] at 13:31 09 June 2016 Colorado boasts numerous localities where fine sphalerite...Elmwood, Tennessee; the mines of the Tri-State district of Missouri-OklaDownloaded by [University of Nebraska...of sphalerite also occur at many localities in Colorado, in shades of amber, emerald- or lime-green,...Muntyan, former director of the Ouray County Museum in Ouray, Colorado, is a frequent contributor to Rocks...in her series on Colorado minerals appeared in the July/August I994 issue (“Colorado Pyrite”), September/October |  | Lüders, Volker, Romer, Rolf L., Gilg, H. Albert, Bodnar, Robert J., Pettke, Thomas, Misantoni, Dean (2009) A geochemical study of the Sweet Home Mine, Colorado Mineral Belt, USA: hydrothermal fluid evolution above a hypothesized granite cupola. Mineralium Deposita, 44 (4) 415-434 doi:10.1007/s00126-008-0221-3 | Journal (article/letter/editorial) | | A geochemical study of the Sweet Home Mine, Colorado Mineral Belt, USA: hydrothermal fluid evolution...fluorite–rhodochrosite mineralization at the Sweet Home Mine occurred coeval with the final stage of magmatic...Geosciences, Virginia Tech, Blacksburg, VA 24061, USA T. Pettke Institute of Geological Sciences, University...Switzerland D. Misantoni Colorado Calumet Company Inc., P.O. Box 1169, Golden, CO 80402, USA al assemblage was...in quartz demonstrate that fluids from the Sweet Home Mine are enriched in incompatible elements but have |  | | 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 |  | | Journal (article/letter/editorial) | | August 2013 BARBARA L. MUNTYAN P.O. Box 495 Ouray, Colorado 8 I427 hodochrosite, a manganese carbonate with...Rhodochrosite has also been found in many localities in Colorado, particularly in the mines of the San luan Mountains...it i s one of the most recognized and coveted Colorado minerals. partiY DO e the presence of a mix...occurs in significant amounts in many mining districts of the Colorado mineral belt, a large, elongated,...extreme southwestem comer of Colorado. Most of the metal mining in Colorado has been within this belt since |  | | Catalog/List | | of Crystallized Gold from the famed Eagle’s Nest Mine in California A superb Crystallized “Leaf” Gold...gemstone Amethyst to come from the famed Four Peaks Mine in Arizona A sharp and complicated Crystallized...Crystallized Silver with Copper from the famed Wolverine Mine in Michigan A “classic” Rhodochrosite with associated...associated Pyrite and Quartz from the Sweet Home Mine in Colorado An unusually massive and extremely colorful...colorful, Smithsonite from the iconic Kelly Mine in New Mexico A ‘gem’ quality specimen Tanzanite crystal in |  | | 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....from the Leadville district, with another 50 million pounds mined in San Juan County (Henderson 1926).... During the twentieth century, the Gilman district surpassed Leadville in total copper production with |  | | Journal (article/letter/editorial) | | are highlighted by small related photographs of mining scenes, stock certificates, or other specimens...of the Sweet Home mine, from its meager beginnings as an 1870s silver mine on the slopes of Mount Bross...Bross near Alma, Colorado, through its phenomenal specimen-producing period under the able leadership of...particular interest are segments covering the actual mining process, the discovery of rhodochrosite pockets...class to have rhodochrosite established as the Colorado State Mineral is well documented. Volume 80, September/October |  | | 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) | | Cooper Nottingham, England Anthony R. Kampf L.A. County Mus. of Nat. Hist. Los Angeles, CA Steven R. Morehead...Michigan Correspondents Dudley Blauwet Louisville, Colorado Miguel Calvo Zaragoza, Spain Renato Pagano Milan...COVER: COPPER, 8.3 cm, from the Central mine, Keweenaw County, Michigan—considered by some to be the world’s...fine minerals on DVD wilensky Fluorite, Huanzala mine, Dos de Mayo Province, Peru. Wilensky Fine Minerals...commemorative labels for the specimen owners to take home, over 100 showcase title placards and informative |  | | Catalog/List | | Internet, Fax, and Mail) Heritage Auctions Design District Annex 1518 Slocum Street • Dallas, TX 75207 Sunday...52001-52306 LOT VIEWING Heritage Auctions Design District Annex 1518 Slocum Street • Dallas, TX 75207 Wednesday...directly from the miners at the Elmwood Mine in Tennessee, when the mine was actively producing twenty years...hundred years ago and from the present. • A faceted Sweet Home Rhodochrosite weighing 22.93 carats with exquisite... 52002 SZENICSITE with POWELLITE Jardinera No. 1 Mine, Inca de Oro, Chañaral Province, Atacama Region |  | | Journal (issue) | | Golden Topaz, 3.5 inches, from Katlang, Mardan District, Pakistan; Freilich Collection. OPENING SPREAD:...Pyromorphite from the Bunker Hill mine, Idaho; Wulfenite from the Red Cloud mine, Arizona; Calcite and Fluorite...Fluorite from the Elmwood mine, Tennessee; Aquamarine from Pakistan; Wire Silver from Kongsberg, Norway;...in Calcite from the Tsumeb mine, Namibia; Novacekite from the Brumado mine, Brazil; Elbaite from Nuristan...San Benito County, California; Spinel from Mogok, Burma; and Emerald from the Coscuez mine, Colombia. |  | | Journal (issue) | | (Continues on page 2) The Madison Mine, Madison, Carroll County, New Hampshire: An Addendum Art Smith...article on the Madison mine, Madison, Carroll County, briefly describing the mining history and my experiences...have made a sketch map showing the location of the mine pit in relation to the dumps, old mill site and... E. Reynolds cottage) and the area of the other mine buildings, now completely obliterated, are taken...Anonymous (1925) has the following about the Madison mine: About 1912 Albert E. Reynolds came. He had diamond |  | | 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 |  | | Journal (issue) | | Vanadinite 3.4 cm, from the North Geronimo mine, La Paz County, Arizona. Dick Morris collection; Jeff Scovil...cover: (above) Stock certificate for the Silver King Mining Company (1878) Dick Morris collection (below) Stock...Stock Certificate for The Total Wreck Mining & Milling Company (1881) Dick Morris collection This special... considering the historic importance of copper mining in Arizona, native copper would be the logical...deemed more appropriate (and more likely to gain mining industry support) to propose designating copper |  | | Journal (article/letter/editorial) | | Mass. 02054 In late August of 1968, while in Colorado, I spent a few days in attempting to determine...locations are the Sweet Home Mine, Alma, Park Co.; the John Reed Mine, Alicante Mining District, Lake Co.; and...Results at all three were not encouraging. The Sweet Home is easy to reach, being located on a good gravel...center of Alma, following Buckskin Creek. This is known as the Buckskin Gulch Road, and the Sweet Home is about...about 3 or 4 miles up the gulch. The mine buildings, adits, and part of the dump is on the north side |
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