 | | Journal (article/letter/editorial) | | Figure 1: View of the Crystal Mountain district, looking west. Crystal Mountain is in the center background...from the Pegmatites of the Crystal Mountain District LARIMER COUNTY, COLORADO MARK I. JACOBSON 1350 E .... Easter Avenue Littleton, Colorado 80122 B L U E A P A T I T E C R Y S T A L S , purpurite, chrysoberyl...collected in the Crystal Mountain district. This is one of the few pegmatite districts in Colorado where nei...wishing to make significant con tributions to pegmatite mineralogy and geology. One pur pose of this |  | | Report (volume) | | Pegmatites of the Crystal Mountain District, Larimer County, Colorado GEOLOGICAL SURVEY BULLETIN 1011...1011 Pegmatites of the Crystal Mountain District, Larimer County, Colorado By WILLIAM R. THURSTON GEOLOGICAL...---------------------------------------History of mining-_-_--___--__-----------.----__-----------_-_ Previous...Front Range.-___________-Geology of the Crystal Mountain district----------------..---.--Country rocks ______-_---__--_-...-___-_-_._____-_ Mineral resources of the Crystal Mountain district___________________ Descriptions of |  | | Journal (article/letter/editorial) | | cm long), Beebe Hall, McCain Valley, San Diego County, California. Cal and Kerith Graeber specimen; Jeffrey...is a beryllium aluminum silicate with hexagonal crystal symmetry. Its typical shape is an elongated six-sided...elongated crystals that are rooted in the microcline-plagioclase-quartz wall zone Downloaded by [] at 04:12...feature some of the finest aquamarinesfound in Colorado and other areas of the United States. Aquamarine...mineral at this year’s show, but it is also the Colorado state gemstone, having earned that distinction |  | | 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 |  | | Book (volume) | | (25.56 ct), Sweet Home Mine, Colorado; colorless scheelite (19.66 ct), Kern County, California; octagonal...Vivid blue matched benitoite gems from San Benito County, California, consisting of 52 benitoites and 75...Dosen ONN/ QBI96-40247 Trade Distribution by Mountain Press Publishing Company P.O. Box 2399, Missoula...events to bring the history of North American gem mining up to date. Here, then, is the latest, most complete...and interviews with persons actively engaged in mining gemstones. Pertinent references are furnished throughout |  | | Report (issue) | | GEOLOGY AND MINERAL RESOURCES OF SAN DIEGO COUNTY, CALIFORNIA By F. HAROLD WEBER JR., California...parts of several sections, by R. M. Stewart COUNTY REPORT California Division of Mines Ferry Building...CAMPBELL, Director AND GEOLOGY State Geologist COUNTY REPORT ^ Price $8.00 3 CONTENTS Page ABSTRACT...Lakeview Mountain tonalite Lake Wolford leucogranodiorite Woodson Mountain granodiorite Indian Mountain leucogranodiorite...__ Roblar leucogranite Other intrusive bodies Pegmatite and aplite dikes Economic significance __ ____ | | | 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...and interviews with persons actively engaged in mining gemstones. Pertinent references are furnished throughout... most likely in Canada. Systematic large-scale mining of sapphire-bearing gravels in Montana is beginning...operators, Morefield Mine, Amelia, VA; Max & Suzy Berchtold, Royal Rainbow Mine, Laytonville, CA; Ralph |  | | Book | | P. Blake, professor of mineralogy, geology and mining at the College of California, parent to the University...California, and published in the fourth and sixth State Mining Bureau reports. Then beginning in 1914 with a volume...project, and who also prepared the majority of the crystal drawings for publication. H. Earl Pemberton Lake...Nevada and the Klarnath Mountains provinces. These mountain regions , together with the Basin Ranges and Mojave...are reported by county of occurrence. Map 1-2 shows the county boundaries and county names. When possible | | | Book | | P. Blake, professor of mineralogy, geology and mining the at College of California, parent to the...mineralogist of California, and pub- and sixth State Mining Bureau reports. Then beginning volume prepared...support for also prepared the majority of the crystal drawings for publication. H. Earl Pemberton ...Nevada and the Klamath Mountains provinces. These mountain regions, together with the Basin Ranges and Mojave...species are reported by 1-2 shows the county boundaries and county names. When possible, locations of mines |  | | Report (issue) | | Pumice, pumicite, and perlite pyrites Quartz crystal (7) 41 59 61 64 66 80 83 85 109 111 116 118 121...and Chemical Corporation near Salinas, Mimtercy County 224-225 Aerial photo showing sea-water chemical...Calaveras County. li, Photo showing Permaneute Cement Company plant, Permanente, Santa Clara County _ A, Photo...Sonora, Tuolumne County. /?, Photo showing Foucii-Tlioinpsdn pumice pit. Siskiyou County Aerial photo showing...showing view east toward clay pits at Lincoln, Placer County Photo showing Kaiser Steel Corporation's blast |  | | Journal (volume) | | Third Floor, Ferry Building, San Francisco 11 District Offices State Building, 217 West 631 J Street...thousand books and scientific journals on geology, mining, mineralogy, chemistry, metallurgy, and related...devoted to the petroleum and mining industries, and newspapers from the mining centers of the state exhibits...exhibits of minerals, rocks, mine models, etc. a service laboratory for the determination of California minerals...minerals and a conference room with a mining engineer in attendance to serve the public and to sell publications |  | | Journal (volume) | | Logan, District Mining Engineer O. McK. Laizure, District W. Burling Tucker, Reid J. Mining Engineer...Engineer District Sampson, Assistant Mining Engineer District Engineer Ohas. V. Averill, District Mining...Junior Mining Engineer (Librarian) San Francisco TABLE OF CONTENTS Page REPORTS OF DISTRICT MINING...Field District Sacramento Field District San Francisco Field District Los Angeles Field District 8 Miner...Miner al Resources of San Diego County 56 GEOLOGIC BRANCH 56 Current Notes Geology and Oil Possibilities |  | | Book | | are Crystals? Crystal Habits 20 22 Phosphates, Vanadates, and Arsenates 147 Crystal Systems Gems ...profile information (including illustration of crystal system in mineral entries) MINERALS | CARBONATES...o p q vitreous lustre 3.8 KEY rhombohedral crystal PROFILE Monoclinic 4 m n o p q name of mineral...vitreous lustre blocky, azure blue crystal Spectacular crystal This group of rhodochrosite rhombohedrons...quartz crystals. VARIANTS Bladed crystal A single, bladed azurite crystal Tabular crystals Thin, parallel | | | Book | | Vanadates, and Arsenates 147 Crystal Systems What are Crystals? Crystal Habits Gems Silicates 166...profile information (including illustration of crystal system in mineral entries) name of mineral or...chemical composition and a distinctive internal crystal structure. Most minerals are formed inorganically...composition and are both iron sulfide, their differing crystal structures make them different minerals. rosette-shaped...activity. Rhyolite is made up:of crystals of high-silica minerals. ELECTRICAL CHARGE AND COMPOUNDS A mineral |  | | Report (issue) | | .A. Wright______________________ -1:;3 Quartz crystal ( electronic grade), by Lauren A. Wright __ __...the general public for whose ultimate good the mining industry exists. Respectfully subnutted, DE\\TrrT...mineralogy, general geolog~-, occurrences in California, mining methods, treatment, utilization, marketing, and...physical features. Group I includes t hree great mountain areas-the . ierra XeYacla, the Klamath ~Iountains...in the eYolution of the geologic past. ...\.s mountain areas. they gave source to 8ediments which filled |  | Kogel, Jessica Elzea, Trivedi, Nikhil C., Barker, James M., Krukowski, Stanley T. - Eds. (2006) Industrial Minerals and Rocks (7th ed.) Society for Mining, Metallurgy, and Exploration, Inc., Littleton, CO. | Book (edition) | | © 2006 by the Society for Mining, Metallurgy, and Exploration. All rights reserved. Electronic edition...edition published 2009. © 2006 by the Society for Mining, Metallurgy, and Exploration. All rights reserved...edition published 2009. © 2006 by the Society for Mining, Metallurgy, and Exploration. All rights reserved...for Mining, Metallurgy, and Exploration, Inc. (SME) 8307 Shaffer Parkway Littleton, Colorado, USA 80127...763-3132 www.smenet.org Copyright © 2006 Society for Mining, Metallurgy, and Exploration, Inc. Eletronic edition |  | | Book | | Properties 20 Where Gemstones are Found 24 Mining Gemstones 26 Cutting Gems 28 Polishing and...the mineral, the result is the formation of a crystal. Transparent gems, such as BEAUTY The first quality...such as obsidian and some organic gems, have no crystal structure. gemstones, so that in the finished...dissolved in freshwater or seawater. Alabaster, topaz crystal This diagram illustrates the processes by which...processes. ; staurolite ironstone concretion crystal pegmatite — TOPAZ IN IGNEOUS ROCK Gems in different |  | | Book | | textbook; If emphasizes chemical relationships and crystal structures with some introduction to rocks and...Solutions 36 Crystals 38 Crystal Systems Twinned 44 Crystals 46 Crystal Habit Imperfections in...Crystals 50 Crystal Inclusions 52 Properties of Minerals Determination of Crystal Structures 59...used today to classify minerals. The internal crystal structure of minerals, however, could only be guessed...mineralogists with the tool they needed to study crystal structures, but it was not until 1912 that Max |  | | Journal (volume) | | Third Floor, Ferry Building, San Francisco 11 District Offices State Building, 217 West First Street...thousand books and scientific journals on geology, mining, mineralogy, chemistry, metallurgy, and related...devoted to the petroleum and mining industries, and newspapers from the mining centers of the state exhibits...exhibits of minerals, rocks, mine models, etc. a service laboratory for the determination of California minerals...minerals and a conference room with a mining engineer in attendance to serve the public and to sell publications |  | | Report (volume) | | ; Garland Peyton, director, division of mines, mining, and geology, department of natural rnsources,...the generous support of thousands of individual mine operators, distributors, and consurnors, as wdl...Bituminous-coal mining suffered the largest increase in its fotulity rate, mainly because of a series of mine disast;ars...Govnr.mn ('.nt C(lncern eel with d ofcnst~. 'l'ho Mining u.n...strategic 1ni1rnrnlH from Ln.tiu A..merica four mining engineers of the Bureau o_f l\,1itH>H hu.ve bee |  | | Journal (volume) | | thousand books and scientific journals on geology, mining, mineralogy, chemistry, metallurgy, and related...devoted to the petroleum and mining industries, and newspapers from the mining centers of the state exhibits...exhibits of minerals, rocks, mine models, etc. a service laboratory for the determination of California minerals...minerals and a conference room with a mining engineer in attendance to serve the public and to sell publications...mineral resources, mineral industry, geology, and mining operations of California is distributed to the |  | | Journal (article/letter/editorial) | | Foliation 403 Lineation 404 Contact zone 406 Pegmatite and aplite 407 Kinsman quartz monzonite 408 Late...Chemical analyses of potash feldspar, Love well Mountain quadrangle, New Hampshire 412 8. Chemical analyses...outcrop along a nearly continuous belt from Grantham Mountain, at the north end of the quadrangle, to a point...essential minerals are bluegreen hornblende and plagioclase (andesine or labrodorite) in approximately equal...the volcanics rest. On the east slope of Croydon Mountain, where the rocks have been only mildly folded |  | | Book (volume) | | Nadowessioux Indians USE Dakota Indians Naeba Mountain (Nagano-ken and Niigataken, Japan) UF Naeba-san...(Nagano-ken and Niigata-ken, Japan) USE Naeba Mountain (Nagano-ken and Niigata-ken, Japan) Naeba-yama...(Nagano-ken and Niigata-ken, Japan) USE Naeba Mountain (Nagano-ken and Niigata-ken, Japan) Naebasan (Nagano-ken...(Nagano-ken and Niigata-ken, Japan) USE Naeba Mountain (Nagano-ken and Niigata-ken, Japan) Naebayama...(Nagano-ken and Niigata-ken, Japan) USE Naeba Mountain (Nagano-ken and Niigata-ken, Japan) Naeff family |  | | Book | | Sedimentology; Blackwell Sci. Publ.: Hoboken, NJ, USA, 1990; 482p. Morad, S.; Al Suwaidi, M.; Mansurbeg...Diagenesis: Recent and Ancient; Blackwell: Hoboken, NJ, USA, 2009. James, N.P.; Jones, B. Origin of Carbonate...Carbonate Rocks; John Wiley & Sons: Hoboken, NJ, USA, 2015. Swart, P.K. The geochemistry of carbonate diagenesis:...cementation produced firstly by barite and secondly by silica, following the sequence opal, lussatite, chalcedony...and percolating meteoric fluids. The presence of silica stalactites, illuviation, and geopetal structures |  | | Journal (article/letter/editorial) | | velocity (u) for: (1): Quartz single crystal (Wackerte 1962); (2): Silica glass (Wackerle 1962); (3): Sandstone...procedure is very similar to those used in single crystal (e.g. Schneider and Hornemann 1976) and powder...Gregson 1964). iii) Silica glass: Po = 2.20 g/cm 3, (Wackerle 1962). iv) Quartz single crystal: po=2.65 g/cm...deformed by the shock event as are tectosilicates and silica, it is believed that milling of quartz should produce...to the explosive deformation. 60 A no single crystal quartz 3o : 2,65 Q'- 50' porous quartz 40, |
|
