 | | 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 |  | | Report (volume) | | MINERAL, RIO GRANDE, ARCHULETA, AND CONEJOS COUNTIES, COLORADO Aerial view looking northwest across...sequence of volcanic mudflows and lava flows of the Conejos Formation. Hummocky terrain in foreground is landslide... Mineral, Rio Grande, Archuleta, and Conejos Counties, Colorado By U.S. GEOLOGICAL SURVEY and U.S. BUREAU...area-Mineral, Rio Grande, Archuleta, and Conejos Counties, Colorado. (Studies related to wilderness-study...Chamasouthern San Juan Mountains wilderness study area Colorado by Maurice R. Brock and David R. Gaskill-Geophysical |  | | Book | | MINES AND MINERALS OF THE GREAT AMERICAN RIFT (COLORADO-NEW MEXICO) Sine —_—< ¢ te om At _SHT 40...MINES AND MINERALS OF THE GREAT AMERICAN RIFT (COLORADO-NEW MEXICO) Richard Walker Holmes and Marrianna...Mines and minerals of the Great American Rift (Colorado-New Mexico). Bibliography: p. Includes index...index. 1. Mines and mineral resources—Colorado. 2. Mines and mineral resources—New Mexico. I. Kennedy, Marrianna...enter must be obtained to prevent trespass. Old mine workings are dangerous and entering underground |  | | Report (issue) | | The Geological Story of the Blue River Valley, Colorado, and Its Surrounding Mountains Circular 1400...The Geological Story of the Blue River Valley, Colorado, and Its Surrounding Mountains By Karl S. Kellogg...mines—The geological story of the Blue River valley, Colorado, and its surrounding mountains: U.S. Geological...the geological story of the Blue River Valley, colorado, and its surrounding mountains / by Karl S. Kellogg...978-1-4113-3966-8 (pbk.) 1. Geology--Colorado--Blue River Valley. 2. Mountains--Colorado. I. Bryant, Bruce, 1930- |  | | 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 (issue) | | and cost far less in maintenance than any other mine car wheel! FOR COMPLETE SANFORD-DAY IRON INFORMATION...NY a L SITS SSS aes a8 SE LK SEATTLE 1, WASH. MINING WORLD DRIFTS AND CROSSCUTS MOP POY SES U...is good news for the public in general and the mining industry in particular. The Survey, unlike aaa...when needed most. ; : C wih witth t contac’ THE MINING JOURNAL A Miller Freeman Publication Published...Northwest Mines Meet. Platoro on the Conejos—by .. Muriel Sibell Wolle Mining Men and Their Activities |  | | Report (issue) | | faulting and potential earthquakes in east-central Colorado, by G. R. Scott____________________________ Econ...Reconnaissance geology and economic significance of the Platoro caldera, southeastern San Juan Mountains, Colo...and F. F. Wright___________ Rutile in the Harford County, Md., serpentinite belt, by Norman Herz and L....Valentine________________________ Phosphate occurrences in Nye County and adjacent areas, Nevada, by C. L. Rogers, F...actinolite in latitic dike rocks, Bingham mining district, Utah, by W. J. Moore_____________________ |  | | Journal (article/letter/editorial) | | mineralizing processes, based on a worldwide molybdenite AC databank. We compared the δ98/95Mo (hereafter...(hereafter referred as δ98MoNIST) of 391 molybdenite samples (193 from the literature, 198 for this study)...types of occurrences and different ages. The 198 molybdenite samples we analysed represent various types of...ratio in the 391 molybdenite samples varied from 1.62 to 2.27‰, being higher for molybdenite formed in Alpine-type...occurrences the δ98MoNIST was determined on several molybdenite samples, showing variability at occurrence scale |  | | Report (issue) | | GEOLOGICAL SURVEY A bibliography of stockwork molybdenite deposits and related topics (with emphasis on...computer sorting A bibliography of stockwork molybdenite deposits and related topics (with emphasis on...citations brings together references on stockwork molybdenite deposits and related topics in a format that...world's molybdenite is produced from "stockwork" (Clark, 1972) deposits 1n which molybdenite is either...the major product (as at Climax and Henderson, Colorado, and Questa, New Mexico), or is a co- or byproduct |  | | Report (issue) | | GEOLOGICAL SURVEY Locatable Mineral Reports for Colorado, South Dakota, and Wyoming provided to the U.S.............................................. 1 COLORADO ................................................San Isabel and White River National Forests Lake County Land Exchange Offer (Iocmin40) ......................... 47 White River National Forest Dillon District Land Exchange Joint Venture (Iocmin38) ......................... 138 FIGURES OR ATTACHMENTS COLORADO Pike National Forests Shepard and Associates Land |  | | Journal (article/letter/editorial) | | of COLORADO ED RAINES Geology Museum Colorado School of Mines 1310 Maple Street Golden, Colorado 80401...noted Figure 1. Camp Bird mine, level 2, Sneffels district, Ouray County. Raines-Pettem collection,...photographer unknown. B etween 1868 and 1922, Colorado produced almost 260 million pounds of copper....from the Leadville district, with another 50 million pounds mined in San Juan County (Henderson 1926).... During the twentieth century, the Gilman district surpassed Leadville in total copper production with |  | | 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 .................................... |  | | Report (volume) | | GEOLOGY OF THE SAN JUAN REGION OF SOUTHWESTERN COLORADO BY WHITMAN CROSS AND ESPER S. LARSEN UNITED...thickness, and volume.. Conejos andesite._________-_^__ Intrusive rocks of Conejos age._ 'Treasure Mountain...__-__ Resources. ____ __ ^_____ _ ______ Metal mining.._____________-_-------__--_-______-____--_____Production...of the San Juan region, Colorado _________ In pocket 2. Relief map of Colorado showing the relation of...San Juan region to the other mountain masses of Colorado.__________ 10 3. Drainage map of the San Juan |  | | Corporate Document | | REPORT ON THE HUDSON BAY MOUNTAIN PROPERTY OMINECA MINING DIVISION WEST CENTRAL BRITISH COLUMBIA NTS 093E/14W...East-West geological cross-section through the Glacier Gulch (Yorke-Hardy) deposit. .....26 LIST OF TABLES...Discoveries Ltd. (Aumega). The claims surround the Glacier Gulch (Yorke-Hardy) porphyry molybdenum deposit...Mountain. The Glacier Gulch (Yorke-Hardy) porphyry molybdenum deposit lies beneath the glacier in the center...porphyry, all of which host varying degrees of molybdenite mineralization. Mineral occurrences on the Aumega |  | | Journal (article/letter/editorial) | | the tellurides are unusually interesting to the mining geologist and the prospector, as compounds of gold...Kalgoorlie (Western Australia), Cripple Creek (Colorado), and Kirkland Lake (Ontario), and all of these...severalspectacularspecimensof ore from the Robb-Montbray Mine, Montbray Township, Quebec; to Dr. M. H. Frohberg...Hopkins for specimens from the Wright-Hargreaves Mine, Kirkland Lake, Ontario; to Dr. E. P. Henderson...specimen of hessite and petzite; to the several mining companies in Ontario and Quebec for supplying specimensof | | Verplanck, Philip L., Manning, Andrew H., Kimball, Briant A., McCleskey, R. Blaine, Runkel, Robert L., Caine, Jonathan S., Adams, Monique, Gemery-Hill, Pamela A., Fey, David L. (2008) Ground- and surface-water chemistry of Handcart Gulch, Park County, Colorado, 2003-2006. Open-File Report Vol. 2008 (2007-1020) US Geological Survey doi:10.3133/ofr20071020 | Report (issue) | | Surface-Water Chemistry of Handcart Gulch, Park County, Colorado, 2003–2006 Open-File Report 2007–1020 U.S...Divide in the upper portion of the image, the rock glacier in the middle of the image, and the trunk stream...Surface-Water Chemistry of Handcart Gulch, Park County, Colorado, 2003–2006 By Philip L. Verplanck, Andrew...surfacewater chemistry of Handcart Gulch, Park County, Colorado, 2003–2006: U.S. Geological Survey Open-File...Figures 1. Map of central and western Colorado showing location of Colorado mineral belt and study area ... |  | | Report (volume) | | vols. 3, 4, 5, nos. 1, 2. American Institute of Mining Engineers: Bulletin, nos. 145-156; Transactions...nos. 1-9. San Francisco, Calif. California State Mining Bureau: Bulletin, nos. 85-88; Preliminary report... 1-6, vol. 34, nos. 1-9. Ottawa, Out. Canadian Mining Institute: Monthly Bulletin, nos. 81-104; Transactions...Transactions, vols. 21, 22. Ottawa, Ont. Canadian Mining Journal, vols. 40, 41. Toronto and Montreal, Canada...New York. Colorado Geological Survey: Bulletins 11, 15, 17-19, 23, 24. Denver, Colo. Colorado School of |  | | Report (issue) | | _________________ ___. Nevada ___________ Elko County. - ______ ... _ Star mine, Harrison Pass _____ ____ Pag« 59...63 Good Hope barite mine, Tuscarora Range _____ _ ._. ________ Humboldt County Golconda manganese-tungsten...Ltd., mine...... --_--______.______ Lincoln County__-__-----_-----_-----___ Tern Piute district.........district____ .________..__ Nevada Scheelite mine.. _ ______ Hooper No. 2 mine __ _____ _ _ Yankee Girl mine_______________...Mountains_____________.____ Desert Scheelite mine..... _______ Gunmetal mine _ ___________ _ Manganese-tungsten |  | | Report (issue) | | GUIDE FOR EXPLORATION IN THE MONTEZUMA DISTRICT, CENTRAL COLORADO By Theodore Botinelly Open-File Report...The Montezuma district of central Colorado is a small base metal-silver mining district containing vein...more productive mines. Introduction The Montezuma district is an area of base metal-silver vein deposits...other Tertiary stocks in the Colorado mineral belt and elsewhere. The district is roughly triangular in shape...discovery of silver in Colorado was in the Montezuma district at the Coley deposit on Glacier Mountain in 1864 |  | | Report (volume) | | 1.71 Wrangell district..--..--.. ____-.-_---__-_._----..__-__-._172: Jiineau district._.-_-___.----_...174 Chichagof district._--____-------_--_--_-_-.-________--_-_. 175. Glacier Bay district-_____-_-.__-__--_-______--...area.________________________________ 176 Brady Glacier area. ........^... _______________________ 177...area____________________________________ 182" Hanagita-Bremner district--...!--------.------------------183Gulkana di...district__________._.____'_-____--____-______-. " 188. Curry district._____-___-_-_-_---___-__---__--___-_--___--_ 189 |  | | 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) | | 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) | | ANNOTATED GUIDE TO GEOLOGIC REPORTS AND MAPS OF THE GLACIER PEAK WILDERNESS AND ADJACENT AREAS, NORTHERN CASCADES...Miscellaneous topics Glacier Peak volcano, volcanism, and thermal springs Quaternary geology and glacier studies Regional...Location of the Glacier Peak Wilderness Index to geologic mapping in and near the Glacier Peak Wilderness...Wilderness Index to topographic map quadrangles of the Glacier Peak Wilderness and vicinity -- 2 3 5 INTRODUCTION...geology, mineral resources, and other aspects of the Glacier Peak Wilderness and vicinity in the northern Cascade |  | Febbo, Gayle E., Kennedy, Lori A., Nelson, JoAnne L., Savell, Michael J., Campbell, Michelle E., Creaser, Robert A., Friedman, Richard M., van Straaten, Bram I., Stein, Holly J. (2019) The Evolution and Structural Modification of the Supergiant Mitchell Au-Cu Porphyry, Northwestern British Columbia. Economic Geology, 114 (2) 303-324 doi:10.5382/econgeo.2019.4632 | Journal (article/letter/editorial) | | State University, Corvallis, Oregon 97331–5503, USA 6 Department of Earth and Atmospheric Sciences...8 AIRIE Program, Colorado State University, Fort Collins, Colorado 80523–1482, USA 9 Geosciences, University...12-km-long linear porphyry array in the Sulphurets district. It is genetically related to Early Jurassic Sulphurets...halo (190.3 ± 0.8 Ma, 191.3 ± 0.7 Ma; Re-Os, molybdenite) that is accompanied by phyllic alteration (stage...deposit, 192.0 ± 1.0 Ma, 191.1 ± 0.8 Ma; Re-Os, molybdenite) ~1,600 m to the east-southeast. Host structures |
|
