 | | 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) | | Associated Carbonatites of the Gem Park Complex, Custer and Fremont Counties, Colorado GEOLOGICAL SURVEY PROFESSIONAL...ASSOCIATED CARBONATITES OF THE GEM PARK COMPLEX, CUSTER AND FREMONT COUNTIES, COLORADO S a n g re d a C r...,,'*^ ,,' -aCr* Gem Park, Colo. View northwestward from Democratic Mounta GEM MOUNTAIN Sawatch Range...-Cbtrfplex ving pyroxenite and gabbro of the Gem Park Complex. -« "*» +** 4ifa. Mafic-Ultramafic Igneous...Associated Carbonatites of the Gem Park Complex, Custer and Fremont Counties, Colorado By RAYMOND L. PARKER and |  | | 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 ores—Colorado—Wet Mountains Region. 2. Earths, Rare—Colorado—Wet Mountains Region. 3 |  | | Report (volume) | | ............................................. Colorado.................................................especially from those of Arkansas, California, Colorado, New Mexico, Oregon, South Dakota, Tennessee,...minerals and rocks, their occurrence and uses: Colorado State Geol. Survey Bull. 6, 1913. 8 USEFUL...See Bauxite and Halloysite. Asbestos. Tallapoosa County, with corundum deposits near Dudleyville; not found...commercial quantity or quality. Asphalt. Colbert County, small quantity has been shipped from near Leighton; |  | | Report (volume) | | A. F. Rogers, Stanford University, Palo Alto. Colorado.........Prof. R. D. George, Boulder. Connecticut...See Bauxite and Hallpysite. Asbestos. Tallapoosa County, with corundum deposits near Dudleyville; not found...commercial quantity or quality. Asphalt. Colbert County, small quantity has been shipped from near Leighton;...following localities: Bibb County, Pratts Ferry; Calhoun County, near Tampa; Clay County, T. 20, Pv. 7 E.; Jefferson...Jefferson County, at Elyton; Lee County, at Chewacla lime works; St. Clair County, at Gfeensport; Shelby |  | | 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 |  | | 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 — By Dake, (Complete) new 6th edition, 128...types modern gem cutting equipment. Most complete work ever written on modern methods of gem cutting, specimen |  | | 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 |  | | Journal (issue) | | .... 26 an agate lover’s 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 |  | | Report (volume) | | Mineral Deposits of the Miners Gulch Area, Granite County, Montana Gold Placer Deposits and a Molybdenum...Area, Granite County, Montana Colluvial Gold Placers Near Miners Gulch, Granite County, Montana Geology...Mineral Deposits of the Miners Gulch Area, Granite County, Montana A. Gold Placer Deposits and a Molybdenum...Molybdenum Anomaly in the Miners Gulch Area, Granite County, Montana By JEFFREY S. LOEN, MICHAEL J. BLASKOWSKI...Colluvial Gold Placers Near Miners Gulch, Granite County, Montana By JEFFREY S. LOEN This volume is published |  | | 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 |  | | 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 ( —— ) ind icate not determined.] Q«i- |  | | Report (issue) | | 1886. RICHARDSON, G. B. Native sulphur in El Paso County, Tex. In Bulletin No. 260, pp. 589-592. 1905. ROTHWELL...J. E. Alum deposit, near Silver Peak, Esmeralda County, Nev. In Bulletin No. 225, pp. 501-502. 1904. 490...metalliferous ores in, work on.......... 10 Adams mine, N. C., description of........ 416-417 Arkansas...Barbara sand-lime brick making in, work on.. 250-258 County, Cal................ 438-440 Alabama-Virginia Iron......................... 23,215-223 Baldauf No. 1 mine, Pa.; shale at........... 337 Alunogen, analyses |  | | Journal (issue) | | Sylvanite, Colorado. Minutely xld. in rock . 2x2 ........... .. . .•. . . • 3.50 Altaite, Colorado. W . Tellurium...attractive. . ............ . 10.00 Ge ntftite, Wood's Mine. Pa. With Zaratite coating rock. 3x2. . ...... ...6 A RECENT FORMATION OF CALCITE IN AN ABANDONED MINE. By A lbert L. K idu·e/1 ...........................................15 COLLECTI NG NEAR TURRET, COLORADO. By Gu; B. Ellenneier ............16 TWO WORLD...the one cut in hornblende schist in Inwood Hill Park could be explained by a very minor recent ri e in |  | | Report (issue) | | Cientlfico-Tecnica, C1985. 203 (391) C667 1985 D only Dane County, WI, demonstration disc [computer file] digital...Santa Clara County, California environmental geology : selected references. [Menlo Park, Calif.] : U...Arizona, California and Nevada [computer file]. Menlo Park, Ca : U.S. Geological Survey, [1990] (200) R29o...Un28g Antarctic 1989 AQUIFERS FLORIDA VOLUSIA COUNTY. Phelps, G. G. Geology, hydrology, and water quality...quality of the surficial aquifer system in Volusia County, Florida. Tallahassee, Fla. : U.S. Geological Survey |  | | Journal (article/letter/editorial) | | 02138 The Pennsylvania State University University Park Pennsylvania 16802 OXFORD l PERGAMON PRESS LONDON...1085-1099 Norton County, 27: 939-947 Norton County, Br analysis, 29: 470 Norton County, Cl an&y&s, 22:...22: 478 Norton County, lanthanids pattern, 20: 242243, 244-245 Norton County, organic oompounds snalysed...snalysed, 27:805-834 Norton County, tantalum in, 29: 46 oxygen isotopes in minerals, 22: 492 Pasamonte, Ca isotopes...carbonaceous chondrite, 24: 70-82 pelecypod, Wilcox County, hydrocarbon content, 30: 1139, 1141 shale, Bessemer |  | | Report (volume) | | New York. Colorado College Publications: Science series, vol. 12, nos. 10, 11. Colorado Springs, Colo...Colo. Colorado Geological Survey: Bulletin 3. Denver, Colo. Colorado School of Mines Magazine, vol.. 2... Colo. Colorado Scientific Society: Proceedings, vol. 10, pp. 123-210. Denver, Colo. Colorado, University...Bulletin, nos. 19, 21. Hartford, Conn. Delaware County Institute of Science: Proceedings, vol. 6, nos...Olympia, Wash. West Virginia Geological Survey: County reports Doddridge-and Harrison counties. Morgantown |  | | Journal (issue) | | - JEWELRY CRAFT - GEM CUTTING - MINERALS NOW AVAILABLE IN IIOIT ITAIDAID SIZES AND VARIOUS IIETALI...(Reeular $80.00) NOW ONLY $36.7f TANZANITE f ACET CUT GEM~ P: ~:P:S. paper contalmne 128 we were luc~ to...s. We WIii send some of uslnr the ~ carv~d into gem novelties you do eem carvings her!'~•mum 1dvant1ee... PINK TOURMAUNE · FACET GRADE Flawless lumps of GEM PINK TOURMA· Here is one you just neveti . rn,seelly·...various wef~TRINE - M961-25 Contains at least 30 less gem. THE ENTIRE ~df~l°::NL~ch will cut a flaw• ■ DEPT |  | | Journal (issue) | | JEWELRY CRAFT - GEM CUTTING - MINERALS ~------------------------------------------------· i w @TIRmrr:D@~...instruments add a new dimensio1i to your· hobby ! STANDARD GEM DETECTOR lowest priced gemological microscope, developed...Lea·r n the professional way th1·ough GIA LEARN GEM IDENTIFICATION GIA DIAMOND GRADER Finest instrument...HOME STUDY COURSE NOW AVAILABLE Now, you can study Gem I dentification at home under the direct supervision...available without charge. Your course includes practical Gem Identification practice using more than 200 stones |  | | Report (issue) | | that one of these regional 1ibraries, Denver, Menlo Park, or Flagstaff, is the sole holder of an item: 210(252)... and on the Defek intrusion, Antarctica. [Menlo Park, Calif.] : U.S. Geological Survey, [1987] (200)...layered mafic intrusions in the United States. [Menlo Park, CA] : U.S. Geological Survey, [1986] (200) R29o...mafic-ultramafic intrusions in Scandinavia. [Menlo Park, CA] : U.S. Geological Survey, [1987] (200) R29o...Kingston Range Wilderness Study Area, San Bernardino County, California. (200) E no.!709-D Washington, D.C |  | Cloutis, Edward A., Mann, Paul, Izawa, Matthew R.M., Applin, Daniel M., Samson, Claire, Kruzelecky, Roman, Glotch, Timothy D., Mertzman, Stanley A., Mertzman, Karen R., Haltigin, Timothy W., Fry, Christopher (2015) The Canadian space agency planetary analogue materials suite. Planetary and Space Science, 119. 155-172 doi:10.1016/j.pss.2015.09.001 | Journal (article/letter/editorial) | | Stony Brook University, Stony Brook, NY 11794-2100, USA e Franklin & Marshall College, Department of Earth...Earth and Environment, Lancaster, PA 17604-3003, USA f Canadian Space Agency, John H. Chapman Space Centre...Mafeking, MB Gypsumville, MB Gypsumville, MB Uley Mine, S. Australia Apache Co., AZ Synthetic Tablelands...Altered basalt Pseudotachylite Norbestos, QC Jeffrey Mine tailings, QC Normandie tailings, QC East Broughton...QC Geysir, Iceland Waiotupu, New Zealand Blomidon Park, NS Gypsumville, MB sed/alt sed/alt sed/alt sed/alt |  | Usui, Tomohiro, Alexander, Conel M. O'D., Wang, Jianhua, Simon, Justin I., Jones, John H. (2015) Meteoritic evidence for a previously unrecognized hydrogen reservoir on Mars. Earth and Planetary Science Letters, 410. 140-151 doi:10.1016/j.epsl.2014.11.022 | Journal (article/letter/editorial) | | Association, 3600 Bay Area Blvd., Houston, TX 77058, USA c Department of Terrestrial Magnetism, Carnegie Institution...Broad Branch Road, NW, Washington, DC 20015-1305, USA d Center for Isotope Cosmochemistry and Geochronology...Code KR111, 2101 NASA Parkway, Houston, TX 77058, USA e Astromaterials Research & Exploration Science Directorate...Code KR111, 2101 NASA Parkway, Houston, TX 77058, USA b a r t i c l e i n f o Article history: Received...Ma for LAR06) (Christen et al., 2005; Nagao and Park, 2008; Nyquist et al., 2001; Shafer et al., 2010; |  | | Report (volume) | | anonymous papers, placed at the end of Part I Co. county cos. · counties CORPORATE AUTHORS. Am G American...95; Prouty, 09, 12; Smith (E A), 76a; Labausage mine: Evans (A W), 09. Raccoon Mountain field: Gibson...Mountain: Aldrich (jr), 08 Talladega Co., Gold Log mine: Bastin, 16a Granites: Watson, 10 Iron: Chauvenet...Peninsula: Grant (U S), 09b, lOs Kennicott Bonanza mine: Storm, 10 Ketchikan and Wrangell districts: Wright...Mertie, 17 Treadwell district: Hershey, 11 Treadwell mine, Douglas Island: Adams (F D), 89; Dawson (G M), |  | | Journal (article/letter/editorial) | | J. Janda, of the U. S. Geological Survey, Menlo Park, for collecting two of the samples. Potassium analyses...mean of preferred values reported by Stevens and Niles (I960). TABLE 2. NEW ANALYTICAL DATA FOR POTASSIUM-ARGON...glauconite, microcline, sanidine, leucite and phlogopite: Am. Jour. Sci., v. 258, p. 583-604 Evernden...Origin of Rock Creek and Owens River gorges, Mono County, California: Univ. Calif. Pub. in Geol. Sci., v...Bull., v. 74, p. 1079-1086 Stevens, R. E., and Niles, W. W., 1960, Chemical analyses of the granite and |
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