 | | Report (chapter) | | the LIBRARY South Platte District, Colorado · by Wm. B. Simmons and E. Wm. Heinrich Colorado Geological...Denver, Colorado I 1980 Front cover: Wide Angle photograph of the Oregon No. 2~ pegmatite, South Platte...Platte pegmatite district, Colorado. This striking example graphically illustrates the exceptionally welldeveloped...structural zonation of the pegmatites of this district. A fifty foot high column (40 feet across at the...the bottom of the pit. The quartz core of the pegmatite was left standing in relief as the enveloping |  | | Journal (article/letter/editorial) | | looking northwest acro88 the cliff’s of Glen Cove to South Park and the Tarryall Mountains. Researchers have...northeasterly-trending continentul Figure 2. Geologic map of the Colorado Front Range showing the Precambrian metamorphic...1978; Karistrom 1978; Lanthier 1978). Farther south in Colorado, sediments accumulated in decper-water rocks...Survey into “Early, Middle, and Late” Eras. In Colorado we because of the subsequent folding and overthrusting...subduction zone and possibly the creation Era in Colorado and Wyoming of a volcanic island arc. Carpenter |  | | Journal (article/letter/editorial) | | 2000 Lakeshore Drive, New Orleans, Louisiana 70148, USA Sarah L. HANSON Geology Department, Adrian College... 110 S. Madison Street, Adrian, Michigan 49221, USA Alexander U. FALSTER and Karen L.WEBBER Department...2000 Lakeshore Drive, New Orleans, Louisiana 70148, USA Abstract Pegmatites enriched in the rare-earth elements...Wisconsin through Colorado to Arizona. Four widely geographically spaced pegmatite districts that are...are compared and contrasted in this study. The pegmatite districts include the circa 1.5 Ga Wausau syenite |  | | Journal (issue) | | Colorado Springs Mineralogical Society Founded in 1936 July 2015 PICK&PACK Vol 55 ...... Number 6 Inside...Jacobson Topic: Pegmatitic Rare-earth Minerals of Colorado: Species and Identification Refreshments provided...Friends of Mineralogy, Colorado Chapter. Mark has collected rare earth minerals in Colorado, Texas, Wyoming...Minerals of Colorado: Species and Identification Most of the pegmatitic rare-earth minerals in Colorado are found...found in the South Platte district, Jefferson County; St. Peters Dome district, El Paso County, Trout Creek |  | | Report (volume) | | Minerals of Colorado: A 100- Year Record By EDWIN B. ECKEL GEOLOGICAL SURVEY BULLETIN 1 1 14 A...Branch of Distribution, U.S. Geological Survey, 1200 South Eads Street, Arlington, VA 22202 CONTENTS Page...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 |  | | Journal (article/letter/editorial) | | report on copper, the Codelco el Teniente copper mine in Chile experienced a major cave-in that was estimated...ma jor new nickel mine that is being developed at the Radio Hill deposit, south of Karratha, Pilbara...Pilbara, Western Australia. Gold mining has commenced at Nevada Goldfields mine, Manhattan, Nevada, while a...an area 4.8 km north of [the] Homestake Mine" in Lead, South Dakota, according to a second-quarter report...the gold from the ore. The ore is handled only by big machines, and speci mens are dissolved and corroded |  | | Book (volume) | | ...........................................59 Colorado ...........................................................................................427 South Carolina ....................................................................................430 South Dakota ..........................................................548 Table of Maps Page Alabama County Map ...................................................................................4 Alaska County and Stream Map ............................... |  | | Book (volume) | | ...........................................47 Colorado ...........................................................................................366 South Carolina ....................................................................................368 South Dakota ...........................................rights, so remember you were told. If in doubt, a county map will tell you who the legal owner is. Good...gemmy qualities for cutting and polishing. AUTAUGA COUNTY PRATTVILLE, N. 6 mi., and just E of the Birmingham |  | | Book (volume) | | ...........................................47 Colorado ...........................................................................................366 South Carolina ....................................................................................368 South Dakota ...........................................rights, so remember you were told. If in doubt, a county map will tell you who the legal owner is. Good...gemmy qualities for cutting and polishing. AUTAUGA COUNTY PRATTVILLE, N. 6 mi., and just E of the Birmingham |  | | Catalog/List | | grey-black rich crystalline mass 3x4 Broken Hill, New South Wales Australia £8 4 VANADINITE orange brown crystals...5x3 Edwards, Balmat-Edwards Zinc District, St Lawrence Co., New York, USA. £7 6 MOHAWKITE a burnished metallic...Domeykite (Cu As) and Native Copper, Keweenaw County Michigan USA 3.5x3 £20 7 DMISTEINBERGITE a fairly good...crystal about 6cm long £ 10 Mono Lake, Mono County California USA 10 VOLKOVSKITE orange platy mass ,a thin...all over 4x4 surface. It's about lm thick Cassagna Mine, Ne ,Graveglia Valley, Liguria Italy, I collected |  | | Book (edition) | | McDonald Co\·er photo: \\ 7 ulfenite, Rowley Mine, Maricopa County, 4 cm high specimen, Evan and Melissa Jones...used mining districts as part of the locality description. These political and geographic district names...with a more descriptive term, metallic mineral district. This term shows the geochemical and mineralogical...reader to learn more about the geology of the district and to possibly predict the minerals that could...districts. Where possible, the metallic mineral district for each mineral locality is given for the mineral |  | | Report (volume) | | Geology of Uranium Deposits in the Front Range, Colorado By P. K. SIMS and D. M. SHERIDAN With sections...____________ Class 1 deposits-uranium-bearing fluorite veins and breccias___ Class 2 deposits-uranium-bearing...mines_______________________________________ Boulder CountY----------------------------------~-----------Jamestown...Generalfeatures--------------------------------------Blue Jay mine, by R. U. King__________________________ Fair Day...mine________________________________________ Nations Treasure mine, by R. U. King___________________ Victory group |  | | Catalog/List | | crystals. Good display piece. Vambori, Ahmedhagar District, Maharashtra State, lndia about 5x2.5 inches £70...with micro Sphalerite on 2x2 matrix Lers Malines Mine, Gard, France £20 4. BENTORITE a very rare, Cr containing...crystals, possible Dickite micros too. Panteg-y-Gaseg Mine, Amlwch Anglesey, Wales £18 I 0. PENNANTITE small...matrix. Plates are about I to 1.5 mm size (Benallt Mine,Lleyn, Wales) £30 11. BOURNONITE good blocky grey...crystals,. all over 2.5 x2.5 inch surface Likasi Mine, Katanga Congo £25 14. SIDERITE rich red-brown |  | | Journal (article/letter/editorial) | | specimens, are either inaccessible or are in closed mining districts, or are closed for political reasons...City-D~Lamar Mining Dlstricts / J\. I,' -r-, - L..... ~ rl.. kl \ , 50 I 100 I Miles old mining and...199I-the right to collect in the Sawtooth Mountains of south-central Idaho. Although known by a few collectors...scientific significance. In this index, the better known mining districts that have produced many high-quality...across, on blue thomsonite. Lucky Peak Dam, Ada County; Lanny Ream specimen and photo. Figure 3 (below) |  | | Report (volume) | | . 234 " y { " ,-t .. .~,:",. I " , COLORADO "or.! _ +, (~ STATE OF .~ :'(' COL~ADO /... BULLETIN 40 RADIOACTIVE MINERAL OCCURRENCES OF COLORADO AND BlaLlllGRAPHY by James L. Nelson-Moore,...Energy COLORADO GEOLOGICAL SURVEY DEPARTMENT OF NATURAL RESUURCES STATE OF COLORADO DENVER, COLORADO 1978...ete 11 st r ng of rad i aaet 1ve occurrences 1n Colorado, with a comprehensive blbi iography and bibliographic...on the Colorado Plateau sparked several periods of exploratIon that ultimately led to a mining "boom ll |  | | 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 |  | | Book | | time to time, and she found the 0.75-inch purple fluorite crystal on matrix from near the Durham and Wallingford...local mines, I went on to study geology at the Colorado School of Mines and then became a collector and...Green’s Farm, otherwise known as the Roxbury Garnet Mine, which is on the border between Roxbury and Southbury...and is typical of what could still be found in the mine. To me, its label “makes” this specimen. I am very...Northeast and head west and then on to Mexico, South America, and on to the rest of the world. These |  | | Journal (issue) | | Mimetite on Barite 5.1 cm, from the Rowley mine, Maricopa County, Arizona. Dick Morris collection; Jeff Scovil...(only one known) for The Red Cloud Gold & Silver Mining Company (1880) Mark Hay collection Introduction...Steve Mas]ansky Dale Armstrong Bill Besse Bisbee Mining and Historical Museum Paul & Barbara Matt Lauren...explore literally thousands of mineral occurrences, mine dumps and abandoned mines in the public domain administered...weren't good enough, just across the border to the south is Mexico, rieb in active mines where miners are |  | Huston, D. L., Sun, S.-S., Blewett, R., Hickman, A. H., Kranendonk, M. V., Phillips, D., Baker, D., Brauhart, C. (2002) The Timing of Mineralization in the Archean North Pilbara Terrain, WesternAustralia. Economic Geology, 97 (4) 733-755 doi:10.2113/gsecongeo.97.4.733 | Journal (article/letter/editorial) | | (volcanic-hosted massive sulfide, porphyry Cu, Sn-Ta pegmatite, mafic-ultramafic-hosted Ni-Cu-PGE, and epithermal...world-class deposit in this region is the Wodgina Ta-Sn pegmatite deposit, but large iron ore deposits are being...to 2840 Ma North Pilbara terrain, which extends south underneath the overlying volcano-sedimentary sequences...Sn +-Ta deposits 0 100 km Quartz-galena +- fluorite and epithermal vein deposits Mafic-ultramafic...Mosquito Creek basin and the Kurrana terrane to the south represent discrete lithotectonic elements, but in |  | | Book (edition) | | Wu!fenite. Red Cloud mine, Si/district, Trigo Mountains, La Paz County, Arizona. Smithsonian Institution...and Second Editions PART 2 HISTORY OF ARIZONA MINING AND MINERALOGY The Prehistoric Period 20 Arizona...Deposits 63 The Bisbee District, Cochise County 64 The Tombstone District, Cochise County 70 The Mammoth-St...Mammoth-St. Anthony Mine, Tiger, Pinal County 78 Uranium and Vanadium Deposits 80 Monument Valley 81 - • Vll...Breccia Pipes 87 Pegmatites 88 "Mine Fire" Minerals, United Verde Mine, Jerome Arizona Meteorites PART |  | | Book | | sphalerite, scheelite, Terlingua calcite, and fluorite. Jewelers, lapidaries, and gem collectors will...determine the color of luminescence. For example, fluorite may fluoresce white, blue, green, yellow, orange...Livers Lambert, Boulder, Colorado. Typography by Argent Associates, Boulder, Colorado. Contents Preface...themselves in the minerals of a single mine or mineral district, one or several particular mineral species...to explore for fluorescing minerals. The field—mine, mine dump, or quarry—can be richly rewarding in its |  | | Report (issue) | | from. Pyromorphite, 5.8 cm, from the San Andres mine, Villaviciosa de Cordoba, Espiel, Cordoba, Spain...=============================== the San Andres mine, Villaviciosa de Cordoba, Espiel, Cordoba, Spain...of the 5th century B.C., then again by a French mining company in ca. 18701970. A highly evolved local...Shale, Extension 18, Boron open pit, Boron, Kern County, California. Lehigh Minerals specimen and photo...cabinet-size specimens of borate minerals from the great mine at Boron, California—and from the former collection | | | Book | | sphalerite, scheelite, Terlingua calcite, and fluorite. Jewelers, lapidaries, and gem collectors will...determine the color of luminescence. For example, fluorite may fluoresce white, blue, green, yellow, orange...Livers Lambert, Boulder, Colorado. Typography by Argent Associates, Boulder, Colorado. 549!.125 QBI93-652...themselves in the minerals of a single mine or mineral district, one or several particular mineral species...explore for fluorescing minerals. The field—mine, mine dump, or quarry—can be richly rewarding in |  | | Book | | 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...Litchfield County. Ilmenite masses and crystals from somewhere near Washington, Litchfield County, were described...Lake Road occurrence, Faraday Township, Hastings County. In fall 1994, Dan and Shelley Lambert extracted | | | Book (edition) | | Wulfenite. Red Cloud mine, Silver district, Trigo Mountains, La Paz County, Arizona. Smithsonian Institution...and Second Editions PART 2 HISTORY OF ARIZONA MINING The Prehistoric Period 20 Arizona Under Spanish...Deposits The Bisbee District, Cochise County 64 70 The Tombstone District, Cochise County The Mammoth-St.... Anthony Mine, Tiger, Pinal County Uranium and Vanadium Deposits 80 Monument Valley 81 63 78 il S:...Breccia Pipes 87 Pegmatites 88 “Mine Fire” Minerals, United Verde Mine, Jerome Arizona Meteorites 93 PART |
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Big Bertha Mine, South Platte Pegmatite Mining District, Jefferson County, Colorado, USA