 | | Report (issue) | | in the Wet Mountains area, Fremont and Custer Counties, Colorado By T. J. Armbrustmacher Open-File report... 2.--Carbonatite dike cropping out at the Miles mine 5 3.--Photomicrograph of carbonatite from same...in the Wet Mountains area, Fremont and Custer Counties, Colorado 1 By T. J. Armbrustmacher Introduction...Wet Mountains of south-central Colorado in southern Fremont and Custer Counties. The thorium deposits...by the Arkansas River on the north, the Custer-Huerfano County line on the south, the Use fault on the |  | | Report (issue) | | 14 1. 2. 3. 4. 5. Asbestos ore Lead ore, Batmat mine, N. Y. Chromite-chromium ore, Washington Zinc ore...Peninsula, Mich. 10. Porphyry molybdenum ore, Colorado 11. Zinc ore, Edwards, N.Y. 12. Manganese nodules...Wet Mountains Area, Fremont and Ouster Counties, Colorado By THEODORE J. ARMBRUSTMACHER GEOLOGY AND RESOURCES...in the Wet Mountains area, Fremont and Custer Counties, Colorado. (Geology and resources of thorium in...16:1049-F 1. Thorium oresâColoradoâWet Mountains Region. 2. Earths, RareâColoradoâWet Mountains Region. 3 |  | | Journal (article/letter/editorial) | | Photographs JanuarylFebruary: Copper, Ray, Pinal County, Arizona. Les Presmyk specimen, Jeff Scovil photo...with quartz and albite, Tourmaline Queen mine, San Diego County, California. Houston Museum of Natural...Farncomb Hill, Breckenridge district, Summit County, Colorado. Denver Museum of Natural History specimen...Azurite on malachite ring, Flambeau mine, Ladysmith, Rusk County, Wisconsin. Dan Behnke specimen and... calcite, and chalcopyrite, Sweetwater mine, Reynolds County, Missouri. Marvin Rausch specimen, Jeff |  | | Book (volume) | | SOUTHWESTERN QUADRANT Arizona, Arkansas, California, Colorado, Louisiana, Nevada, New Mexico, Oklahoma, Texas...volumes, through very precise directions and accurate county maps, to get you to the best and most accessible...for the county in which it is located. This site number also appears under the given county in the text...pegmatite, shoreline, quarry, gravel pit, prospect, mine, etc.). Letâs take, as an example, under the heading...heading of Nebraska, on the map of Sioux County, the site x How to Use This Book indicated as number |  | | Journal (issue) | | Dayvault 214 Turquoise from Virginia's Kelly Bank Mine Richard S. Mitchell Howard R . Freeland 219 A...10 c stilbite 15 c Moshaneng banded marble 20 c gem diamonds 25 c chrysotile 35 c jasper 50 c moss quartz...collecting rocks FUI July 15, 1978 4 sh Emperor gold mine and gold ore BRAZIL June 8 1974 40 c sandstone...sandstone cliffs January 13, 1969 40 c Emperor gold mine and gold ore FRANCE July 8, 1975 September 27, 1969...c diamond (cut) December 9, 196 1 10 sh diamond mine and rose diamond TIJRKEY May 18, 1958 25 k Travertines |  | | Journal (issue) | | Dayvault 214 Turquoise from Virginia's Kelly Bank Mine Richard S. Mitchell Howard R . Freeland 219 A...10 c stilbite 15 c Moshaneng banded marble 20 c gem diamonds 25 c chrysotile 35 c jasper 50 c moss quartz...collecting rocks FUI July 15, 1978 4 sh Emperor gold mine and gold ore BRAZIL June 8 1974 40 c sandstone...sandstone cliffs January 13, 1969 40 c Emperor gold mine and gold ore FRANCE July 8, 1975 September 27, 1969...c diamond (cut) December 9, 196 1 10 sh diamond mine and rose diamond TIJRKEY May 18, 1958 25 k Travertines |  | Dehouck, E., Chevrier, V., Gaudin, A., Mangold, N., MathĂ©, P.-E., Rochette, P. (2012) Evaluating the role of sulfide-weathering in the formation of sulfates or carbonates on Mars. Geochimica et Cosmochimica Acta, 90. 47-63 doi:10.1016/j.gca.2012.04.057 | Journal (article/letter/editorial) | | University of Arkansas, Fayetteville, AR 72701, USA c Centre EuropeÌen de Recherche et dâEnseignement...Orbital and landed missions to Mars have revealed complex sulfate- and Fe-oxide-bearing mineralogical assemblages...Our weathered silicate/sulïŹde mixtures showed complex parageneses containing elemental sulfur, hydrated...Hynek, 2005), or ice sheet sublimation residue (Niles and Michalski, 2009). However, although these models...central peaks of several craters (Michalski and Niles, 2010; Wray et al., 2011). The chemical contexts |  | | Journal (issue) | | Identifica- tion card that secures the privileges of many mine s, quarries, clubs, societie s, museums, libraries...Lollie ,\I . /\.'eel; . .......... ..... E CTON MINE, OAKS, P ENN. By C. A. Tho111as ..................rn11.1s T re/o,ir .... ...... . BARE HILLS COPPER MINE OF P.fARYLAND. By Peter Z od.1c . ............ W...SILVER FIRST FO U ND I N NE\X' JERS l·Y IN A (O PP ER MINE ............ .. ... .. ..âą 11AJ Oil THOMAS ART H...; that a very large crowd Jagersfontein Diamond Mine of 1 must br· , cco1ninodated after the five-year |  | | Journal (issue) | | Shipments by mines for 1958, 1959, 1960 B96 Open Pit Mine Production ef 3 Technological ; Advances Tons...Tons mined and stripped & 99 Underground Mine Production from 1955 through 1960 > 101 Geology and...built for heavy off-highway service in construction, mine, quarry and industrial tons For work under large...the 1961 FOR 1960 Blue Ribbon Equipment U. S. MINE Awards Services Supplies REVIEW L. Rice Henry...Office 1791 Howard Street Chicago 26, Illinois Rogers Park 4-3420 seme OF . Sweden U. S. MINING STATES |  | Melwani Daswani, Mohit, Schwenzer, Susanne P., Reed, Mark H., Wright, Ian P., Grady, Monica M. (2016) Alteration minerals, fluids, and gases on early Mars: Predictions from 1-D flow geochemical modeling of mineral assemblages in meteorite ALH 84001. Meteoritics & Planetary Science, 51 (11) 2154-2174 doi:10.1111/maps.12713 | Journal (article/letter/editorial) | | Chicago, 5734 S. Ellis Ave., Chicago, Illinois 60637, USA 3 Department of Environment, Earth and Ecosystems...Sciences, University of Oregon, Eugene, Oregon 97403, USA * Corresponding author. E-mail: melwani@uchicago...through pervasive aqueous alteration. Finally, goethite and magnetite were also found to precipitate in...(see reviews by Ehlmann and Edwards [2014] and Niles et al. [2013]). In situ, they have been detected...al. 1994; Jull et al. 1997; Niles et al. 2005; Valley et al. 1997; Niles et al. 2005; Halevy et al. 2011) |  | | Journal (issue) | | spring in the Bourbeuse River bottom in Gasconade County, Missouri. These and other bones which he collected...substance of this article is as follows: A Gasconade County farmer, while improving his spring, in the Bour...map shows that this location would be in Osage County, 25 miles from the Bourbeuse River. It would be...Ironton, Minnesota, look ing tor agatecs on the mine stripping dumps Hunting not being particularly good...was no mining activity Near a steam shovel at the mine face were several large chunks (a couple of tons |  | | Journal (issue) | | your copy today. It contains a large listing of gem cutting equipment and supplies, jewelry tools, parts...baroque jewelry parts, etc. MAKE YOUR OWN BAROQUE GEM BRACELET Each of the following GEMKITS contains 12...50 aw HILLQUIST COMPACT LAP UNIT Bigger than the Gem-Master cart up toa 10° saw. Saws, grinds, sands,...Pre-Cambrian, when the oldest rocks in the Boulder, Colorado area were formed.ââ Illustrated interesting and...When the hydrated mica, known as vermiculite to the mine ralogist, 1S quickly heated toa temperture of 2 |  | | Book | | Areas and ©ircctoru Cn of American Mineral & Gem Collectors and Collections Together with a ©talersâ...To the Millions of Enthusiastic Mineralogists and Gem Collectors the EWorld Over, I Salute You. Hugh Brown...volume is dedicated is four-fold: (1) To locate by mine, deposit, or community those mineralized areas of...Co. Hematite CALERA, Shelby Co. Wavkllite CLAY COUNTY, Sec. 24. T. 19 S R., 7 E. STATUARY, Coosa Co...Co., (W. border of* Marble Crystalline TALLADEGA COUNTY Marble, (crystalline) VALLEY HEAD, DeKalb Co. Hematite |  | | Journal (article/letter/editorial) | | Oklahoma, 100 E Boyd, Suite 710, Norman, OK 73019, USA a r t i c l e i n f o abstract Article history:...including precipitation from acid-saline lakes or acid-mine drainage, and alteration of rocks in volcanic systems...aqueous oxidation of iron-sulïŹde minerals in acid mine drainage or acid rock drainage (Burns, 1987; Zolotov...heating and sulfate aerosols trapped in ice deposits (Niles and Michalski, 2009). Salts and aerosols in ice...pH 2.5 and begins to break down to form either goethite or hematite â both more thermodynamically stable |  | | Journal (issue) | | Dietrich COVER STORY : Fairfieldite from the Foote mine in Kin!!$ Mountain, North Carolina. Now part of...T. King 182 Collections and Displays- The Funk Gem and Mineral Museum Patricia Carlon 186 Micromounters...Foote Mineral Company spodumene mine at Kings Mountain , Cleveland County, North Carolina consisted of six...detailed maps or subsurface information. Today the complex area of pegmatites has been developed into an open...28012 GENERAL DESCRIPTION The geology of the Foote Mine was described by Kesler ( 196 1). It is part of |  | | Book (edition) | | '7fUdci/te4t « GEM TRAILS ^^em ^ccKteft. TfUnefuU (^Mecto% ^9 JUNE CULP ZEITNER SECOND EDITION...org/details/midwestgemtrailsOOzeit Midwest Gem A Traits Guide for the Gem Hunter, the Mineral Collector and...Oregon Hetpful Books for the Gem Hunter^ THE FOLLOWING BOOKS will Gem Cutter^ Prospector^ and Miaerat...329 S.E. 32nd Avenue, Portland 14, Oregon. ART OF GEM CUTTING â By Dake, (Complete) new 6th edition, 128...types modern gem cutting equipment. Most complete work ever written on modern methods of gem cutting, specimen |  | | Report (issue) | | carbonatite in the Powderhorn district, Gunnison County, Colorado by D. C. Hedlund and J. C. Olson Open-File...carbonatite in the Powderhorn district, Gunnison County, Colorado by D. C. Hedlund and J. C. Olson Introduction...W. Mountjoy. C. G. Angelo, L. M. Lee, and W. W. Niles. Radiochemical Radiometric analyses were by Fluorimetric...Tables 1A, IB, and 1C, Carpenter Ridge quadrangle, Colorado C5130 Thorium vein, Mary Ann claim, in fault...from thorium veins, Carpenter Ridge quadrangle. Colorado [Leaders ( ââ ) ind icate not determined.] Q«i- |  | JĂ€nchen, J., Bauermeister, A., Feyh, N., de Vera, J.-P., Rettberg, P., Flemming, H.-C., Szewzyk, U. (2014) Water retention of selected microorganisms and Martian soil simulants under close to Martian environmental conditions. Planetary and Space Science, 98. 163-168 doi:10.1016/j.pss.2013.06.011 | Journal (article/letter/editorial) | | extreme conditions on Earth and results of new complex models on the development of the Martian atmosphere...Cangalla and Wiegel, 2011) and results of new complex models on the development of the Martian atmosphere...S-MRS is determined by 30 wt% gypsum and 7 wt% goethite (source Salchendorf, Siegerland, Germany) beside...the smectite Ca-montmorillonite (STx, Gonzales County, Texas) has been included in this study as a single...period on Mars (Poulet et al., 2005). Another goethite (source mineralogical collection, Institute for |  | | Journal (issue) | | .... 26 an agate loverâs dream FIelD TrIP Palm Park Barite ...........................................Cross by Robert Beard regular columns Rock & Gem Kids ..............................................this reason, advertisements appearing in Rock & Gem should be considered as requests to inquire, rather...customerservice@beckett.com (800) 764-6278 Rock & Gem (ISSN 0048-8453, USPS 486-290) is published monthly...LLC. POSTMASTER: Send address changes to Rock & Gem, c/o Beckett Media, 4635 McEwen Rd., Dallas, TX 75244 |  | | Journal (issue) | | Southwestern subjects, Southwest Museum, Highland Park, Los Angeles, California. N o v e m b e r museum.... . About Desert Magazine writers 39 Amateur Gem Cutter by LELANDE QUICK . Gems a n d Minerals Just...on even though the going today, in this age of complex living, is still a bit rugged. Side by side Edna...trek from Santa Fe in 1776 was toâ Explore the Colorado river Find a new route to Monterey, California...Yuma Indian reservation Chemehuevi reservation Colorado River Indian reservation 16âThe desert screwbean |  | Wilson, J.H., McLennan, S.M., Glotch, T.D., Rasbury, E.T., Gierlowski-Kordesch, E.H., Tappero, R.V. (2012) Pedogenic hematitic concretions from the Triassic New Haven Arkose, Connecticut: Implications for understanding Martian diagenetic processes. Chemical Geology, 312. 195-208 doi:10.1016/j.chemgeo.2012.04.013 | Journal (article/letter/editorial) | | 11794-2100, USA Department of Geological Sciences, Ohio University, Athens, Ohio 45701-2979, USA National...Brookhaven National Laboratory, Upton, NY 11973, USA a r t i c l e i n f o Article history: Received...grain sizes, and are cemented by hematite and goethite. Optical observations and synchrotron X-ray ïŹuorescence...Brown University, Box 1846, Providence, RI, 02912, USA. E-mail address: janette_wilson@brown.edu (J.H. Wilson)...geologic settings on Earth that contain hematite- or goethite-rich nodules and concretions (e.g., Alagha et |  | | Book (volume) | | rhoColorado; eolorless scheelite (19.66 cc), Kern Cowny, California;...Vivid blue matched benitoite gems from Sai, Benito County, California, consisting of 52 benitoites and 75... His works are known to almost every collector, gem cutter, gemologist, and mineralogist. His writings...newer events to bring the history of North American gem 1nining up to date. Here, then, is the latest, most...of turquoise and peridot, although for the latter gem, much larger facetable rough crystals appear with |  | | Journal (article/letter/editorial) | | Mawrth Vallis region Joseph R. Michalski a,b,â, P.B. Niles c, J. Cuadros b, A.M. Baldridge d a Planetary Science...1700 E. Fort Lowell, Suite 106, Tucson, AZ 85719, USA Dept. of Earth Sciences, Natural History Museum,...75080, USA d St. Maryâs College of California, 1928 Saint Maryâs Road, Moraga, CA 94556, USA b a r t...spectroscopic remote sensing results have revealed a complex, diverse history of aqueous alteration recorded...85719, USA. E-mail addresses: michalski@psi.edu (J.R. Michalski), paul.b.niles@nasa.gov (P.B. Niles), j |  | | Journal (article/letter/editorial) | | Mars provided by the ALH 84001 carbonates Paul B. Niles a,â, Mikhail Yu. Zolotov b, Laurie A. Leshin c a...1573. E-mail address: paul.b.niles@nasa.gov (P.B. Niles). 0012-821X/$ â see front matter © 2009 Published...atmosphere, and possible inïŹuence of life. P.B. Niles et al. / Earth and Planetary Science Letters 286...temperatures, and fCO2 to evaluate the 124 P.B. Niles et al. / Earth and Planetary Science Letters 286...Chalcedony Chrysotile Clinochlore Clinozoisite Goethite Cordierite, hydrous Daphnite,14A Diaspore Diopside |  | Lewis, James M.T., Watson, Jonathan S., Najorka, Jens, Luong, Duy, Sephton, Mark A. (2015) Sulfate Minerals: A Problem for the Detection of Organic Compounds on Mars?. Astrobiology, 15 (3) 247-258 doi:10.1089/ast.2014.1160 | Journal (article/letter/editorial) | | of ferric sulfate hydrate, calcium carbonate, goethite, and quartz were sourced from Sigma-Aldrich. Quartz...the bulk of the sample made up of quartz (40%), goethite (36%), and clay minerals (kaolinite, 10%; illite...of other mineral phases The clay minerals and goethite present in the natural jarosite clay could be...water evolved during heating (Fig. 2). For the goethite standard, oxygen was present at low levels during...scale of the chromatogram. To investigate whether goethite could have contributed significant oxygen during |
|
