 | | Report (issue) | | The Triangle of Colorado Mountains of Minerals Contributors David W. Bunk, Robert B. Cook, Don Earnest... Contents PAGE4 PAGE 10 4 The San Juan Triangle of Colorado Ho for the San Juans! by Duane A. Smith, Mark...and Karen A. Vendl L ocated in southwestern Colorado and covering over 31,000 square kilometers, the... Above: August sunrise on middle Blue Lake, Ouray County Photo Jack Brauer/WideRange Photo LLC, 2010...the Domfnguez Escalante 1776 expedition through Colorado, Utah, Arizona and New Mexico Ho for the San |  | | Journal (article/letter/editorial) | | Inc. 1441 West 46th Avenue, Suite 14 Denver, Colorado 80211 eraines@ Icolorado.net The Great Irony...following the Silver Panic of 1893, h c . I I.S. Treasury faced a rapidly dwindling gold reserve. I'residen...house. Photo hy Uycrs, CB.1904. courtcs\ Ouraj County Historical Society. Volume 75, November/December...aware that these deals would benefit the U.S. Treasury and stave off great financial hardship, they took...preached what amounted to Ed Raines, who researches Colorado âs geology, mineralogy, and mining history, is |  | | Journal (issue) | | Julius Weber Mamaroneck, New York COLORADO ISSUE #2 Articles Colorado locality index.............................. 323 by B. L. Muntyan Whatâs new in Colorado minerals? ......................................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...Natural History for conceiving the idea of a second Colorado issue and for helping a great deal in bringing |  | | Book | | MINES AND MINERALS OF THE GREAT AMERICAN RIFT (COLORADO-NEW MEXICO) Sine â_â< Âą 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 resourcesâColorado. 2. Mines and mineral resourcesâNew Mexico. I. Kennedy, Marrianna...minerals of the Great American Rift in New Mexico and Colorado. Great American Rift is the name we use for a |  | | Journal (article/letter/editorial) | | inch on edge, from the Henderson mine, Clear Creek County. Figure 2 (right). Green fluorite encrusted with...Mountain Wilderness area near Columbine Lake, La Plata County; largest crystal measures 1.25 inches on edge;...C*O*L*O*R*A*D*O FLUORITE BARBARA L. MUNTYAN Ouray County Museum Ouray, Colorado 81427 Mineral photographs by John...locations in Mexico; in Elmwood, Smith County, Tennessee, and in Hardin County, Illinois, in the United States;...eastern Russia. It also occurs in many localities in Colorado, where it is found in colors ranging from pale |  | | Journal (article/letter/editorial) | | [University of Nebraska, Lincoln] at 13:31 09 June 2016 Colorado boasts numerous localities where fine sphalerite...of sphalerite also occur at many localities in Colorado, in shades of amber, emerald- or lime-green,...rail for the mines, standing on Main Street in Ouray (1886). The Wright Opera House is the large building...Muntyan, former director of the Ouray County Museum in Ouray, Colorado, is a frequent contributor to Rocks...in her series on Colorado minerals appeared in the July/August I994 issue (âColorado Pyriteâ), September/October |  | | Journal (article/letter/editorial) | | Although Colorado may be most noted for rhodochrosite or amazonite, the many varieties and associations...a k e w o o d , Colorado 80225 DIANNE L. K I L E 333 S a l e m Street Aurora, Colorado 80011 C O L O...and J. A. Mur phy for an update to Minerals of Colorado: A 100-Year Record (Eckel, 1961). 374 ROCKS... Quartz was a familiar gemstone to many early Colorado residents, as documented by an extensive body...body of literature. The first published list of Colorado mineral localities (in cluding quartz) was included |  | | Journal (article/letter/editorial) | | (above). Pyrite, Alice Glory Hole, Clear Creek County. Cluster of intergrown crystals showing light...(right). Pyrite, Mountain Spring mine, Rico, Dolores County. Cluster of modified cubes; specimen 2 by 2 inches;...C*O*L*O*R*A*D*O PYRITE BARBARA L. MUNTYAN Ouray County Museum Ouray, Colorado 81427 Mineral photographs by John...Park City, Utah; Washington State; and numerous Colorado localities. Pyrite crystallizes in the isometric...Pyrite is the most common sulfide mineral found in Colorado; it is found in a wide variety of occurrences |  | | Book | | 193-256 137-208 129-192 209-264 193-256 [ [ COLORADO-Ill] 177-256 121-184 89-168 1-120 1-88 [ ...177-256 185-280 169-248 [ 425-528 337--400 COLORADO-II] 321--400 337--400 ARIZONA-Ill] 337--400...69-132 65-128 1-64 11 / 1980 20 I 1989 [ COLORADO-I] [ 289-352 385-448 [ AUSTRALlA] 353-504...Iaria from the Howard-Montgomery quarry, Howard County, Maryland (by J. S. White) 25:53-54 AFGHANISTAN...Iron-manganese phosphates of the Williams pegmatites, Coosa County, Alabama (by P. B. Leavens & T. A. Simpson) 6:66-73 |  | | 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 |  | Doe, B. R., Steven, T. A., Delevaux, M. H., Stacey, J. S., Lipman, P. W., Fisher, F. S. (1979) Genesis of ore deposits in the San Juan volcanic field, southwestern Colorado; lead isotope evidence. Economic Geology, 74 (1) 1-26 doi:10.2113/gsecongeo.74.1.1 | Journal (article/letter/editorial) | | Depositsin the SanJuanVolcanicField, Southwestern Colorado LeadIsotopeEvidence B. R. DOE,T. A. STEVEN,M....Antonito COLORADO NEW MEXICO L 0 100 KILOMETERS Fro. 1. Index map of southxvestern Colorado, showing...igneouscenter of latest Cretaceousage near Ouray, Colorado, and from the EoceneTelluride ConglomerateFormation...Tertiary volcanicrocks northeastof Telluride, Colorado. A few disseminated depositsof the "porphyrycopper"...The volcanichistory of the San Juan Mountains, Colorado, in general has been outlined by Lipman et al |  | | Journal (issue) | | UNIQUE UNDERGROUND LABORATORY ........703 THE OURAY, COLORADO, AREA. By Karl H11dson ......................and colorless in the center and topaz yellow, amethyst and rose colored near the walls.- The \'ein was...Gouverneur, a translucent rhomb of calcite of a light amethyst color. It measures 6" x 4" x 2". But I never could...well as almost any kind of gem stone, inâą cluding amethyst, there being huge manâą ganese deposits 1n the...Ontario, and to Murray Bay and Wakefield in Quebec. Colorado, U.S.A.: Carnotite deposits, found to some extent |  | | Book (edition) | | â _ ; COLORADO GEM TRAILS AND MINERAL GUIDE ! â : ' BOOKS BY RICHARD M. PEARL Colorado Gem Trails...Trails and Mineral Guide Colorado Rocks, Minerals, Fossils Americaâs Mountain: Pikes Peak and the Pikes...Nature As Sculptor: A Geologic Interpretation of Colorado Scenery Guide to Geologic Literature Popular Gemology...Gemology Mineral Collectors Handbook Colorado Gem Trails The Art of Gem Cutting (With Dr. H. C. Dake)...Dake) * RICHARD M. PEARL â
COLORADO GEM TRAILS AND MINERAL GUIDE â
SKETCH MAPS BY MIGNON WARDELL PEARL |  | | 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 .......................................... |  | | 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 variegatedâŻocher. BIBB COUNTY GENERAL AREA: c county gravel pits along the Cahaba R.âŻgemmy |  | | 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 variegatedâŻocher. BIBB COUNTY GENERAL AREA: c county gravel pits along the Cahaba R.âŻgemmy |  | | 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) | | & W. L. Roberts The Stoneham barite locality, Colorado.................................................R. Kampf Natural History Museum of Los Angeles County George Robinson National Museums of Canada Arthur...Houston, Texas 77036 Tom Rosemeyer P.O. Box 586 Ouray, Colorado 81427 he National Belle mine became famous...on the dumps. T INTRODUCTION South from Ouray, Colorado, U.S. Route 550 hugs the Uncompahgre River...road climbs again it twists and passes by the Treasury Tunnel trestle of the famous Idarado mine which is |  | | Book | | Petrified Forest Trails Arizona Gem Trails and the Colorado Desert of California High Tension (A Biography)...\merica Alabama Alaska Arkansas Arizona California Colorado Connecticut Delaware Florida Georgia Hawaii Idaho... jasp-agate, jasper, quartzite, rock crystal, amethyst, chrysoprase, opal, etc.), serpentine, and steatite...and lapis lazuli, clear red carnelian, purple amethyst, and rock crystal-all mounted in heavy gold settings...pods of a desert plant. A third was of turquoise, amethyst, and hollow gold balls held together with gold |  | | Report (volume) | | STATES Alabama Alaska Arizona Arkansas California Colorado , Page 69 Connecticut 120 Georgia 121 165 Idaho...Co.. Utah 1381 Albert Beacon Gold Mining Co., Colorado 591 Albert Copper Co., Quebec 1654 Albion Cons...Mining Co., Michigan.... 753 Almaden Mines Co., Colorado.... 498 Almaden Quicksilver Mines Co., Spain 1818...1384 Alta Tiger Mining Co., Utah.... 1384 Alta Tunnel & Trans. Co., Utah.. 1384 Alta-Utah Mines Co.,...Explor. Co.. Nev..l008 American Mining & Power Co., Colorado 498 American Molybdenite, Ltd., Ont.1595 American |  | | Journal (volume) | | MACHINERY COMPANY 703 EXCHANGE BUILDING , DENVER , COLORADO BOTH PHONES PRINTING Century 604 FINE ILLUSTRATED...Price Share We have struck good milling ore in our tunnel at a distance of 560 feet in , and at a vertical...milling purposes. FOR A SHORT TIME WE WILL SELL TREASURY STOCK , IN FIVE MONTHLY PAYMENTS , AT 50 PER SHARE...Gold Butte, in St. Thomas Mining District , Clark County, Nevada. Eighteen claims . Large spring. Splendid...Hoist and Ore Birs, Johnnie Mine. portion of Nye county , Nevada, twelve miles east of Amargosa ery- Shoshone |  | | Report (issue) | | _________________ ___. Nevada ___________ Elko County. - ______ ... _ Star mine, Harrison Pass _____... Tuscarora Range _____ _ ._. ________ Humboldt County Golconda manganese-tungsten depositNorth workings...naine________________ Mine near Green Talc mine. _____ Nye County ____ _._-___-________-___ Gabbs area __ _____________________..._____ Brucite and magnesite deposits. __ Pershing County __ Rocks in the West Humboldt Range ..~ Limerick...California Continued Nevada Continued White Pine County.._________________ Cherry Creek district______________ |  | | Book | | commercial ores and secondary minerals by state, county, township, and geologic range. For easy identification...cities, and many of todayâs prosperous western county seats began as mining-boom camps. trating sand...Whether you such as those listed alphabetically by county, township, and range in Part II of this book. Where...estimate how deep a shaft should be sunk to reach the tunnel which is being driven to it, and to determine the...regional offices include: Federal Center, Denver 25, Colorado; 345 Middlefield Road, Menlo Park, California; |  | | Report (issue) | | '1030571 04 M030562 04 M030563 04 '1030584 04 CouNTY DEPosir 'ostHP +litire LAtiroOE ⊠Looroae 28N...12E 09 32-18-234 111-07-1bw P8 CUV MU AGV OMEGA TUNNEL PdV PImA ZN AUV 185 15E 24 31-51-224 11U-4b-lOw...GEOLOGIC MAP OF THE GARNET MOUNTAIN QUADRANGLE, MOHAVE COUNTY, ARIZONA: U.S. GEOL. SURVEY, OPERN-FILE MAP 75-93...BLACK MOUNTAINS, AND GRAND WASH CLIFFS, MOHAVE COUNTY, ARIZ.: U.S. GEOL. SURV. BULL. 39?, P. /18.-127...BULL. 180, P. 230-238. 6/MALACH, R., 1974, MOHAVE COUNTY, SKETCHES OF THE. EARLY DAYS: KINGMAN, AZ., 142 |
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