 | | Book |
| Gkologim-in-charge. CATALOGUE OF MINERALS FOUND IN COLORADO. BY • F. M. ENDLICH. [EXTRACTED FROM THE TENTH...been adopted. tar as practicable, analyses of Colorado minerals have been given. They will aid examination...of the catalogue. systematic enumeration of the Colorado mineral species and references to the publications...Endlich, S. IN COLORADO. X. D. The continuous development of mineral resources of Colorado is productive...Geological .Report for PS75. Now, the survey of Colorado is completed, many additions of species new to |
 | | Report (issue) |
| Economic Geology of the ·central City District .Gilpin County, Colorado By PAUL K. SIMS, A. A. DRAKE, ]R....Economic geology of the Central City district, Gilpin County, Colorado, by Paul K. Sims, A.A. Drake,. Jr...Central City district, Gilpin County, Colorado. 1963. (Card 2) 1. Geology, Economic-Colorado-Central City...City district. 2. Ore-deposits-Colorado-Central City district. 3. Mines and mineral re. sources-Colorado-Central...sources-Colorado-Central City district. I. Drake, Avery Ala, 1927joint author. II. Tooker, Edwin Wilson, 1923- joint |
 | | Journal (article/letter/editorial) |
| International University] at 22:16 23 December 2014 Gold mining is not romantic, it is dirty, and it is very hard...played out on a daily basis in opening the Colorado mining frontier, however, are very much the stuff...generation had seen an Colorado showing the Colorado mineral belt and the location of the mining districts discussed...1940; Elliot West 1997, verbal com.). scope of this mining economy. There simply was no other ecoThe initial...of 1858 were nomic force to compare with that of mining during the first all made along streams on the |
 | | Report (issue) |
| Geology and Ore Deposits of the Front Range Colorado By T. S. LO\'ERING and E. N. GODDARD GEOLOGICAL...cooperation with the Colorado State Geological Survey Board and the Colorado Metal Mining Fund ~ oopr is...__________________________________________ _ 1 Summary of mining districts---.---------------------Introduction...hornblende gneiss ____________ _ Quartzite at Coal Creek ________________ _ Igneous rocks _____________________________...Quartz diorite and associated hornblendite_ Boulder Creek granite _________________ _ Pikes Peak granite |
 | | Report (issue) |
| LOGY AND GOLD DEPOSITS OF THE CRIPPLE CREEK DISTRICT, COLORADO BY \V ALDEl\;IAR LINDGREN A:'\D FREDERIC... . . . . . . . First geological survey of the district .............................. _• . . . . . ..................... Geological structure of the district ............... _................... __ .. _....Cripple Creek granite ... ----.-----------------.----- _____________ . _. __ ... __ •.. Spring Creek granite..._____________ ........ . 100 Petrology of the district ______________ . _______________________________________________ |
 | | Journal (article/letter/editorial) |
| Mineralized Veins and Brecciasof the Cripple Creek District, Colorado TOMMY B. THOMPSON, ALAN D. TBIPPEL, AND...The vein depositsas exemplifiedby thoseof the Ajax mine cut Precambriancrystalline rocksandTertiary rocksof...basemetals-quartz-pyrite, (3) quartz-fluorite-pyrite-hematiterutile, (4) quartz-pyrite-rutile-calaverite-acanthite...highersalinitiesfoundin the upper 300 m of the Ajax mine levels;the fluidswereboilingandcontained CO•. Stage2...matrixconsisting of anhydrite, carbonate, fluorite,pyrite,andbasemetalsulfides. Two hydrothermaleventsge |
 | | Report (issue) |
| _________ . ___ ._ .. ________ . ____ _ History of mining development _. ______ .... _. __ . __ . ____ ....-- - ___ •••• _•. _•.. _. ___ . ___ . __ . Grey mine _. . . . ___ . _____ . _.. ____ .. _. ___ . ___...mines-Continued. United Globe mines-Continued. Buffalo mine _. .- . _____ ..... _... ______________________...Billings mine _____________ . ______________ . __ .. _____ .. _____________ . _____ Big Johnnie mine _____.... ____________· _. __ .. ____________ ~ Buckeye mine ..... ______ .... _. _________________ . ___ .: |
 | | Report (volume) |
| ______________-__ Dry Creek stock of quartz monzonite or granodiorite _ _ Granodiorite stock on Granite Creek.________________...________________ Payne Creek stock of metadiorite__________________ Hayes Ridge stock of quartz monsonite______-__-_-__...28 29 Parmenter Creek stock of quartz monzonite__.____-__ Syenite stock on Bobtail Creek___ __ _ _ ^...stocks. ^__- :_^-__._ 35 Relation of Dry Creek stock and Payne Creek stock to" '-' . Bull Lake fault_____________..._ _-i; ___________________ 44 :: .. O.'Bo-ien Creek fault____-^-_.__.____-1 iQ.'-J.- _ _ _-_--_______-__ |
 | Alford, Lee, Gysi, Alexander P., Hurtig, Nicole C., Monecke, Thomas, Pfaff, Katharina (2020) Porphyry-related polymetallic Au-Ag vein deposit in the Central City district, Colorado: Mineral paragenesis and pyrite trace element chemistry. Ore Geology Reviews, 119. 103295 doi:10.1016/j.oregeorev.2019.103295 | Journal (article/letter/editorial) |
| deposit in the Central City district, Colorado: Mineral paragenesis and pyrite trace element chemistry Lee...deposit in the Central City district, Colorado: Mineral paragenesis and pyrite trace element chemistry,...deposit in the Central City district, Colorado: Mineral paragenesis and pyrite trace element chemistry Lee...Department of Geology and Geological Engineering, Colorado School of Mines, 1516 Illinois Street, Golden...submitted to Ore Geology Reviews 1 ABSTRACT The Colorado Mineral Belt is a ~500 km long segment of calc-alkaline |
 | | Journal (issue) |
| Julius Weber Mamaroneck, New York COLORADO ISSUE #2 Articles Colorado locality index.............................. 323 by B. L. Muntyan What’s new in Colorado minerals? ...................................... Famous mineral localities: the Home Sweet Home mine ..................................................339 by M. I. Jacobson The San Juan Mountains of Colorado ..................................349 by J. A...10 cm tall, from the Yucca Hill claim, Park County, Colorado. Richard A. Kosnar specimen; photo by John |
 | | Report (issue) |
| GEOLOGY AND ORE DEPOSITS OF THE BLEWETT MINING DISTRICT By CHARLES E . WEA VER OLYMPIA, WASH.: E...."Geology a.nd Ore D eposits of the Blewett Mining District," by Charles E. Weaver, with the recommendation....................... Location and area of the district. . . . . . . . . . . . . . . . . . . . . . . ... . . . . . . . . . . . . . . . . 66 History of mining................. . ... . ..... .. .... . ........ . . . . . . . . . . . . . 84 Washington Meteor Mine ........................ .. ..... .. ... . 84 Location |
 | | Report (issue) |
| Tombstone district, Cochise County; Gila County, at Lost Gulch Mine, near Globe; Mohave County, in Mineral...Pima County, in Mammouth Mine, Schulty; Yavapai County, in ores of Bradshaw Mountains; Yuma County, in...in Castle Dome district; common in silver veins. ANTIMONY ORES. See Jamesonite and Stibnite. ARGENTITE...ARGENTITE (silver glance). Mohave County, in pre-Cambrian granite gneiss in Chloride, Mineral Park, and Stockton...Stockton Hill districts; Pinal County, at Silver King; Santa Cruz County, at Montezuma and Empress of India |
 | | Report (issue) |
| e showmg 'ynclinal structure north of Homemine ____ .. _... _____ .. __ ... __ Schu;ts showmg sudden...AuGUSTUS .TAGGAR, .Tr. INTRODUCTIOX. The mining district of the Black Hills. compri,ed within the Spearfish...westernmost of the streams mentioned, Spearfish Creek, forms for 20 miles an. impre:-;sive canyon in the...beds of the Cambrian; above the mouth of Annie Creek the stream leaves the last outcrop of schist, and...evrdent o<..,ca~wnllj ~tnkmg m~tance-, ot Elk Creek, flowmg east, drams on the ,outh the h1gh Algonk1an |
 | | Report (volume) |
| overlying Gem Hill formation.___________ 167 7. Bobtail quartz latite member of Gem Hill formation in Soledad...associated volcanic rocks are differentiated as the Bobtail quartz latite member and form local intrusive and... sometimes as low as 12°F. Cyclonic storms that pass over the area in the winter and spring are generally...----------.---.---------- 3 T 210 In Cottonwood Creek the section is composed of about 200 feet of white...Paleozoic rocks in the Inyo Range and the Randsburg district. The.Bean Canyon formation is also WILLOW SPRINGS |
 | | Journal (article/letter/editorial) |
| Downloaded by [University of Colorado - Health Science Library] at 05:32 11 October 2014 PART 1 Downloaded...Downloaded by [University of Colorado - Health Science Library] at 05:32 11 October 2014 A Historical...Historical Overview of t h e District and the Smuggler Union and Associated Mines and Veins of Marshall Basin... Inc. 1441 West 46th Avenue, Suite 14 Denver, Colorado 80211 n 1875 Co\orado was still a territory awaiting...Soptemberl0ctob.r 2000 319 Downloaded by [University of Colorado - Health Science Library] at 05:32 11 October |
 | | 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 (volume) |
| important were those in the Central City district, Colorado, from which about 300 tons of high-grade...Silver Cliff mine, Wyoming; the Jesse D No. 1 and No. 2 claims, Utah; and the Merry Widow mine, New Mexico...Utah; the Schwartzwalder (Ralston Creek) and Los Ochos mines, Colorado; the Early Day and Buckhorn claims...mines, Washington; the W. Wilson mine, Montana; the White King mine, Oregon; the deposits in the Pryor...deposits in the Dripping Spring quartzite, Gila County, Ariz. According to Nininger (1954, p. 43), as |
 | | Report (issue) |
| CALIFORNIA KERN COUNTY MOJAVE DISTRICT THE GOLDEN QUEEN AND OTHER MINES OF THE MOJAVE DISTRICT, CALIFORNIA...CALIFORNIA Kern County Mo.lave District THE GOLDEN QUEEN AND OTHER MINES OF THE MOJAVE DISTRICT, CALIFORNIA................ . General description of Mojave district ............................................................................. . Development of mining on Tropico Hill................................................................ . Rocks of the district.............................................. |
 | | Report (issue) |
| three-quarters 0£ a mile southwest of the Castle Creek camp. A part of the workings was not accessible... The Metai .Mines of Washington 193 SHERIDAN DISTRICT GENERAL FEATURES Ten miles by air line northwest...Cascade) District. Most of the holdings are in T. 38 N., R. 31 E., just across the Ferry County line into...into Okanogan County. The first location was made during 1897 and a year later the Zalia M property made...from th.e Phil Sheridan and Toroda mines, the district was dormant tmtil 1917. The total production has |
 | | Journal (article/letter/editorial) |
| Inc. 1441 West 46th Avenue, Suite 14 Denver, Colorado 80211 eraines@ Icolorado.net The Great Irony...house. Photo hy Uycrs, CB.1904. courtcs\ Ouraj County Historical Society. Volume 75, November/December...campaign (Nevins Figure 2. Map of the Telluride district showing the principal veins, adits, and shafts...to Ed Raines, who researches Colorado ‘s geology, mineralogy, and mining history, is part owner of FRS...historic preservation efforts in the Leadville mining district. Downloaded by [UZH Hauptbibliothek / Zentralbibliothek |
 | | Book |
| URANIUM GUIDEBOOK FOR THE PARADOX BASIN, UTAH AND COLORADO TABLE OF CONTENTS Page THE PARADOX BASIN OVERVIEW...AND MINING AREAS SLICK ROCK DISTRICT GYPSUM VALLEY DISTRICT BULL CANYON DISTRICT URAVAN DISTRICT GATEWAY...GATEWAY DISTRICT (EASTERN GATEWAY AREA) MC ELMO CREEK DRAINAGE AREA LA SAL CREEK AREA PARADOX DISTRICT BEAVER...VALLEY (BIG INDIAN) DISTRICT MOAB DISTRICT GREEN RIVER DISTRICT THOMPSONS DISTRICT INTER-RIVER REGION...INDIAN CREEK REGION DRY VALLEY DISTRICT COTTONWOOD AND BUTLER WASH AREAS MONTEZUMA CANYON DISTRICT SEVEN-MILE |
 | | Report (issue) |
| Professor Edwin H . Oshier, Head of the Department of Mining Engineering, made the photographs included in this...7 Bibliography . . . . . 229 Appendix: 252 Mine Index iii NOTATIONS AND ABBREVIATIONS CHEMICAL...Geological Survey in Washington, D. C., or Denver, Colorado, or from the Department of Geology and Geological...Boulangerite Jamesonite Sulfur Graphite SULFIDES (etc.) Pyrite Loellingite Marcasite Arsenopyrite Molybdenite...prospects in the lower Ludlow lignites. Harding County: 1. Abemathyite has been identified as a component |
 | | Journal (article/letter/editorial) |
| when a new pocket was broken into in the Mammoth Mine, Tiger, (Pinal Company), Arizona." ARKANSAS — Another...Delaware St., Oakland, Calif., and its locality was Clear Creek, San Benito Co., Calif. A very nice light greenish...Calif. COLORADO — Nice chocolate-brown xled cyrtolite was found last year in the Pine District, Jefferson...been found in Colorado and a noted locality in the State is Russell Gulch in Gilpen County. A small but... June 26-29, 1952. CONNECTICUT — The old copper mine near Bristol, Hartford Co., Conn., used to produce |
 | | Report (issue) |
| Smith. Director Professional Paper 138 MINING IN COLORADO A HISTORY OF DISCOVERY, DEVELOPMENT AND PRODUCTJON...location, area, and organization of the mining counties of Colorado _________________________ _ Adams County_-..._____________________ _ Alamosa County __________________________ _ Arapahoe County _________________________...Archuleta County _________________________ _ Baca CountY-----------------------------Boulder CountY------...CountY----------------------~----Chaffee County _____________________·______ _ Clear Creek County _______________________ |
 | | Report (issue) |
| areas _________ _ Palmdale, Valyermo, and Cajon Pass areas ____ _ San Francisquito Formation _____________..._ Oso Canyon Formation _________________ _ Meeke Mine Formation ________________ _ Rock units of central...areas __ Gem Hill Formation ________________ ~_-Bobtail Quartz Latite Member __________ _ Fiss Fanglomerate...possible occurrences of borate minerals_ Discovery and mining of borate minerals___ _ __ Geology of known borate...Francisquito Canyon area_____________ 45 47 27. Soledad Pass area ______ ~----------------48 28. Little Rock |
