 | | Report (volume) | | Part of the Morrison Quadrangle Jefferson County, Colorado GEOLOGICAL SURVEY BULLETIN 1251-E Geology...Part of the Morrison Quadrangle Jefferson County, Colorado By D. J. GABLE CONTRIBUTIONS TO GENERAL GEOLOGY...rocks along the mountain front due west of Denver, Colorado UNITED STATES GOVERNMENT PRINTING OFFICE, WASHINGTON...PART OF THE MORRISON QUADRANGLE JEFFERSON COUNTY, COLORADO By D. J. GABLE ABSTRACT The Morrison quadrangle...This sequence, which is typical of the Idaho Springs Formation, was intruded, in Precambrian time, by |  | | Report (issue) | | Some High-Grade Cordierite Gneisses, Front Range, Colorado Dolores J. Gable U.S. Geological Survey, Denver...SOCIETY OF AMERICA, INC. Colorado Building P.O. Box 1719 Boulder, Colorado 80302 Printed in the United..... ............................. . Cordierite-gedrite-biotite gneiss ..... ............................65 65 66 67 ... Vlll CORDIERITE GNEISSES, COLORADO FRONT RANGE Factors determining the mineral assen1blages...75 77 81 85 FIGURES l. Map of Front Range, Colorado ............... ................. .......... |  | | Report (issue) | | Geology of Precambrian Rocks Central City District Colorado GEOLOGICAL SURVEY PROFESSIONAL PAPER 474-C Prepared... Geology of Precambrian Rocks Central City District Colorado By P. K. SIMS and D. J. GABLE SHORTER CONTRIBUTIONS...1918Geology of Precambrian rocks, Central City district, Colorado, by P. K. Sims and D. J. Gable. Washington, U...district, Colorado. 1964. (Card2) 1. Geology, Stratigraphic Pre-Cambrian. 2. Geology Colorado Gilpin Co...Gilpin County, Colorado. 2. Geologic sections of the Central City district, Gilpin County, Colorado. 3. |  | | Report (issue) | | METAMORPHIC ROCKS OF THE CENTRAL FRONT RANGE. COLORADO By Dolores J. Gable ' Edited bv William. D............................ 12 Cordierite-garnet-gedrite-biotite gneiss...................................35 EARLY PROTEROZOIC PALEOGEOGRAPHY OF NORTHERN COLORADO........................ 3 6 REGIONAL STRUCTURE...Records Section, Denver Federal Center, Denver, Colorado] Page Plate 1. Geologic map of the Proterozoic...Range, Colorado ......... in pocket 2. Sample locality map of the central Front Range, Colorado...... |  | | Report (issue) | | Washington Zinc ore, Friedensville, Pa. Banded iron-formation, Palmer, Mich. 6. Ribbon asbestos ore, Quebec...Peninsula, Mich. 10. Porphyry molybdenum ore, Colorado 11. Zinc ore, Edwards, N.Y. 12. Manganese nodules...ocean floor 13. Botryoidal fluorite ore, Poncha Springs, Colo. 14. Tungsten ore, North Carolina Rutile...Gneiss and Related Rocks, East-Central Front Range, Colorado By SHERMAN P. MARSH and DOU1GLAS M. SHERIDAN GEOLOGY...and geochemical study of rutile-bearing rocks in Colorado and a description of their occurrence elsewhere |  | 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) | | canyon wall on north side of North Fork Cherry Creek and on Tony Ridge, Bull Camp Peak 1 1/2-minute quadrangle...References cited 1U .S. Geological Survey, Denver, Colorado. ~e Geological Survey of Wyoming, Laramie, Wyoming...belt of the Wind River Range, including iron-formation formerly quarried at the Atlantic City mine. Return...visit Copper Mountain supracrustal belt of Owl Creek Mountains, and return to Casper airport by 4:00...Ludwig of the U.S. Geological Survey, Denver, Colorado. Transportation has been arranged by Paul Graff |  | | Report (issue) | | Basement in Colorado GEOLOGIC A I, Rock Units of the Precambrian Basement in Colorado By OGDEN TWETO...TWETO GEOLOGY OF THE PRECAMBRIAN BASEMENT IN COLORADO U.S. GEOLOGICAL SURVEY PROFESSIONAL PAPER 1321-A...igneous rocks in outcrop and the buried basement in Colorado UNITED STATES GOVERNMENT PRINTING OFFICE...1912-1983 Rock units of the Precambrian basement in Colorado. (Geological Survey Professional Paper ; 1321-A)...Geology, Stratigraphic Pre-Cambrian. 2. Geology Colorado. QE653.T9 1986 551.7'1'09788 I. Title. For sale |  | | Report (volume) | | Chicago, 111. Colorado College Publications: Science Series, vol. 12, no. 6. Colorado Springs, Colo. Colorado...Mines: Bulletin, vol. 4, no. 2. Golden, Colo. Colorado Scientific Society: Proceedings, vol. 8, pp. 363-422...363-422, vol. 9, pp. 5-112. Denver, Colo. Colorado, University of: Studies, vol. 5, nos. 2-4, vol. 6...Bulletins, nos. 10-12. Hartford, Conn. Delaware County Institute of Science: Proceedings, vol. 3, nos...Development Company's Survey. Charleston, Kanawha County, W. Va., 1907. 28 pp., 4 pis. Gives information |  | | Report (volume) | | Research]. Paris, France. Colorado State Univ. Agr. Expt. Sta. Gen. Ser.-Colorado State University Agricultural...Amsterdam, Netherlands. Idaho Bur. Mines and Geology Bull. Idaho Bur. Mines and Geology County Rept.Idaho Bur...Geology Bulletin and County Report and Mineral Resources Report. Moscow, Idaho. Illinois GeoL Survey...near-surface tuff on the Pajarito Plateau, Los Alamos County, New Mexico, Art. 339: .U.S. Geol. Survey Prof...Accessory bastnaesite in the Pikes Peak granite, Colorado, Art. 254: U.S. Geol. Survey Prof. Paper 424-C |  | | Book (edition) | | Sheahan Konsult International Inc. Marilyn Stark Colorado School of Mines Unni Rowell Exmin Corporation...largest groups of new terms have been U.S. county names; rock-formation names (mostly North American); geophysical...include local geographic terms, U.S. county names, rock-formation names, and fossil names. Indexing for...than 12. The same applies to North American rock-formation names mentioned in the indexed literature (up...term must be a name unique to one area. Lincoln County is not assigned coordinates in the Thesaurus, because |  | | Book (edition) | | Ontario, Canada Marilyn Stark Colorado School of Mines, Golden, Colorado Dena Stepp Chemical Abstracts...Group, Great Smoky Conglomerate, Great Smoky Formation and Great Smoky Quartzite. By examining the frequencies...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 |  | | Report (volume) | | Crossroads: Lyons, P. L., 4. Gilbert H., 10. Colorado, South Silverton area: Expanding horizons: Lay... ADDRESSES ADDRESSES Continued ADDRESSES Continued Idaho, mineral deposits: Hulin, Mineralogy of uranium:...biological H. C., 4. phases vs. stratigraphic: Idaho: Hulin, C. D. Cooper, G. A. , 27. Mineral exploration..., 11. D. J. Rocky Mtn. geosyncline in Canada: Colorado Plateau: Wengerd, Warren; P. S., 4. S. A., 6....described. Div. Mines, 1; Jenkins, O. P., Choctaw County, Highway 17 area: 3. Toulmin, L. D., Jr., 3. Minor: |  | | Book (edition) | | 86 RELATIONS OF MINERAL DEPOSITS TO l\iINERAL SPRINGS Sumn1ary. CHAPTER VI II ORIGIN OF UNDERGROUND...waters-Examples of springs in volcanic regions- Salts of volcanic springs-The gases in volcanic springs- Rarer elements...elements in volcanic springs-The igneous en1anations. CHAPTER IX THE CHEMICAL WORK OF UNDERGROUND \\TATER...of kaolin-Metasomatic processes at Silverton, Colorado-Swnmary-Quicksilver deposits-The ores and their...lode-Argentite veins- Gold telluride veins-Cripple creek - Gold selenide veins-Occurrence of selenides-Republic |  | | Book (edition) | | Conversion tables . 1 — — — CHAPTER The Formation of Minerals — — II . 20 . Solution and...Examples of springs in volcanic regions — Magmatic or juvenile waters —Salts of volcanic springs — The gases...gases in volcanic springs 65 —RartT ekmients in volcanic springs 79 —The igneous emanations. CTIAPllilR...Xll —By the original mode fra(*tur(^ of of formation of the rocks — By various modes of origin— Force...Argentite veins — Gold veins—Occurrence veins—Cripple Creek— Gold veins— The San Juan Republic, Washington — |  | | Book | | Geology have ranged widely in scope. Prior to the formation of the American Associa¬ tion of Petroleum Geologists...06520 Paul K. Sims U. S. Geological Survey Denver, Colorado 80225 Economic Geology 75th Anniversary Volume...the approximate end of important banded iron-formation deposition. Iron and silica for the banded iron-formations...the accelerated precipitation of the lead is less clear; the inversion of the carbon dioxide/oxygen ratio...200 m.y.) on other conti¬ nents. As in the iron-formation basins, a slow, uniform rate of sinking was compensated |  | | Report (issue) | | SOCIETY OF AMERICA, 3300 Penrose Place Boulder, Colorado 80301 Printed in The United States of America...1925). His contributions to the study of iron ore formation also came early in his career (Gruner, 1922),...proposing a lateral secretion mechanism for the Colorado Plateau uraniuin ores (1956) after an extended...Denver, SELECTED BIBLIOGRAPHY OF JOHN B. R. DoE Colorado W. GRUNER (Gruner is the senior author except...bodies and magnetites of the Mesabi Biwabik Formation range: Econ. of the Mesabi range: Econ. Geology |  | | Book | | gives an overview of the various modes of mineral formation, and provides a background in thermodynamics to...Hans-Rudolf Wenk University of California, Berkeley, USA and Andrei Bulakh St Petersburg State University...of the native elements Unusual conditions of formation Test your knowledge Further reading 21 Halides...Brief description of important carbonate minerals Formation conditions of carbonates Carbonates in sedimentary...description of important sheet silicate minerals Formation conditions for sheet silicates and weathering |
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