 | | Journal (article/letter/editorial) | | 00:52 01 June 2016 Wyoming Mineral Locality Index Figure 1. Index map of Wyoming counties, with exposures...exposures of Precambrian and volcanic rocks. 1 he Wyoming mineral locality index is designed to provide mineral...interesting mineral occurrences in the state of Wyoming. Five publications were used extensively in compiling...(about 19131, Esterbrook copper district, Albany County. John Taylor collection. An ideal and inexpensive...1 inch equals 4 miles) of the entire state of Wyoming in book form. The Wwming Atlas and Gazetteer can |  | | Report (issue) | | Geology of the South Pass Area, Fremont County, Wyoming By RICHARD W. BAYLEY, PAUL DEAN PROCTOR,· and...geologic map of the Atlantic City district, Fremont County, Wyo -------------------Geologic map and cross... 31 GEOLOGY OF THE SOUTH PASS AREA, FREMONT COUNTY, WYOMING By RICHARD W. BAYLEY, PAUL DEAN PROCTOR...the south end o;f the Wind R!i\ner Rang.e in Fremont County, Wyo. Laramide uplift and erosion exposed the...near the south end of the Wind River Range in Fremont County, Wyo., about 28 miles south of the town of |  | | Journal (article/letter/editorial) | | LayeredPegmatites, Southern Wind RiverMountains, Fremont County, Wyoming PAUL DEAN PROCTORAND HASAN A. EL-ErR Abstract...AndersonRidge and South Pass 7«' FremontCounty,Wyoming (Fig. 1). 597 quadrangles, 595 597 Sizeandshape...pegmatitebodydescriptions are knownfor the River Mountains, Wyoming,spatiallyassociated with Wind River Mountains,...showingpegmatitedistributionin SouthernWind River Mountains,Wyoming. L,dYERED PEGMATITE$ 597 L x W 7 ,• , 10...Size-shapeanalysiso{ pegmatites,SouthernWinc• River Mountains,Wyoming. eastwardthe gneissesand schistsgrade into slightly |  | | Journal (article/letter/editorial) | | Index map of the Copper Mountain district, Fremont County, Wyoming. Guffy Peak and Birdseye Pass 7.5-minute...block of land in section 28, owned by the state of Wyoming, that contains only a few pegmatites around a fresh-water...Catherine No. 1 Mine, Cusper Mountain, Natrona County, Wvoming ” and appearc.d in the September/ October...BLM maps can be purchased in various places in Wyoming and Colorado and also via the Internet at http://mac...the pegmatites in the Pala district, San Diego County, California. The line rocks are composed of layers |  | | Journal (article/letter/editorial) | | University] at 19:27 25 December 2014 Figure 4. Microcline and quartz, 9.9 cm across, Tree Root Pocket,... Two Point claim, Pikes Peak batholith, Teller County. The Collector’s Edge specimen, Jeff Scovil photo...Junction (Book Cliffs) barite locality 15. Otero County barite occurrences 16. Royal Gorge (Eight Mile...Treasure Falls (Wolf Creek Pass) zeolite locality 29. Fremont Pass orthoclase locality 30. Prospect Mountain...Red Feather Lakes amethyst locality 32. Elbert County petrified wood occurrences Downloaded by [Erciyes |  | | Journal (article/letter/editorial) | | THE CHIEF LITHIUM PEGMATITE, DEVILS HOLE, FREMONT COUNTY, COLORADO1 E. Wu. HnrNnrcu eNo Rrcnann W. VraN...quartz and for manv years an important source of microcline and beryl and lesser amounts of other pegmatite...fine-to-medium-grained pegmatite containing quartz, microcline, plagioclase, muscovite and minor amounts of...of the cleavelandite-tourmalineunit corroded microcline remnants are common. It is noteworthy, however...of the wail zone consistsof anhedralgranular microcline, qttartz, and subordinate sodic plagioclase.Books |  | | Journal (article/letter/editorial) | | and Uranium Depletion in the Granite Mountains, Wyoming acteristic U 2 3 8 /Pb 2 0 4 of 8.96 in the source...composition and concentration of lead in whole rock and microcline and concentration of uranium and thorium in whole-rock...samples of granite from the Granite Mountains, Wyoming, have been determined. The lead isotopic composition...source of uranium now in ore deposits in central Wyoming basins. INTRODUCTION In an earlier paper, Rosholt...rocks from the Granite Mountains area in central Wyoming provided a valuable tracer of uranium migration |  | | Journal (article/letter/editorial) | | PEGMATITES OF EIGHT MILE PARK, FREMONT COUNTY, COLORADOXT E. Wrrr. HerNnrcu, Department of Mineralogy... three to twelve miles west of Canon City, Fremont County, Colorado, includes about 30 square miles that...granite, a red, coarse-grained, porphyritic, microcline granite, was emplaced. Late difierentiates from...batholith, tend to occur in swarms. They contain microcline, oligoclase, quartz) muscovite, biotite, and...pegmatites and geology of Eight Mile Park, Fremont County, Colorado. ft is an attempt to interrelate |  | | Journal (article/letter/editorial) | | the big ones."—on label! Globe, in southern Gila County, is in central Arizona. COLORADO — "Enclosed are...identified. They are all from southwestern Fremont County in the Hayden Creek area of Colorado. Pegmatite...sanidine xls (dark gray with bluish opalescence). Fremont County is in central Colorado. DELAWARE—"The enclosed...by Mr. Carvalho. One consists of orange-brown microcline (feldspar), smoky quartz xls, and black biotite... The other specimen consists of orange-brown microcline, massive smoky quartz, and small flakes of silvery-white |  | | Report (volume) | | Precambrian Iron· Deposits Near Atlantic City, Wyoming By RICHARD W. BAYLEY CONTRIBUTIONS TO ECONOMIC...section of iron deposits near Atlantic City, Fremont County, Wyo. Magnetic map of the iron deposits near...PRECAMBRIAN IRON DEPOSITS NEAR ATLANTIC CITY, WYOMING By RICHARD w. BAYLE,Y ABSTRACT 'Tihe Atlantic...in the south part of the Wind River Range, Fremont County, 'Vyo., includes 100 square miles of metamorphosed...extretne north part of the Atlantic district, Fremont Cmmty, Wyo. (Spencer, 1916, p. 17-18, and pl.1) |  | | Journal (article/letter/editorial) | | in every county 'of Colorado along the Front Range of the Rocky Mountains from Larimer County on the Wyoming...Wyoming line to Custer County in the south-centralpart of the state, and in scatteredpre-Cambrianareas...The pre-Cambrian schists and granites of Larimer County are cut by numerous pegmatite dikesl which have...exhibiting an ore mineral phaseoccur in Boulder County.3JeffersonCounty contains both tourmaline and muscovite...W., Some gold and tungsten deposits of Boulder County, Colorado: Econ. Geology,vol. 2, pp. 453463, 1907 |  | | Journal (issue) | | ft across occur at the Devils Hole mine, in Fremont County, Colorado). More typically, they are on the...and garnet (dark brown). Devils Hole mine, Fremont County, Colorado. (Carnein photo and collection) ...of oriented intergrowths of quartz (gray) in microcline (white). Carnein specimens and photos. Complex...well formed (euhedral) crystals of smoky quartz, microcline, fluorite, and goethite from a miarolitic cavity...collectors know that, besides such common minerals as microcline feldspar (or “amazonite”), smoky quartz, albite |  | | Report (volume) | | RELATED TO WILDERNESS PRIMITIVE AREAS GLACIER, WYOMING GEOLOGICAL SURVEY BULLETIN 1319-F Mineral Resources...Resources of the Glacier Primitive Area, Wyoming By H. C. GRANGER, E. J. McKAY and R. E. MATTICK, U.S...survey in the Glacier Primitive Area and vicinity, Wyoming. The area discussed in the report includes the...Glacier Primitive Area, Wyoming. 2. Map of the Glacier Primitive Area, Wyoming, showing geochemical sample...sample localities. FIGURE 1. Index map of Wyoming showing area studied ______ 2-16. Photographs: 2. Gannett |  | | Report (issue) | | THE GEOLOGICAL SURVEY OF WYOMING HORACE D. THOMAS, State Geologist BULLETIN 51 A FIELD GUIDE TO THE...ROCKS AND MINERALS OF WYOMING by William H. Wilson THE GEOLOGICAL SURVEY OF WYOMING HORACE D. THOMAS,...' 0 MINERALS OF WYOMING By WILLIAM H. WILSO. UN IVERSITY OF WYOMING LARAMIE, WYOMING A GUST, 1965 This...the Department of Geology at the University of Wyoming ( 19 17-631. For more than fift y years his life...life has been devoted toward the understanding of Wyoming geology. but perhaps more important has been his |  | | Journal (article/letter/editorial) | | Carolina; at Amelia, Virginia, near Clayton, Rabun county, Georgia; etc. The old localities near West Chester...at Shaw and Esray's quarry near Chester, Chester County, Pennsylvania, and is now in the collection of...12 pegmatite of the Eight Mile Park area of Fremont county, Colorado; while pink chalcedony has been found...Dakota and of the Bridger Mountains in Fremont county, Wyoming. Feldspar Group The feldspars form a group...pegmatites are the potash feldspars orthoclase and microcline; the soda feld228 spar, albite; and the intermediate |  | | Journal (article/letter/editorial) | | quartz, Manhan River mine, Easthampton, Hampshire County, Massachusetts. Marvin Rausch specimen, Jeff Scovil...branch of the Calumet and Hecla mine, Houghton County, Michigan. A. E. Seaman Mineral Museum (Michigan...JulyIAugust: Vanadinite and wulfenite, Old Yuma mine, Pima County, Arizona. Les Presmyk specimen, Jeff Scovil photo...and microcline (variety amazonite), Two Point claim, Lake George intrusive center, Teller County, Colorado...Rhodochrosite, area 28, level 20, Eagle mine, Gilman County, Colorado. Dave Bunk specimen on loan to the Colorado |  | | Journal (article/letter/editorial) | | crystal was noted in the Luella mine near Avon, Latah county, Idaho, which measured 3x3x8 feet. Other large...Dakota. A black crystal from Micaville, Randolph county, Alabama, was 10 inches in diameter and from 3...been noted in the School Section pegmatite of Fremont county, Colorado. ROCKS AND MINERALS Maine, Connecticut...pink and green crystals at Ohio City, Gunnison county, Colorado; dark green, pink, and indicolite tourmalines...miles west of Canon City, Colorado; at Clip, Yuma county, Arizona; and a few other places. CENTRALLASITE |  | | Journal (article/letter/editorial) | | Included among thesedepositsare the following: Chaffee County Cleora district prospects (Fig. 1, No. 2) Sedaliamine...Independence mine Custer County Marion mine (Fig. 1, No. 6) Fremont County Cotopaxi mine (Fig. 1, No...pegmatoid. 1184 CHARL]'SA, SALOTTI dish-pink, microcline-quartz-biotitetypical Pikes peak granitel however...plastic deformation. Late Laramide deformation in Fremont County has developedlarge, north trending block faults...Fnruoxr CouNrv, Colonlno (1) Hornblende Plagioclase Microcline Quartz Biotite Muscovite Magnetite Diopside Sphene |  | | Journal (article/letter/editorial) | | CARBONATITES OF THE ARKANSAS RIVER CANYON, FREMONT COUNTY, COLORADO. 3. THE AMETHYST CARBONATITESl E...The Amethyst carbonatites in 12 Mile Park, Fremont County, Colorado are the northernmost representatives...Mountains and the adjacent Wet Mountain Valley in Fremont and Custer Counties, Colorado (Christman el, al...I':,7H YST CARBONA TI TES Frc. 1. Index map of Fremont and Custer Counties, Colorado showing location...Geological map of the Amethyst carbonatite area, Fremont County, Colorado AMDTHYST CARBONATITES MAP OF THE |  | | Journal (article/letter/editorial) | | WITHIN THE ALBITE-EPIDOTE HORNFELS FACIES. FREMONT COUNTY. cor6nnoo CuRnrBs A. Salorrr, The Uniaersi...quartzalbite metasedimentary rocks in western Fremont County, Colorado. The metamorphic grade of these albitic...Quartz-albite-almandite-anthophyllite * mica Quartz-albite-microcline-mica Disregarding retrograde alterations, the... near center sec. 30, 'L. 49 N., R. 11 E., Fremont County, Colorado. Plane polarized light. p hyll,itre-mica...formation, near center sec 30, T. 49 N., R. 11 E., Fremont County, Coiorado. Crossedpolars. presence of radial |  | | Journal (article/letter/editorial) | | Pegmatite in the Clear Creek District, CLEAR CREEK COUNTY, COLORADO In all of Colorado's Front Range only...size) pegmatite composed of plagioclase, quartz, microcline (perthite), and muscovite. Two subvarieties of...zone contains a visible percentage of muscovite. Microcline (perthitic and in graphic textures NOVEMBER/DECEMBER...D MT. TOURMALINE PROSPECT, C L E A R C R E E K COUNTY, COLORADO CCea veCa n...composed of gray to milky-white quartz and large microcline crystals. Radiating fans of green tour maline |  | | Journal (article/letter/editorial) | | in the Mica Lode pegmatite, Eight Mile Park, Fremont county, colorado. Two other new triplite localities...same district and another pegmatite in El Paso county, colorado. The triplite occurs in hydrothermal...the pegmatite deposits of Eight MiIe Park, Fremont County, Colorado, the junior author obtained a number...Section pegmatite deposits, Bight MiIe Park, Fremont County, Colorado. that transect the primary igneous...of massive white quartz and crystals of pink microcline as much as six feet across.The zonal structure |  | Collins, Donley S., Cobban, Robert R., Foord, Eugene E., Murphy, Jack A. (1989) Bibliography for update and revision of U.S.G.S. Bulletin 1114, Minerals of Colorado -- a 100 year record, by Edwin B. Eckel, Part A - Paper copy --Bibliography data file disks. Open-File Report Vol. 1989 (89-206) US Geological Survey doi:10.3133/ofr89206a | Report (issue) | | Beryllium deposits of the Mount Antero region, Chaffee County, Colorado: U.S. Geological Survey Trace Element...Beryllium deposits of the Mount Antero region, Chaffee County, Colorado: U.S. Geological Survey Bulletin 982-D...1974, Murataite, a new complex oxide from El Paso County, Colorado: American Mineralogist, v. 59, nos. 1-2...Gate Canyon and Ralston Creek areas, Jefferson County, Colorado: U.S. Geological Survey Circular 320...and Havens, R. G., 1962, Thalenite from Teller County, Colorado, Art. 121 in Geological Survey Research |  | | Journal (article/letter/editorial) | | NOTESAND NEWS MONTEBRASITEFROM EIGHT MILE PARK, FREMONT COUNTY, COLORADO* E. Wu. Hnrunrcrr ano ArrcB S. Conrv...pegmatite on Eight Mile Park, west of Canon City, Fremont County, Colorado (Schaller, l9Il, l9l2), proposing...Natromontebrasite, Meyers Quarry pegmatite, Eight Mile Park, Fremont Co., CoIo. Analyst-W. T. Schaller (1911). B. Montebrasite...Montebrasite, Meyers Quarry pegmatite, Eight Mile Park, Fremont Co., Colo. Analyst-Alice S. Corey. of having been...indistinctly zoned. Remnants of small core pods of large microcline crystals are exposed,but most of the pegmatite |  | | Report (issue) | | COPPER. NOTES ON COPPER DEPOSITS IN CHAFFEE, FREMONT, AND JEFFERSON COUNTIES, COIO. By WALDEMAR LINDGREN...really obtained as a by-product; that from San Juan County slightly exceeded 1,500,000 pounds. The copper...short tons, of which one-half came from San Juan County. It may be said that Colorado does not contain...249 tons of copper ores in 1906; the yield of Fremont and Jefferson counties is negligible. Although...GEOLOGY, 1907, PART I. been shown in South Dakota,* Wyoming,6 New Mexico,0 and Arizona,d and it is the purpose |
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