 | | Report (issue) | | the Aspen 15-minute Quadrangle, Pitkin and Gunnison Counties, Colorado By BRUCE BRYANT GEOLOGICAL SURVEY...A study of an area at the intersection of the Colorado mineral belt with the west flank of the Sawatch...the Aspen 15-Minute quadrangle, Pitkin and Gunnison Counties, Colorado (Geological Survey Professional...Bibliography: p. 123 1. Geology Colorado Aspen region. 2. Mines and mineral resources Colorado Aspen region. I. Title...Tertiary igneous rocks ............................ Granodiorite ........................................ Alteration |  | | Report (volume) | | the Roaring Fork Valley and up Maroon Creek (right) and Castle Creek (left). Mountains left to right are:...p. Supt. of Docs. No.: I 19.3:1603 1. Geology Colorado Aspen Region. I. Martin, Peter L. III. Series...story of the land 13 Rushing water and tumbling rock 13 The Pleistocene Epoch Rivers of ice sculpture...The birth of the modern Rocky Mountains 40 Molten rock, uplift, and erosion ., 43 Geology and land-use...Aspen area: A. View from Castle Creek-Express Creek ridge showing White Rock pluton and overlying upper Paleozoic |  | | Report (volume) | | Mineral Resource Potential and Geology of the White River National Forest and the Dillon Ranger District...District of the Arapaho National Forest, Colorado U.S. GEOLOGICAL SURVEY BULLETIN 2035 Mineral Resource...Resource Potential and Geology of the White River National Forest and the Dillon Ranger District of the Arapaho...Arapaho National Forest, Colorado By MARGO I. TOTH, ANNA B. WILSON, THERESA M. COOKRO, VIKIBANKEY, GREG... Mineral resource potential and geology of the White River National Forest and the Dillon Ranger District |  | | Report (issue) | | COLORADO GEOLOGICAL SURVEY BOULDER R. D. GEOqGE, State Geologi.t BULLETIN 22 MINERAL DEPOSITS OF THE...oozi5137 EAME"S BROS, STATE PRINTERS FOR COLORADO DENVER. COLORADO GEOLOGICAL B O A R D His Excellency...Shoup George Norlin Governor of Colorado President University of Colorado Victor C. Aldersox.. Charles...TRANSMITTAL State Geological Survey, Uxiversity of Colorado, October 28, 1920. Governor Oliver H. Shoup. Chairman...honor to transmit herewith Bulletin 22 of the Colorado Geological Survey. Very respectfully, R. D. George |  | | Report (issue) | | in the Little Snake River area of northwestern Colorado, by E. J. McKay. . Disseminated sulfide deposits...Tocantins complex, Niquelandia, Goias, Brazil, by R. W. White, Jorge. Motta, and V. A. de Araujo Page D1 9 13...and potassium-argon ages of the Mount Stuart Granodiorite and Beckler Peak stock, North Cascades, Wash...lacustrine Pliocene tuffs near Wikieup, Mohave County, Ariz., by R. A. Sheppard and A. J. Gude 3d . .... . . Permian deformation in the Eagle basin, Colorado, by V. L. Freeman . . . . . . . . . . . . . . |  | | Report (volume) | | extension of the east-central part of the Tintic-Deep Creek mineral belt, eastern Great Basin, Utah By Douglas........... 205 Mineral resource potential of the White River National Forest and the Dillon Ranger District...District of the Arapaho National Forest, Colorado By Margo I. Toth, Anna B. Wilson, Theresa M. Cookro, Viki...Geophysical studies of the White River National Forest, northwestern and central Colorado By Viki Bankey.......silver, mercury, copper, and palladium in Lemhi County, east-central Idaho By George A. Desborough, William |  | | Report (issue) | | listed on pages A253A258. Numerous Federal, State, county, and municipal agencies listed on pages A205-A210...---34 Utah --------------------------------35 Colorado ----------------------------35 lCansas ------..._ Quaternary geology ______________________ _ Colorado Plateau -----------------------------Geologic...Theoretical and experimental geophysics ___ _ 143 Rock magnetism _____________________ _ 143 Physical properties...agencies ------------------------------ 205 State, county, and municipal agencies __________ _ 205 U.S. Geological |  | | Report (issue) | | listed on pages A263-A268. Numerous Federal, State, county, and municipal agencies and other organizations...Southern Rocky Mountains and plains___________ Colorado..._ _______________________________ New Mexic...Mexico______________________________ Colorado Plateau _______________________________ Colorado.. _________________________________...77 77 78 78 79 80 81 81 81 83 84 84 Continued Colorado Plateau Continued Utah_-__ _____________-_ Ariz...144 Aeromagnetic and gravity studies_______ 145 Rock deformation_____________________ 145 Crustal properties |  | | Report (volume) | | Arkansas Geol. Comm. Inf. Circ. Circular. Little Rock, Ark. Fayetteville, Arkansas Geological Commission...Resources Summ. Water Resources Summary. Little Rock, Ark. Arkansas Geological Commission Arkiv Mineralogi...Geology California Div. Mines and Geology County Rept. Geology County Report. San Francisco, Calif. California...Notes. Colorado School Mines Mineral Industries Bull. Industries Bulletin. Golden, Colo. Colorado School...Golden, Colo. Colorado School Mines Quart. Colo. Florida State University. Colorado School of Mines |  | | Book (edition) | | 06175870 HALKA CHRONIC and FELICIE WILLIAMS 4 ROCK ...PRECAMBRIAN .°. % | metasedimentary rocks Red Creek quartzite | ; Laramide granite (TKi) Pikes Peak...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 |
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