 | | Journal (article/letter/editorial) | | ARTICLE The Sweet Home rhodochrosite specimen mine, Alma District, Central Colorado: the porphyry molybdenumâfluorine...rhodochrositeâfluorite 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 (25.9Âą0.3 Ma) coincident with mineralization | | | Journal (article/letter/editorial) | | ARTICLE The Sweet Home rhodochrosite specimen mine, Alma District, Central Colorado: the porphyry molybdenumâfluorine...rhodochrositeâfluorite 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 (25.9Âą0.3 Ma) coincident with mineralization |  | | 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 (article/letter/editorial) | | mineralization: UâPb age for huĚbnerite (MnWO4), Sweet Home Mine, Colorado Rolf L. Romer *, Volker LuĚders GeoForschungsZentrum...Sn-specialized granites. HuĚbnerite from the Sweet Home Mine (Alma, Colorado) formed in a Pb-rich, U-poor environment...Âą 0.3 Ma (2r). Late stage apatite from the Sweet Home Mine yields a 206Pb/204Pbâ238U/204Pb isochron corresponding...accurate UâPb 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 |  | | Journal (issue) | | 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...Global Commodity - the difference between Canadian, USA and International markets and valuations Helium exploration |  | | 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 |  | LĂźders, 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...fluoriteârhodochrosite 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 |  | | 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 (issue) | | Julius Weber Mamaroneck, New York COLORADO ISSUE #2 Articles Colorado locality index.............................. 323 by B. L. Muntyan Whatâs 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 |  | | Book | | MINES AND MINERALS OF THE GREAT AMERICAN RIFT (COLORADO-NEW MEXICO) Sine â_â< ¢ 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 resourcesâColorado. 2. Mines and mineral resourcesâNew Mexico. I. Kennedy, Marrianna...enter must be obtained to prevent trespass. Old mine workings are dangerous and entering underground |  | | Journal (article/letter/editorial) | | the series selected from different areas of the Sweet Home Paul W. Pohwat is the collections manager in...National University] at 06:43 31 December 2014 mine in Colorado, and they found virtually the entire series...tetrahedrite and pyrite specimen from the Anchor mine, Park City, Utah. The specimen was in the stock of...present time are from the Sweet Home mine, near Alma, Park County, Colorado, where it occurs with rhodochrosite...chalcopyrite, pyrite, and tennantite. Specimens from the Sweet Homeâs âTetrahedrite Stopeâ reached sizes of approximately |  | | 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 (issue) | | O5 0.05 Total FeO 0.24 (1) Uncompahgre district, Colorado, USA. (2) MnWO4 . Polymorphism & Series: (1)...Distribution: May be an ore of tungsten at some localities. In the USA, from the Erie and Enterprize veins...Ellsworth (Mammoth) district, Nye Co., Nevada; at numerous deposits in Colorado, as the Adams mine, Bonita Mountain...the Sweet Home mine, Alma district, Park Co., and large crystals from the Quartz Creek district, Gunnison...Gunnison Co.; in the Blue Wing district, Lemhi Co., Idaho; large crystals from the Little Dragoon Mountains |  | | 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, ChaĂąaral Province, Atacama Region |  | | Journal (issue) | | scepter with pyrite, 7 cm, from Spruce Ridge, King County, Washington; Rick Dillhoff collection; Jeff Scovil...Acanthite with silver, 2.6 cm, from the Uchucchacua mine, Peru; Allan Young collection and photo. Amethyst...prospectors. All of this activity gave a jump-start to mining interests and prospecting in the lands of the Pacific...beautiful quartz specimens from Denny Mountain and King County, Washington, and the zeolites from the coastal...disposition of the collection remains unknown. The Fair home still stands in Lewiston. William S. Beekman (1867â1930s) |  | | Journal (article/letter/editorial) | | Two Point claim, Pikes Peak batholith, Teller County. The Collectorâs Edge specimen, Jeff Scovil photo...Mail Stop 150, Box 25046 Federal Center Denver, Colorado 80225 pmodreski@usgs.gov C olorado is, of course...prohibitions on collecting or to private land or mining claims for which permission has been obtained....been written as guides to mineral collecting in Colorado. A classic, which went through three major editions...1951 version with a slightly different title), is Colorado Gem Trails and Mineral Guide, by Pearl (1951, |  | | Journal (article/letter/editorial) | | 20513 pohwatp@si.edu FLUORITE Elmwood Mine, Carthage, Smith County, Tennessee R egular readers of this...sphalerite, 8.8 cm high, from the Elmwood mine, Smith County, Tennessee. Note the gemmy corners of the...The pieces are all from the fluorspar district, Hardin County, Illinois. Cincinnati Museum Center specimens...cubes from Trestia, Transylvania region, Maramures County, Romania, appears to be a complete replacement...Ivigtut (modernized to Ivittuut), Frederikshaab district, Kitsa, Greenland, is noted more for the exotic |  | | 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 |  | | Journal (issue) | | O N T E N T S EDITORIAL Carlsbad: A New Home for GIA and Gems & Gemology Alice S. Keller FEATURE...Caspi 122 Gem Rhodochrosite from the Sweet Home Mine, Colorado Kimberly Knox and Bryan K. Lees pg. 99...are from the Sweet Home mine near Alma, Colorado. Current exploration and minig at this mine, as well as...forâSweet Home rhodochrosite, are covered in the article by artist Kimberly Knox and Sweet Home Rhodo...are courtesy of The Collectorâs Edge, Golden, Colorado. Photo Š Harold & Erica Van PeltâPhotographers |  | | Journal (issue) | | Gary Gianniny, Fort Lewis on the Water (FLOW) Colorado Glaciology | June 25 | Minturn/Vail, CO Trip leader:...coal mine in SW Wyoming. Facies of Tidal Origin, Eastern New York.â Our trip leadThere a huge mine face...of exceptional glacial features in the central Colorado mountains Âť CONTINUED FROM PAGE 12 outcrop...Leadville area on a bike tour of this historic mining district ⢠Consider applications to exploration and...unconventional reservoirs on outcrops at Pueblo State Park ⢠Walk with dinosaurs at the world-famous Picket |  | 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). |  | | Catalog/List | | Internet, Fax, and Mail) Heritage Auctions Design District Annex 1518 Slocum Street ⢠Dallas, TX 75207 Session...Collection LOT VIEWING Heritage Auctions Design District Annex 1518 Slocum Street ⢠Dallas, TX 75207 Wednesday...museum-quality Tourmalines, including the 2nd largest Sapo Mine âshaving brushâ and an exceptional Elbaite on Feldspar...CALEDONITE Mammoth-Saint Anthony Mine, Tiger, Pinal Co., Arizona, USA Named by the Romans for the area...This example hails from the Mammoth-Saint Anthony Mine: a legendary Arizona locality. Unlike the vast majority |  | | Report (issue) | | Denver, Colorado, USA Š 2011 by Lithographie, LLC P.O. Box 11613 ⢠Denver, CO 80211 ⢠USA Phone 1.303...America Photo Credits Cover: Topaz, 3.5 cm tall Capao Mine, Ouro Preto, Minas Gerais, Brazil Max and Jon Sigerman...Occurrence MIKE MENZIES 22. Topaz from Utah's Maynard Mine RYAN BOWLING 26. Volodarsk-Volynski PETER LYCKBERG...Topaz ALFREDO PETROV & JOHN RAKOVAN 34. Colorful Colorado DAVID W. BUNK 42. Mongolian Topaz: The Gorkhi...DUDLEY BLAUWET 58. Zimbabwe Blue Topaz: St. Anne's Mine JAN KANIS 60. Brazil: The Land of Topaz DIETMAR |  | | Journal (issue) | | should know because I am a chemist. When I arrived home, I bought my first bottle of Russian Standard Vodka...that we teach you how to sell them. When you return home you will have the tools and knowledge to jump-start...workout that fateful day. When World War II started, tungsten became a strategically important metal, as it...to toughen steel. The most important sources of tungsten are the minerals powellite and scheelite. It so...many California gold mines was rich in these two tungsten minerals. It didnât take a genius to figure out |  | | Journal (issue) | | January 2015 Display until 2/10/2015 PRINTED IN USA RG_Panning_cover_0115.indd 2 12/5/14 10:27 AM ...and Jim Horste The North Star Mining Museum ............ 24 gold mining history in grass Valley, california...Computers they mine not from soil But from excess dataâs turmoil. The old way that there is to mine Is harder...shape, I trimmed the slab on my 10-inch Highland Park saw, staying about 2 mm away from the outline. I...Month.indd 8 Rock & Gem 11/30/14 5:29 PM HIGHLAND PARK LAPIDARY COMPANY Quality Equipment at a Fair Price |
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