 | | Journal (article/letter/editorial) | | Western Washington University, Bellingham, WA 98225, USA; mustoeg@wwu.edu Abstract: For many decades, wood...from Red Hills Lignite Mine, Chocktaw, Missouri, USA. The multilayered architecture of the cell walls...some precious opals from Virgin Valley, Nevada, USA) owe their fragility to relatively high levels of...generally considered to have high temperature origin: tridymite (triclinic) and cristobalite. However, both minerals...of disordered intergrowths of cristobalite and tridymite, later named as opal-CT [17]. The term opal-C |  | | Journal (article/letter/editorial) | | Article Late Tertiary Petrified Wood from Nevada, USA: Evidence of Multiple Silicification Pathways George...Western Washington University, Bellingham, WA 98225, USA; E-Mail: mustoeg@wwu.edu; Tel: +1-360-650-3582 Academic...Permian) [5,7,8], and Petrified Forest, Arizona, USA (Triassic) [9]. The study of very old petrified wood...features include Geosciences 2015, 5 288 the High Rock Caldera Complex [15–17] and the McDermitt Caldera...the Lund Petrified Forest (Figure 1) in the Black Rock Desert [20,21] and the precious opal beds at Virgin |  | | Report (issue) | | Flat Baking Powder Flat Big Smokey Valley Black Rock Desert Buena Vista Valley Buffa lo Va lley Carlin...Survey for muc h of the Western U.S. Sed i me nt, rock, and brine samp les have been collected in many...be prese nted in this report. I Sediment and rock samples were collected in Nevada and analyzed for...Big Smokey Valley 33. Monitor Valley 5. Black Rock Desert 34. Mud Lake I 6. Buena Vista Valley...clay 2 auger hol es in playa 460 59 259 4 tridymite crys toba 1ite quartz fe ld spar calcite ha1ite |  | | Journal (issue) | | TO SEE . • GUIDE SERVICE • RESORTS . . . IN THE DESERT SOUTHWEST SCOTTY'S | | CASTLE DEATH VALLEY HOURLY...adventure and scenic beauty in Ihe gorgeous canyons of Utah and Arizona. Staunch boats, experienced overmen...anytime write to— I. FRANK WRIGHT What is the desert? It is so much more than sand and sun, cactus and...forbidding. What are your interests, for example? Desert attractions run the gamut from just basking in...Fishing, boating and water sports seem alien to the desert until you realize the vast water areas created |  | | Report (volume) | | .............;.................. Miscellaneous desert salts................................................................................ CHAPTER X. Rock-forming minerals................................................................... 516 Phosphate rock. .................................................others are small in quantity and rare. The commonest rock-forming minerals are naturally the more stable compounds...edition. 9 10 * THE DATA OP GEOCHEMISTBY. rock, for example, may be composed .mainly of eight chemical |  | | Report (volume) | | ............................ 234 Miscellaneous desert salts................................................................................ CHAPTER X. Rock-forming minerals. ................................................... 510 512 515 519 Phosphate rock...................................................others are small in quantity and rare. The commonest rock-forming minerals are naturally the more stable compounds...constitution seems to be the prevailing rule. An eruptive rock, for example, may be composed mainly of eight chemical |  | | Report (volume) | | ................................ Miscellaneous desert salts................................................................................ CHAPTER X. Rock-forming minerals................................................................... 492 Phosphate rock...................................................others are small in quantity and rare. The commonest rock-forming minerals are naturally the more stable compounds...present edition. 9 10 THE DATA OF GEOCHEMISTRY. rock, for example, may be composed mainly of eight chemical |  | | Report (volume) | | ................................ Miscellaneous desert salts............................................................................. 511 Phosphate rock...................................................others are small in quantity and rare. The commonest rock-forming minerals are naturally the more stable compounds...constitution seems to be the prevailing rule. An eruptive rock, for example, may be composed mainly of eight chemical...species; and yet only a few of the latter appear in the rock mass. The less stable species rarely occur;. the |  | | Report (volume) | | Bitterns___ Sodium sulphate__ _ ___..__ Miscellaneous desert salts __ Alkaline carbonates Borates __ -Nitrates...Radioactivity __,.____________..________________ CHAPTER X. Rock-forming minerals________________._______ Preliminary...Phosphates __________________________________ Quartz, tridymite,. and opal____________________ _ . The feldspars...Glauconite ___________________________________ Phosphate rock _____ _ _ _____ ______ Ferric hydroxides ______...others are small in quantity and rare. The commonest rock-forming minerals are naturally the more stable compounds |  | | Report (volume) | | ____ Texas.____________________________________ Utah._-________..___-____._-______-____________-_.-_...Texas_____________-________-_____---_----------_________ Utah._______________________________________________________..._____Texas_____________________________________ Utah._______________________________________________________...them without a great expenditure of time. Here the rock analyses are tabulated by locality and the minerals...or by number of atoms in any particular kind of rock or in the earth's crust, in honor of F. W. Clarke |  | | Book (volume) | | Colorado; colorless scheelite (19.66 ct), Kern County, California; octagonal step cut violetish pink...Vivid blue matched benitoite gems from San Benito County, California, consisting of 52 benitoites and 75...Mountains of Utah are to be mined by conventional open-pit methods and the enclosing rock crushed and...periodical literature, especially in Rocks & Minerals, Rock & Gem, Lapidary Journal, The Mineralogical Record...Cantlin, Ellis, [D; Jeannette B. Carillo, Gem Center USA, EI Paso, TX; Gary Christopher, The Prospectors Cache |  | | Book | | .............. Types of agate depending on host rock ................................ Conclusions . ...result opaque. It is also said that jasper is a rock consisting of microcrystalline quartz rendered opaque...of quartzites as avventurine, which is a granular rock mainly composed by quartz grains. The following...Consequently, flints are mostly white, gray or black, as an effect of the organic matter contained in...and the flintlock are varieties of flint, usually black. Nodules are formed in two ways: the first being: |  | | Journal (issue) | | FISH -ORANGE/ BLACK FISH-RED ,. FISH-YELLOW / BLACK/WHITE s· 8" Fish-Orange/ Black FISH-ORANGE/...FISH-ORANGE/ BLUE ,. FISH-BLACK / ORANGE e· 6" ------------------- ------------------- SUNGEM 1185 Linda Vista...off the press. It should be available through your rock sho1 :nail-order supplier or bookstore, or .J1der...Hard-toflnd material with small White spots In black background. $1 .95 lb., 5 lb/8.75. PLUMEAGATE-...with first orde< or FREE with $15.00 order. B& J ROCK SHOP Dept. G &20 C1aymond &t. Dr, Ballwln, MO '3011 |  | | Book | | L., “Notes on Some Mining Districts in Humboldt County, Nevada”, USGS B 414 (1909). S • Science. SLMR...o/'Nevada Section One —Mining Districts CHURCHILL COUNTY ALPINE (Clan Alpine) Gold, Silver, (Molybdenum)...of the Clan Alpine Range is composed of granitic rock, according to Mallery, while sedimentary rocks form...Disseminated pyrite and sphalerite extend into the wall-rock. Mines. The Broken Hill Silver Corp., was incorporated...PERSHING COUNTY COTTONWOOD CANYON see TABLE MOUNTAIN Location. DESERT (White Plains) Gold The Desert District |  | | Book (edition) | | state and characteristic features shown in many black-and-white and color illustrations, over 100 in all...from the Tourmaline Q ueen .1ine, Pala, San Diego County, California. From a pen-and-ink drawing by W. E...of tourmaline crystal forms 38. Map of San Diego County, California gem sources 3 9. Stewart Lithia· and...Colorado 49. Amatrice mine, Utah 5 0. \'!"ariscite rough, A ma trice mine, Utah 51. Jade hunting, Fraser...View of Clear Creek, San Benito County, California 55. Monterey County jade-producing shoreline, California |  | | Report (issue) | | 31 University of Nevada Press, Reno, Nevada 89557 USA Copyright © 2004 by University of Nevada Press Photographs... Majuba Hill Mine, Antelope district, Pershing County. N. Prenn collection. Photograph by J. Scovil....Goodsprings (Yellow Pine) Mining District, Clark County John C. Kepper 91 References 467 Contributors...Humboldt County and the crystalline quartz collecting area on Petersen Mountain in Washoe County, permission...Wahmonie district in 1846, and it is probable that hard-rock metal mining by Mormon settlers beginning in 1855 |  | | Book | | The Rock-Hunter's Range Guide Petrified Forest Trails Arizona Gem Trails and the Colorado Desert of California...Ransom EMS of and MINERAL AMERI A A Guide to Rock Collecting HARPER & ROW, PUBLISHERS ....... New...form in A Range Guide to Mines and Minerals and The Rock-Hunter's Range Guide, both by Jay Ellis Ransom....Foreword xi xiii Part I: The Fundamentals of Rock Collecting 1. Rocks, Minerals, and Gemstones 1...Serpentines; The Metamorphic Rocks; Metamorphic Rock Types; Collectable Metamorphic Gemstones and Minerals; |  | | Report (volume) | | described. Div. Mines, 1; Jenkins, O. P., Choctaw County, Highway 17 area: 3. Toulmin, L. D., Jr., 3. Minor:...analysis: KelH. D., 5. ler, W. D., 3. Talladega County, hematiteOklahoma, potash agstone, granite magnetite...ground water: Powham, C. E. ell, W. J., 4. Marengo County: Newton, J. G., 1. Core-drilling program, ChattanooMica:...J.,4. Excursion, Tertiary type-localiMontgomery County: Reade, ties: Rainwater, E. H. , 1. H. L. , Jr...gas: Jones, W. B., 1, 3. Toulmin, L. D., Jr., 5. Black Warrior basin: Welch, Geologic sections, study, |  | | Book | | salt- of the Nile Delta, 119 Salt-pans of the Black Sea coast, 120 Other salt-pans 122 Sea shore salt-pan...the salt of the Lop plain, 171 The Kavir (Kewir) desert Characteristics of deserts in large continents...liquor salts in desert dedrifting sands and dust, 175 Gypsum and anhydrite in desert salt deposits, 175...posits, 175 Limestone deposits in association with desert salt beds, 179 Secondary development of salt deposits...The Great Salt Lake of Utah, 183 Comparison of analyses, 184 Sevier Lake, Utah, 187 Salt lakes or Lagunas |  | | Book (edition) | | largest groups of new terms have been U.S. county names; rock-formation names (mostly North American);...granite-granodiorite family was eliminated. Many specific rock types which had been autoposted narrower terms under...These include local geographic terms, U.S. county names, rock-formation names, and fossil names. Indexing...more than 12. The same applies to North American rock-formation names mentioned in the indexed literature... is the GeoRef term for the sedimentary rock; the same rock, when discussed as an economic commodity |  | | Report (volume) | | the gold lodes of the Carrville district, Trinity County, Cal., by D. F. MacDpnald........................Notes on the northern La Sal Mountains, Grand County, Utah, by J. M. Hill. Survey publications on gold...F. L. Hess.......... Carnotite near Green River, Utah, by F. L. Hess......................... Zirconiferous...Gypsum along the west flank of the San Rafael Swell, Utah, by C. T. Lupton................................................. 267 Some further discoveries of rock phosphate in Montana, by J. T. Pardee.. 285 Survey | | | Report (issue) | | 3i University of Nevada Press, Reno, Nevada 89557 USA Copyright© 2004 by Uni versity of Nevada Press Photographs... Majuba Hill Mine, Antelope district, Pershing County. N. Prenn coJlection. Photograph by J. Scovil....Goodsprings (Yellow Pine) Mining District, Clark County John C. Kepper MINERAL CATALOG 91 121 Gregory...Hurnbo ldt County and the crystalline quartz collecting area on Petersen Mounta in in Washoe County, permission...Wahmonie district in 1846, and it is probable that hard-rock n1etal mining by Mormon settlers beginning in 18 |  | | Report (issue) | | North Dakota Oklahoma _ South Dakota Texas ______ Utah _____ Wyoming ___ Western region. Arizona _. California..._______ Geophysics ___________________________ Rock magnetism _______ _______________ Geomagnetism ...studies of the Square Butte Wilderness Area, Choteau County, Montana Studies by M. D. Kleinkopf of the large...post-Laramide igneous intrusive and to additional magnetic rock that may have intruded a basement weakness under...Area generally delineate two intrusive bodies of rock lying partly within the designated wilderness area |  | | Report (volume) | | North Dakota Oklahoma _ South Dakota Texas ______ Utah _____ Wyoming ___ Western region. Arizona _. California..._______ Geophysics ___________________________ Rock magnetism _______ _______________ Geomagnetism ...studies of the Square Butte Wilderness Area, Choteau County, Montana Studies by M. D. Kleinkopf of the large...post-Laramide igneous intrusive and to additional magnetic rock that may have intruded a basement weakness under...Area generally delineate two intrusive bodies of rock lying partly within the designated wilderness area |  | | Book (edition) | | the total of 4,284 new Terms were United States county and city Terms. Counties and Cities in the United...States Earlier editions had Terms such as Washington County and Portland for counties and cities of the United...for example: Washington County Arkansas and Portland Maine. Each new county Term can now autopost its...to counties was a major task. The scope of U.S. county and city Terms can now be clear even when they...weathering (1). If used on level 1, Term set options are: rock group (carbonate rocks, chemi¬ cally precipitated |
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