 | | Journal (article/letter/editorial) | | BEYERITE FROM COLORADO* E. Wru. IferNnrcrr, Unioersity of Michigan, Ann Arbor, Michigan. Ansrnacr Bismutite...pegmatites in colorado and northern New Mexico. rn three pegmatites in south-central colorado (Mica Lode...school section deposits, Fremont county, and Meyers Ranch body, park county) beyerite is intergrown with...writer examined pegmatite deposits in south-central colorado for the Geological Survey, united states Department...been recorded (Heinrich, 1946). Field work on Colorado pegmatites was resumed in the summer of 1946 under |  | | Journal (article/letter/editorial) | | Bernardino County, California and also in pegmatites north of the Reagan mining district, Nevada. FLUORIDES...earth type of pegmatite as at Barringer Hill, Llano County, Texas where large masses weighing up to four hundred...found in the Gem Mines region north of Florissant, Colorado; green cubes and cubo-octahedrons to four inches...octahedral crystals have been collected at Mt. Antero, Colorado; where also the first octahedral twinned crystals...St. Peter's Dome near Pike's Peak, El Paso County, Colorado. CRYOLITE, a fluoride of sodium and aluminum |  | | Journal (article/letter/editorial) | | NOTES ON SOME MINERAL OCCURRENCES IN THE GUFFEY REGION, COLORADO* Jeuos E. Bnven, []niversity of Michigan...Michigan. The Guffey region is an area of about 125 square miles in north-central Fremont County and southeast...southeast Park County in the Front Range of central Colorado. Its center is 34 miles by road northwest of...which is about 1 mile west-northwest of the Meyers Ranch pegmatite describedby Hanley et al. (1950, pp...The other minerals of the gneiss are qtartz, muscovite, biotite, sillimanite, microcline and plagioclase |  | | Book (edition) | | MILEAGE L OGS. REVISED EDITION Revised Edition, COLORADO GEM TRAILS AND MINERAL GUIDE HICllAHD :--1. PEARL...an extensive ¥em and mineral collecting tour 01 Colorado, revealing the interesting places where Nature...Swallow, Publisher) 2679 South York Street Denver, Colorado 80210 - , =· - ·, BOOKS BY RICHARD M. PEARL...PEARL Exploring Rocks, Minerals, Fossils in Colorado America's Mountain: Pikes Peak and the Pikes Peak...Atlas of Colorado American Gem Trails Nature As Sculptor: A Geologic Interpretation of Colorado . Scenery |  | | Book (edition) | | — _ ; COLORADO GEM TRAILS AND MINERAL GUIDE ! ■ : ' BOOKS BY RICHARD M. PEARL Colorado Gem Trails...Trails and Mineral Guide Colorado Rocks, Minerals, Fossils America’s Mountain: Pikes Peak and the Pikes...Nature As Sculptor: A Geologic Interpretation of Colorado Scenery Guide to Geologic Literature Popular Gemology...Gemology Mineral Collectors Handbook Colorado Gem Trails The Art of Gem Cutting (With Dr. H. C. Dake)...Dake) * RICHARD M. PEARL ★ COLORADO GEM TRAILS AND MINERAL GUIDE ★ SKETCH MAPS BY MIGNON WARDELL PEARL |  | | 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 |  | | Journal (article/letter/editorial) | | columbite is related to a particular pegmatite district, its paragenetic position, and the presence of...discovery, at the Mica Lode pegmatite in Fremont County, Colorado (Heinrich, 1948), of a relatively large body...Mica Lode, Meyers Quarry Columbite occurs as tabular crystals in a unit of albite-muscovite-beryl (+ triplite...specimen and also within individual crystals. G (Meyers Quarry) 5.67. All specimens weakly to strongly...of higher reflectivity (higher Ta content?). Meyers Ranch, Pork Co., Colorad.o Ref.: Hanley et al., 1950 |  | | Book (volume) | | ...........................................47 Colorado ................................................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...were well known to prehistoric Indians.) BARBOUR COUNTY BAKER HILL, SE 1 mi. : 1 in a deep ravine, as a...deep red to variegated⎯ocher. BIBB COUNTY GENERAL AREA: c county gravel pits along the Cahaba R.⎯gemmy |  | | Book (volume) | | ...........................................47 Colorado ................................................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...were well known to prehistoric Indians.) BARBOUR COUNTY BAKER HILL, SE 1 mi. : 1 in a deep ravine, as a...deep red to variegated⎯ocher. BIBB COUNTY GENERAL AREA: c county gravel pits along the Cahaba R.⎯gemmy |  | | Book (volume) | | ...........................................59 Colorado ...............................................................548 Table of Maps Page Alabama County Map ...................................................................................4 Alaska County and Stream Map ..................................Co. Mining Districts ............................................................22 Arizona County Map.........................23 Arizona – Cochise Co. Mining Districts .................................... |  | | Journal (issue) | | Julius Weber Mamaroneck, New York COLORADO ISSUE #2 Articles Colorado locality index.............................. 323 by B. L. Muntyan What’s new in Colorado minerals? ......................................339 by M. I. Jacobson The San Juan Mountains of Colorado ..................................349 by J. A...10 cm tall, from the Yucca Hill claim, Park County, Colorado. Richard A. Kosnar specimen; photo by John...Natural History for conceiving the idea of a second Colorado issue and for helping a great deal in bringing |  | Snyder, George L., Hausel, W. Dan, Klein, Terry L., Houston, Robert S., Graff, Paul J. (1989) Precambrian Rocks and Mineralization, Southern Wyoming Province - Hartville Uplift to Copper Mountain Area, Wyoming July 19-25, 1989. Field Trip Guidebook T332. American Geophysical Union | Report (issue) | | References cited 1U .S. Geological Survey, Denver, Colorado. ~e Geological Survey of Wyoming, Laramie, Wyoming...Ludwig of the U.S. Geological Survey, Denver, Colorado. Transportation has been arranged by Paul Graff...George Snyder, U.S. Geological Survey, Denver, Colorado. Lunches have been arranged by Steve Schilling...Schilling, U.S. Geological Survey, Denver, Colorado. We thank the following ranchers or local officials for their...Ludwig of the U.S. Geological Survey, Denver, Colorado. Transportation has been arranged by Paul Graff |  | | Journal (article/letter/editorial) | | Mines, College Park, Maryland. Hafi, John C., Colorado School of Mines, Golden, Colorado. Heyl, George...geological studies in both field and Iaboratory. Mining geologists have made valuable paragenetic studies...of the series were lormed at Hobart Butte, Lane County, Oregon, probably in Miocene time by hydrothermal...found in the slates from the Lehigh-Northampton district of northeastern Pennsylvania. Identification of...Survey during a period of unusualiy widespread mining operations gave an exceptional opportunity for |  | | Book | | Petrified Forest Trails Arizona Gem Trails and the Colorado Desert of California High Tension (A Biography)...\merica Alabama Alaska Arkansas Arizona California Colorado Connecticut Delaware Florida Georgia Hawaii Idaho...of commercial mining is also long, beginning with the Kenya opal mines of 4000 B.C. Mining began with gemstones...gemstones, instead of metallic ores, and mining for turquoise was enormously extended throughout the...miners were unbelievably careless in their hasty mining of only the highest-grade ores. Rock hunters today |  | | Journal (article/letter/editorial) | | Incipient to advanced Incipient to advanced Meyers Ranch, Colorado Greer Lake group, Manitoba Donkerhoek,...Dakota Connecticut localities Crystal Mt. field, Colorado Harding, New Mexico Hugo, South Dakota Mongolian...Mongolian Altai #3 Etta, South Dakota White Picacho district Arizona Manono, Zaire Ta Petalite. (Sn, Ga, Hf)...Ta) Ta (Sn) Brown Derby, Colorado Pidlite, New Mexico Himalaya district, Calitbrnia Khukh-Del-Ula,...metamorphism. They differ from their abyssal- and muscovite-class counterparts (deep-seated and more or less |  | | Journal (issue) | | Cooper Nottingham, England Anthony R. Kampf L.A. County Mus. of Nat. Hist. Los Angeles, CA Joseph A. Mandarino...Mandarino Famous mineral localities: The Annaberg District, Lower A u stria ...............................them a call at 972-540-6999 and order your copy. COLORADO FOSSIL EXPO Denver Merchandise Mart • Mart Plaza...Martin Zinn Expositions • P.O. Box 999 • Evergreen, Colorado 80437-0999 • Fax (303) 674-2384 162 The M ineralogical...NAMIBIA 10Khorixas UNITED STATES 3Stewart mine, Pala district, California Deposit Type Bismoclite Precambrian |  | | Journal (article/letter/editorial) | | pegmatite population seems to be transitional between muscovite and rare-element clases. Differences in age, crustal...correspondre ~t une transition entre les types )t muscovite et ~ ~lfiments rares. Les diff&ences d'~tge, de...Abukuma-type metamorphic facies series ( - 4-9 kb). Muscovite class generated by partial melting and/or restricted...Barrovian-type terranes ( - 5-8 kb); source of muscovite and ceramic industrial minerals. - Rare-element...hosting pegmatite populations of the abyssal (B), muscovite (MS), rare-element (RE) and miarolitic (MI), classes |  | | Book | | nearly all metals and the inevitable closing of many mining operations, it is a matter of the industry's survival...decision, not only is a handy volume affered to the mining and processing community but also duplication of...Bastnaesite-Fluorite-Barite Deposit of the Kizilcaören District, Eskisehir, Turkey. G. Morteani and M. Satir (with...Granite-Hosted Tantalum Deposits: An Approach via District Analysis. P. 1. Pollard (with 1 Figure) . . ....fractures in altered greenstones from San Benito County, California, is reported with 20.57 wt.% RE2 0 |  | | Book (edition) | | of us spent most of our weekends in the museun1 park and some even rushed through school homework to...the Fuernrol No. 2 mine, Temple Mountain, Emery County, Utah; also sparsely disseminated in uraniferous...in the Cave Hills and Slim Buttes areas, Harding County, South Dakota. BEST REF. IN ENGLISH: Thompson,...OCCURRENCE: Occurs in Colorado at the Pelican Dives rnine , Silver Plun1e district, and at the Little Emma...Emma mine, Clear Creek County; at the Enterprise n1ine, Dolores County; and at the Double Header lode |  | | Book (edition) | | Encyclopedia of minerals Sagiiache County Pu blic Library Saguache , Colorado DEMCO For Reference Not to...Wendell E. Wilson Library Saguache County Public Saguache, Colorado VAN NOSTRAND REINHOLD New York ...Cal and Kerith Graeber Cureton Mineral Company Colorado School of Mines Charles and Marcelle Weber Dan...oil shale of the Green River Formation, Uintah County, Utah, associated with authigenic orthoclase, pyrite;...the Fuemrol No. 2 mine, Temple Mountain, Emery County, Utah; also sparsely disseminated in uraniferous | | | Book (edition) | | Encyclopedia of minerals ~~cbe County Public Library Saguache, Colorado OEMCO For Refere nee Not to...Sagtiache Co1tntr Publlc I...ibran' Saguache, Colorado ~ VANNOSTRAND REINHOLD ~ - - - - N e w York...Cal and Kerith Graeber Cureton Mineral Company Colorado School of Mines cw Charles and Marcelle Weber...the Fuemrol No. 2 mine, Temple Mountain, Emery County, Utah; also sparsely disseminated in uraniferous...in the Cave Hills and Slim Buttes areas, Harding County, South Dakota. SELECTED REFERENCES: Thompson, M |  | Gaines, Richard V., Skinner, H. Catherine W., Foord, Eugene E., Mason, Brian, Rosenzweig, Abraham, King, Vandall T. (1997) Dana's New Mineralogy (8th ed.) Wiley-Interscience. p.1872 | Book (edition) | | Rock H. Currier: Jewel Tunnel Imports, Baldwin Park, California. Stanley Dyl: Seaman Mineralogical Museum...Ontario, Canada. Richard C. Erd: U.S.G.S., Menlo Park, California. Howard T. Evans: U.S.G.S., Reston,...B. Hoover: U.S.G.S., Federal Center, Lakewood, Colorado. John M. Hughes: Dept. of Geology, Miami University...Louise Reif: U. S. G. S., Federal Center, Lakewood, Colorado. Charles B. Sclar: Dept. of Earth Sciences, Lehigh...usage) Alabama Alaska Arizona Arkansas California Colorado Connecticut Delaware Florida Georgia Hawaii Idaho |  | Palache, Charles, Berman, Harry, Frondel, Clifford (1951) The System of Mineralogy (7th ed.) Vol. 2 - Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Ect. John Wiley and Sons, New York. | Book (volume) | | Verde Valley, Yavapai County, Arizona. In Nevada along the Virgin River in Clark County, and in distorted...distorted crystals from Humboldt County. From Borax Lake, San Bernardino County, California. In the Permian basin...100. Found at several mines in the Huantajaya district, calcite, embolite, cerargyrite, bromyrite, iodyrite...in great quantities during the early period of mining in these districts. An earthy variety (Buttermilk...as at Caracoles in Antofagasta, the Huantajaya district in Tarapaca, and especially Chanarcillo in Atacama; |
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