 | | Journal (article/letter/editorial) | | 2014 Creede The last Wild West Silver Mining Camp in Colorado T he Creede mining district, located...and rugged San Juan Mountains of southwestern Colorado. Although silver was discovered in the area in...cause much excitement until 1889 when Nicholas C. Creede and his two partners found rich silver ore near...that would later be known as the Amethyst vein system (a.k.a. Amethyst fault system), host to such well-known...well-known mines as the Amethyst, Last Chance, Commodore, and Bachelor. The mining encampment grew from |  | | Journal (article/letter/editorial) | | Mountain Mine (or Bulldog Mine) A Legacy Rich In Silver Creede Mining District, Mineral County, Colorado...Colorado, USA By Ken Kucera Fabulous mineral specimens from the rich Bulldog Mountain Mine grace private and...and museum collections the world over. Its mineral wealth is well represented at the Mines Museum of...wide array of habits and mineral associations. Also recovered from the mine was an abundance of fine...quartz variety amethyst. Table of Contents 2 Introduc�on 5 Loca�on Views of Creede 6 Rich Silver | | | Journal (article/letter/editorial) | | Mountain Mine (or Bulldog Mine) A Legacy Rich In Silver Creede Mining District, Mineral County, Colorado...Colorado, USA By Ken Kucera Fabulous mineral specimens from the rich Bulldog Mountain Mine grace private and...and museum collections the world over. Its mineral wealth is well represented at the Mines Museum of...wide array of habits and mineral associations. Also recovered from the mine was an abundance of fine...quartz variety amethyst. Table of Contents 2 Introduc�on 5 Loca�on Views of Creede 6 Rich Silver |  | | Journal (article/letter/editorial) | | Mountain Mine (or Bulldog Mine) A Legacy Rich In Silver Creede Mining District, Mineral County, Colorado...Colorado, USA By Ken Kucera Fabulous mineral specimens from the rich Bulldog Mountain Mine grace private and...and museum collections the world over. Its mineral wealth is well represented at the Mines Museum of...wide array of habits and mineral associations. Also recovered from the mine was an abundance of fine...quartz variety amethyst. Table of Contents 2 Introduc�on 5 Loca�on Views of Creede 6 Rich Silver | | | Journal (article/letter/editorial) | | Mountain Mine (or Bulldog Mine) A Legacy Rich In Silver Creede Mining District, Mineral County, Colorado...Colorado, USA By Ken Kucera Fabulous mineral specimens from the rich Bulldog Mountain Mine grace private and...and museum collections the world over. Its mineral wealth is well represented at the Mines Museum of...wide array of habits and mineral associations. Also recovered from the mine was an abundance of fine...quartz variety amethyst. Table of Contents 2 Introduc�on 5 Loca�on Views of Creede 6 Rich Silver |  | | Journal (article/letter/editorial) | | HISTORY OF FOUR Native Silver Localities 7 in Colorado Downloaded by [University of California, San Diego]...72 Golden, Colorado 80403 All photos by author unless otherwise noted SINCE 1859 COLORADO HAS PRODUCED...metal. Native silver in Colorado has been deposited both as a primary mineral, crystallized directly from...from hydrothermal fluids, and as a secondary mineral, precipitated during the various processes involved...silver specimen producers-Caribou, Ward, Aspen, and Creede. Secondary silver may be the only form of the native |  | | Journal (issue) | | Find your OwnAgate Collecting around Kremmling Colorado Morocco - The Country, The People and...Agates...Mindat.org Agates and Associated Minerals of Creede Colorado By Philip Persson PerssonRareMinerals.com ...information ranging from listing mineral localities, facts about mineral species, photographs of worldwide...to typical reference specimens), photographs of mineral localities (both modern and historical), publication...Copyrights Reserved 2014 - Printed in Denver, Colorado IDA CHAU’S JOURNAL FROM THE 3RD MINDAT INTERNATIONAL |  | | Journal (article/letter/editorial) | | InclusionStudyof the SouthernAmethyst Vein System,Creede Mining District, Colorado RICHARD W. ROBINSON* AND DAVID...andfluid inclusionstudies.Mineralizationoccursas vein fillingsand disseminations confinedto areas of high...severalothervein systems in the district,occurin the southernAmethyst vein system. The paragenesis is divided...includequartz,galena, tetrahedrite, covellite, acanthite, and native silver. Disseminatedmineralization...paragenesis of the oresin the Creede district. Analysisof fluid inclusionsin stage2 vein quartz showedthat averagehomogenization |  | Foley, Nora K., Caddey, Stanton W., Byington, Craig B., Vardiman, David M. (1993) Mineralogy, mineral chemistry, and paragenesis of gold, silver, and base-metal ores of the North Amethyst vein system, San Juan Mountains, Mineral County, Colorado. Professional Paper 1537. US Geological Survey doi:10.3133/pp1537 | Report (issue) | | Mineralogy, Mineral Chemistry, and Paragenesis of Gold, Silver, and Base-Metal Ores of the North Amethyst Vein...Vein System, Sari Juan Mountains, Mineral County, Colorado U.S. GEOLOGICAL SURVEY PROFESSIONAL PAPER...Alaska-Rm. 101, 4230 University Dr. • LAKEWOOD, Colorado-Federal Center, Bldg. 810 • MENLO PARK, California-Bldg... Mineralogy, Mineral Chemistry, and Paragenesis of Gold, Silver, and Base-Metal Ores of the North Amethyst Vein...Vein System, San Juan Mountains, Mineral County, Colorado By NORA K. FOLEY, STANTON W. CADDEY, CRAIG B. |  | | Journal (article/letter/editorial) | | Zoningof the BulldogMountainVein System,Creede District, Colorado GEOFFREY S. PLUMI U.S.GeologicalSurvey...BulldogMountainveinsystem,Creededistrict,Colorado,isoneof fourmajorepithermal vein systems fromwhichthe bulk of the...distributionwithin the vein system;someof thesestagesare alsostrongly zonedwithin the vein system.StageA wasdominatedby...ts were deposited in modestamountsthroughoutthe vein system.Thiscomplexassemblage markedthe transitionto...corresponding stages identifiedby otherresearchers alongthe OH andP veins,andthe southernAmethystvein system.Mi |  | | Report (issue) | | Epithermal System: A Progress Report from Creede, Colorado by Geoffrey S. Plumlee 1 , Paul B. Barton2...Field symposium, Rocky Mountain GSA, in Boulder, Colorado, May, 1987 (Plumlee et al., 1987). Because the...mineralization at Creede, some references in this report to other talks in the series or to district geological...SLIDE LEFT 1 - Schematic representation of the Creede system hydrology, showing where different types...processes in the Creede mineralizing system. The epithermal mineralization at Creede was deposited by |  | | Journal (article/letter/editorial) | | chemistryevolutionand ore depositionin the main-stageCreede, Colorado, epithermalsystem.An extensivegeologic,mineralogic...manyresearchers for the centralandsoutherndistrictvein systems (OH andP veins;centralandsouthernAmethystandBulldogMountainveinsystems)..._+adulariaassemblage in the centraldistrictveinsystems (OH andP veins;centralAmethystand BulldogMountainvein...andhematitewith only minorsulfidesin the central district veins. Boiling ceasedwhen the saturationpressureof...sphaleritc, galena,and quartz,and lessernativesilver,acanthite,and sulfosalts in the district's southernveinsystems |  | | 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...American Rift (Colorado-New Mexico). Bibliography: p. Includes index. 1. Mines and mineral resources—Colorado...resources—Colorado. 2. Mines and mineral resources—New Mexico. I. Kennedy, Marrianna B. II. Title. III. Title: Great...possible steps should be taken to preserve our mineral heritage, whether in physical form as irreplaceable |  | Gemmell, J. Bruce, Simmons, Stuart F., Zantop, Half (1988) The Santo Nino silver-lead-zinc vein, Fresnillo District, Zacatecas, Mexico; Part I, Structure, vein stratigraphy, and mineralogy. Economic Geology, 83 (8) 1597-1618 doi:10.2113/gsecongeo.83.8.1597 | Journal (article/letter/editorial) | | Silver-Lead-Zinc Vein, Fresnillo District, Zacatecas, Mexico: Part I. Structure, Vein Stratigraphy,and...maficvolcanics, anda Tertiary conglomerate. The SantoNifio vein canbe dividedinto three structuralzones,all of whichare...responsible for the mineraldeposition in the SantoNifio vein. StagesI andII consistof separateanddistinctbreccias...coarselycrystalline calcite. The ore mineralsof the SantoNifio vein are a complexintergrowthof fine-grainedbase met...chalcopyrite, arsenopyrite, tetrahedrite,argentite/acanthite, stephanitc, marcasite, proustitc,antimonpearceite |  | | Journal (article/letter/editorial) | | Heidelberg 2013 Abstract The Guanajuato epithermal district is one of the largest silver producers in Mexico...Mexico. Mineralization occurs along three main vein systems trending dominantly northwest–southeast: the...College, 233 South Street, Castleton, VT 05735, USA e-mail: helen.mango@castleton.edu G. Arehart Department...University of Nevada, Reno, Reno, NV 89557-0138, USA N. Oreskes Department of History, 0104, University...92093-0104, USA H. Zantop Department of Earth Sciences, Dartmouth College, Hanover, NH 03755, USA temperature |  | | Journal (article/letter/editorial) | | Epithermal Gold-Silver-Base Metal Sulfide-Quartz Vein System, New Zealand: Temperature and Salinity Controls...Zealand Abstract The large, andesite-hosted quartz vein system at Waihi contains a major epithermal Au-Ag...assemblages was associated with an initial stage of vein filling by platy calcite and quartz. This was followed...followed by a main stage of quartz and sulfide vein filling, with crustiform quartz at deeper levels and...grained sphalerite-galena-pyritechalcopyrite-acanthite-electrum assemblage at medium to shallow levels |  | | Journal (article/letter/editorial) | | 36849, USA Department of Geology and Environmental Earth Science, Miami University, Oxford, OH 45056,... USA; burkeml2@miamioh.edu Correspondence: saundja@auburn.edu; Tel.: +1-334-844-4884 Received: 10 August...transported solid phases (as opposed to daughter mineral phases that precipitated from the inclusion fluids)...fluids) in hydrothermal ore-forming solutions at Creede, Colorado, and they attempted to calculate the Minerals...solid particles. Boyle [11] summarized at Creede, Colorado,that andmore theyresearch attempted calculate |  | | Journal (article/letter/editorial) | | Geography, Auburn University, Auburn, AL 36849, USA; E-Mail: saundja@auburn.edu; Tel.: +1-334-844-4884...sulfidation (LS) epithermal deposits in the western USA often show evidence of the former presence of nanoparticle-sized...defined to have a size less than ~10−7 m. The ore-mineral textures that formed from aggregation of nanoparticles...precious-metal phases, and thus exhibit different mineral textures (e.g., no textural evidence of previous...many western USA epithermal deposits. Chalcopyrite is the most abundant metal-sulfide mineral in these bonanza |  | Duuring, Paul, Rowins, Stephen M., McKinley, Bradley S. M., Dickinson, Jenni M., Diakow, Larry J., Kim, Young-Seog, Creaser, Robert A. (2009) Examining potential genetic links between Jurassic porphyry Cu–Au ± Mo and epithermal Au ± Ag mineralization in the Toodoggone district of North-Central British Columbia, Canada. Mineralium Deposita, 44 (4) 463-496 doi:10.1007/s00126-008-0228-9 | Journal (article/letter/editorial) | | epithermal Au±Ag mineralization in the Toodoggone district of North-Central British Columbia, Canada Paul...Springer-Verlag 2009 Abstract The Toodoggone district comprises Upper Triassic to Lower Jurassic Hazelton...any other porphyry Cu–Au±Mo occurrence in the district and has lower REEs. All porphyry systems are spatially...intrusions are best exposed in the southern half of the district, where high rates of erosion and uplift have resulted...are more numerous in the northern half of the district, where the overlying Hazelton Group rocks dominate |  | 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). |  | | Journal (issue) | | Marvin Hanner Additions to the Ore Mineralogy of Colorado.................................................Donald Grybeck Crystallized Minerals of the Colorado Mineral Belt........................................Richard A. Kosnar and Harold W. Miller Famous Mineral Localities—Saint John’s Island, E gypt...........never compete! Some collectors I know have gone to mineral shows and not bought a single thing because they...sold, but the practice is not com m on in the mineral m arket. Suppose a collector buys a piece for SI00 |  | | Journal (article/letter/editorial) | | MultistageVein Ores of the Lake City District, Western San Juan Mountains,Colorado John,• F. SL^CK U.S. Geological...Polymetallic vein ores of the Lake City district, in the western San Juan Mountains, Colorado,have prod...crustification,vugs) is widespread. •[ultiple periodsof mineral depositionin the veins are documentedby coinpoundstructuresin...regional preore propylitization. Two distinct mineral suites have been recognizedin the veins, an older...the north side of the Lake City caldera, witere vein minerals include' pyrite' unzonedgreen or yellowsphalerite(--%0 |  | | Journal (article/letter/editorial) | | Guo-Xue Songc, Guang-Ming Lia,b a Key Laboratory of Mineral Resources, Institute of Geology and Geophysics...at: No. 19, Beitucheng Western Road, Chaoyang District, 100029 Beijing, P.R. China. E-mail address:...higher Ag/Au than type 2 LS, and their sulfide mineral association is transitional between HS and type...Ciobanu et al., 2002; Grancea et al., 2002), Baguio district of the Philippines and Morobe goldfield of Papua...deposits 4.1 Mineralogy and paragenesis Sulfide mineral assemblage in the majority of IS deposits can be |  | Chinchilla, Darío, Ortega, Lorena, Piña, Rubén, Merinero, Raúl, Moncada, Daniel, Bodnar, Robert J., Quesada, Cecilio, Valverde, Antonio, Lunar, Rosario (2016) The Patricia Zn–Pb–Ag epithermal ore deposit: An uncommon type of mineralization in northeastern Chile. Ore Geology Reviews, 73. 104-126 doi:10.1016/j.oregeorev.2015.10.026 | Journal (article/letter/editorial) | | The ore body consists of a set of subvertical E-W vein systems developed under a sinistral strike-slip... stephanite, pyrargyrite, freieslebenite and acanthite) and (3) post-ore stage; characterized by late...and IP sericitic alteration is developed along vein selvages and is superimposed to the regional propylitic...to NU 215ºC. Cooling was the mechanism of ore mineral precipitation in the Patricia deposit, although...2005). The Patricia Zn-Pb-Ag ore deposit displays a vein-like geometry and intermediate sulfidation epithermal |  | | Book | | l JJ 1atYON RALPH Moore's COMPENDIUM of Mineral Discoveries -------~►►--.•.... -~~1---------- ...long (Marty, 2004 ). AFRICA widely in Litchfield County, where good crystals were taken from quartz veins...region (Brunet, I 977b ). NEW YORK Amity, Orange County. At many isolated collected sites between the towns...Mount Malosa, Chilwa alkaline province, Zomba district. "Illite" is the name of a series of incompletely...crystals and in themselves are never of interest to mineral collectors. However, unusual discoveries in the |
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