 | | Journal (article/letter/editorial) | | PEGMATITES OF EIGHT MILE PARK, FREMONT COUNTY, COLORADOXT E. Wrrr. HerNnrcu, Department of Mineralogy...and fine-grained granite . . Diabase Injection gneiss . Paleozoic and Mesozoic sediments. . . . . Structure...three to twelve miles west of Canon City, Fremont County, Colorado, includes about 30 square miles that lie...separate paper. 420 PEGMATITES OF EIGHT MILE PARK, COLORADO 42r area are flanked on the east by hogbacks...leak granite, Idaho Springs schist, and injection gneiss. The oldest, the Idaho Springs formation, consists |  | | Journal (issue) | | generally found in granitic rocks but it also occurs in gneiss, slate, rhyolite and other types. The mineral is...carried away by the rivers. Therefore, a central gneiss core--a sial block is made up mostly of gneissic...cover, the block will rise aga'n, and nothing but gneiss will be exposed on the site of the former mountains...after Wegener. 171 ROCKS and MINERALS SIALIC GNEISS SIMA ~·~ · f O l O ~ 08UQU£ .l lJ IUC,IO ...COLD By ALLAN CAPLAN Box 42, Golden, Colorado Breckenridge, Colorado, from the mineralogical viewpoint, |  | Weiland, E.F., Connors, R.A., Robinson, M.L., Lindemann, J.W., Meyer, W.T. (1982) Geochemical and geostatistical evaluation, Arkansas Canyon Planning Unit, Fremont and Custer Counties, Colorado. Open-File Report Vol. 1982 (82-462) US Geological Survey doi:10.3133/ofr82462 | Report (issue) | | Canyon Planning Unit Freemont and Custer Counties, Colorado E. F. Weiland Open-File Report 82-462 1982 ...EVALUATION ARKANSAS CANYON PLANNING UNIT FREMONT AND CUSTER COUNTIES, COLORADO VOLUME I Prepared for: United States...States Bureau of Land Management Colorado State Office Prepared by: E.F. Weiland R.A. Connors M.L. Robinson...Resources Inc. 1626 Cole Blvd., Suite 120 Golden, Colorado 80401 April 10, 1981 VOLUME I TABLE OF CONTENTS...YA-553-CTO-100 with the Bureau of Land Management, Colorado State Office. The study was based on a geochemical- |  | | Report (volume) | | railroad from Denver to Colorado Springs___________ One-day trips from Colorado Springs __ _ __ Manitou...__ ________________ Main line of railroad from Colorado Springs to Canon City________ One-day trip from...Husted, Colo___ __ ______ ______ 32 2. Edgerton to Parkdale, Colo______________________ 84 3. Echo to Pine...Utah_________._______ 244 PLATES. PLATE I. Relief map of Colorado and part of Utah, showing main lines of the Denver...canyon of Colorado 117 118 River___________I__________________ LVIII. Canyon of Colorado River__________________ |  | | Report (volume) | | Del Norte County; Trinity River, Trinity County; Spanish Creek and Gopher Hill, Plumas County; Placerville...Dorado County; Cherokee Flats, Yankee Hill,and Oroville, Butte County; French Corral, Nevada County; Indian...Indian Gulch and Volcano, Amador County; and Alpine Creek, Tulare County. Other western localities are:...Diamond Basin, Ada County, Idaho; Curry County, Oreg.; and Nelson Hill, near Glacier County, Mont. The Great...Pierce County; Oregon, Dane County; Kohlsville, Washington County; Saukville, Ozaukee County; Eagle, |  | | Journal (article/letter/editorial) | | ............................................. Fremont Limestone........................................Paleozoic fossils in the vicinity of Canyon City, Colorado, was made in 1887 by Mr. S. F. Emmons, of the...species indicated an unrecognized Paleozoic fauna in Colorado. Mr. T. W. Stanton was employed by Mr. Emmons...presence of an icthyic fauna near Canyon City, Colorado, in association with an Ordovician fauna was read...io n o f t h e L o c a l it y . Canyon City, Colorado, is situated near the southwestern shore of a |  | | Report (volume) | | Geological Survey, October 9-10, 1990, Colorado School of Mines, Golden, Colorado U.S. GEOLOGICAL SURVEY BULLETIN...Survey, October 9-1 0, 1990, Colorado School of Mines, Golden, Colorado I edited by Charles H. Thorman...southwestern Montana, Wyoming, and north-central Colorado, by William J. Perry, Jr., Douglas J. Nichols...the course of the Arkansas River, south-central Colorado, by Ken Watson, Daniel H. Knepper, Jr., and Michael...Chief Mining District, eastern Chief Range, Lincoln County, Nevada, by Peter D. Rowley, Lawrence W. Snee, |  | | Catalog/List | | radial groups on limonite ....... . Utah Toelle County, Gold Hill, Gold Hill mine --=.rransparent micro... AJOITE Copper aluminum silicate' Arizona Pima County, Ajo, New Cornelia mine Sky blue micro xls and...Switzerland Alpine areas Fine large white twin xls on gneiss with chlorite .. PERISTERITE Canada Ontario, Bancroft...aggregates in quartz . ALTAITE Lead telluride • Colorado Saguache County, Klondike mine Brilliant metallic tin...sodium calcium uranium carbonate. Utah San Juan County, Moab ~ellow to yellow-green ¼x¼" single rhombohedral |  | | 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 |  | | 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) | | 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 (edition) | | —Roadside Geology Series $14.00 RCMDSIDE EOLOGY of COLORADO Halka Chronic MAP SYMBOLS SEDIMENTARY ROCKS...♦ ¥ ♦ + Hornblende gneiss Q. Gneiss & schist roadside geology of Colorado Halka Chronic MOUNTAIN...Roadside Geology of Colorado Bibliography: p. 1. Geology—Colorado—Guide-books. Colorado. I. Title. QE91.C49...and the rugged volcanic regions of southwestern Colorado are geologi¬ cally and scenically different from...This book is designed to give to Coloradoans and Colorado visitors - especially those with little or no |  | | Book | | vironmental changes. Gneiss is a granitelike rock that forms many different kinds of rock. A gneiss rock looks...bands of coloration. The schist are similar to the gneiss but have a greater tendency to decomposition. They...associated with more interesting minerals than are the gneiss rocks. Schists often contain feldspar, garnet,...famous was the single beryl stone found in Oxford County in Maine that weighed 18 tons and was 18 feet in...Sapphires and rubies are found in North Carolina, Colorado, Idaho, Indiana, Cal¬ ifornia and Montana, but |  | | Book (edition) | | plutonic suite granite OADSIDE “%_ JrEoLocy of COLORADO SECOND EDITION Halka Chronic and Felicie Williams...ion Data Chronic, Halka. Roadside geology of Colorado.—2nd ed. /Halka Chronic and Felicie Williams....0-87842-447-4 (pbk. : alk. paper) 1. Geology—Colorado. 2. Roads—Colorado. I. Williams, Felicie, 1953- II. Title...NEW os °° of and Roads Geology Roadside of Colorado. sections =: S S Can Black Durango NP Verde...History—The Underlying Theme Comingto Terms 4 4 Colorado through the Ages 9 The Final Touch = 17 Gold |  | | Report (volume) | | From the Silver King mine, Calico, San Bernardino County, Cal. Specific gravity, 6:28. Analysis by W. H...From .Teocalli Mountain, Brush Creek, Gunnison County, Colo. Specific gravity, 7.400 at 14.5°, corrected...described in Proc. Colorado Sci. Soc., vol. 3, pt. 1, p. 46. From the Rose mine, Grant County, N". Mex. Specific...impurities. From the Missouri mine, Halls Valley, Park County, Colo. Analyses, by Hillebrand, of three different...From the Brobdignag mine, Red Mountain, San Juan County, Colo. Specific gravity, 5.21 at 18°. Analyzed |  | | Book (edition) | | describes sites under of the nearest town and county. and the many maps included book contain such...contains mica; sandstone alters to quartzite or gneiss, limestone to mar- Metamorphic rocks are layered...corundum, and jade may also be ble, and granite to gneiss. created, along with massive serpentine. Weathering...Distribution Center in Denver Federal Center, Denver 25, Colorado. The centers supply on request a free index, from...are liable to welcome you with a gun," writes a Colorado collector. "As far as Texas is concerned," says |  | | Book (volume) | | ...........................................59 Colorado ...............................................................548 Table of Maps Page Alabama County Map ...................................................................................4 Alaska County and Stream Map ......................................................................22 Arizona County Map ................................................................................49 Arkansas County Map .......................................... |  | | Report (issue) | | Series 30 Bibliography and Index of Colorado Geology, 1984-1989 Colorado Geological Survey Department of...Resources Denver, Colorado 1990 Information Series 30 Bibliography and Index of Colorado Geology, 1984-1989...Institute under contract to the Colorado Geological Survey Colorado Geological Survey Department of...of Natural Resources Denver, Colorado 1990 ii FOREWORD In recognition of the need to more effectively...published literature on the state's geology, the Colorado Geological Survey is pleased to release Information |  | | 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 |  | | Report (issue) | | Geology and Ore Deposits of the Front Range Colorado By T. S. LO\'ERING and E. N. GODDARD GEOLOGICAL...in cooperation with the Colorado State Geological Survey Board and the Colorado Metal Mining Fund ~ oopr...formation _______________ _ Swandy ke hornblende gneiss ____________ _ Quartzite at Coal Creek ________________..._____________________________ _ Quartz monzonite gneiss ________________ _ Granite gneiss and gneissic aplite ________ _..._________________ _ Harding sandstone _________________ _ Fremont limestone _________________ _ Devonian _______ |  | | Book (volume) | | beds, excavations, etc.Selenite roses. BRULE COUNTY AREA: in the Oacoma zone of the Pierre Fm. On Elm...gray Barite rosette up to 5 or 6 inches. CAMPBELL COUNTY MOUND CITY, W to the Missouri R., regional hillsides...gravels, etc.petrified wood, wood opal. CORSON COUNTY LITTLE EAGLE: area ridges, slopes, stream beds...Guide for Rock Hounds in the United States CUSTER COUNTY AREA: The November Mine, 1.2 mi. SE of the Needles...of rd. a few yds., outcropRose Quartz. DOUGLAS COUNTY CORSICA, S on US 281 to Armour, area rd. cuts, |  | | 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 |  | | Report (issue) | | --------Miocene structural movements in Thomas County, Ga., by C. VV. Sever__________________________________________...upture phenomena in the Silver Plume Granite, Colorado, by F. T. Lee and T. C. Nichols, Jr_____________________...rock mechanics research on Silver Plume Granite, Colorado, by T. C. Nichols, Jr., and F. T. Lee--------...Uncbmpahgre uplift and Unaweep Canyon, west-central Colorado, by F. W. Cater_______________________ Par(cutin...sediments of the Connors Pass quadrangle, White Pine County, Nev., by E. J. Young______ 108 Geophysics General |  | | Catalog/List | | radial groups on limonile ........... Utah Toelle County, Gold Hill, Gold Hill mine ~ransparent micro crystals...lapis AJOITE Copper aluminum silicate Arizona Pima County, Ajo, New Cornelia mine Sky blue micro xls and...ALBITE Sodium aluminum silicate CLEAVELANDITE Colorado Gunnison Co. , Brown Derby mine White xlline lamellar...cerium aluminum silicate California Los Angeles County, Pacoirna Canyon Large black tabular crystals in...basic sulfate of aluminum and potassium Utah .Piute County, Tushar Mountains, Marysvale ----i'>ink crystalline |
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Parkdale, Fremont County, Colorado, USA