 | | 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 |  | | 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 |  | | Book (edition) | | were shaped by some accident of For instance, agate How is their formation. frequently found in...chrysoberyl cats-eye are valued chiefly for pattern, and agate and jasper among semi- precious materials are...the many types of agate, opal and petrified this region is noted. The agate is wood for which...specific locations are comparatively few, but jasper, agate and even more valuable stones may turn up almost...diagonally through matrix rock. Polished Fairburn agate from South Dakota. \\ jfc^ ^ ^ * Emerald in |  | | Book (edition) | | — _ ; COLORADO GEM TRAILS AND MINERAL GUIDE ! ■ : ' BOOKS BY RICHARD M. PEARL Colorado Gem Trails...Trails and Mineral Guide Colorado Rocks, Minerals, Fossils America’s 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 ★ COLORADO GEM TRAILS AND MINERAL GUIDE ★ SKETCH MAPS BY MIGNON WARDELL PEARL |  | | Report (volume) | | is most often used in porous stones, such as the agate. The unattractive gray and pale shades may be changed...shades. The common dyeing procedure is to soak the agate in the desired chemical (nitric acid for red shades...and sulfates for blue shades). The Romans dyed agate by soaking it in honey, removing it from the liquid...the same effect is achieved by first soaking the agate in a sugar solution, and then in sulfuric acid to...eventually deposited as alluvial gravels. Opal and agate are formed from aqueous solutions. Diamonds are |  | | Journal (issue) | | of Missouri. THE Notes on EARTH SCIENCE Colorado Minerals by Victor Shaw FOREWORD On this brief...brief paper dealing with minerals of Colorado, it perhaps is not necessary to devote much space to detailing...a northeast and southwest direction in central Colorado. Also it seems advisable to mention here the well...collectors. ORE MINERALS Speaking generally Colorado is one of our most richly mineralized states,... smithsonite, and zincite. Added to the above Colorado produces many rare ores such as molybdenite, of |  | | Report (issue) | | UNDERGROUND WATERS OF THE ARKANSAS VALLEY IN EASTERN COLORADO BY , 2ST-. H- WASHINGTON GOVERNMENT PRINTING...UNDERGROUND WATERS OF THE ARKANSAS VALLEY IN EASTERN COLORADO BY , 2ST-. H- WASHINGTON GOVERNMENT PRINTING...Glaciation of the Yellowstone Valley north of the Park, by W. H. Weed. 189S. 41 pp., 4 pis. B 108. A geological...27 pis. B 159. The geology of eastern Berkshire County, Massachusetts, by B. K. Emerson. 1899. 139 pp...Geology and petrography of Crater Lake National Park, by J. S. Diller and H. B. Patton. 1902. 167 pp |  | | Journal (issue) | | Huizing, 534 I Thrasher Dr, Cincinnati OH 45247 USA Please, make checks payable to Mineralogical Almanac...encourage your submissions. James D. Endicott: Colorado Gem Miner Mark Ivan Jacobson I 08 Farmington Drive...Pearl lPearl I 95 I, p. 15) in his classic, ·'Colorado Gem Trails;' stated that '·no name appears more...history of Colorado gem mining. In 1907, Endicott discoYered amazon stone in Custer County, aquamarine...(later known as the Devils Hole pegmatite), Fremont County and facetable almandine garnets near Canon |  | | Journal (issue) | | Lloyd IY7. Fisher .................. 11 S TRIP TO AGATE, NEBR. By 11,lrs. Nick 1\111e!/er ......................................................... 136 COLORADO PLATEAU PROGRAM. By John K . G11stafso11 .:.....Frank H . lf1/askey ............ 140 GEODES AT GARDEN PARK, COLO. By Glenn R. Seo// ......................PROSPECT PARK, N . J. By T . Orchard Lisle .................. 158 AEC OFFICIAI.S Discuss COLORADO PLATEAU...pay a flat rate per day for the use of the roof garden and tables (which will be furnished by the hotel) |  | | 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 |  | | Book (edition) | | describes sites under of the nearest town and county. and the many maps included book contain such...Chrysocolla, Turquoise LJ Emerald, Beryl ^"^ Agate ** Jade Amethyst nq -* % Gem Hunter's...color, as in emeralds; their pattern, as in moss agate; or their play of eral color, as in opals. Fashion... such as agate and jasper, are described as cryptocrystal- line. For example, an agate nodule may...cat's- more but inexhaustibly various patterns of agate and jasper. So typical are their patterns that |  | | Book (volume) | | SOUTHWESTERN QUADRANT Arizona, Arkansas, California, Colorado, Louisiana, Nevada, New Mexico, Oklahoma, Texas...Southwestern Quadrant Arizoni, Arkansas, California, Colorado, Louisicna, Nevada, New Mexico, Oklahoma, Texas...Location Numbers Arizona Arkansas California Colorado 258 Louis B30 ana HOW TO USE THIS BOOK...volumes, through very precise directions and accurate county maps, to get you to the best and most accessible...for the county in which it is located. This site number also appears under the given county in the text |  | | Book | | famous was the single beryl stone found in Oxford County in Maine that weighed 18 tons and was 18 feet in...other hand, inclusions in agate give the characteristic effect that makes moss agate so valuable. An example...example is the moss agate of eastern Montana which sometimes produces scenes of unbeliev¬ able verisimilitude...see through. Quartz, sapphire, fine emerald, some agate, some obsidian, topaz and diamonds are glassy or...Sapphires and rubies are found in North Carolina, Colorado, Idaho, Indiana, Cal¬ ifornia and Montana, but |  | | Journal (issue) | | Polished minerals range from small cabochons to large agate slabs, etc. New and out of print books are also...LEE, Jersey City, N. J. Few people realize that Colorado alone exceeds New Jersey, in the value and diversity...Schuyler Mine, as it is usually called, lies in Bergen County upon property secured by Captain William Sanford...of Militia and of the Regiment of Horse in the County of Bergen, Colonial Wars, having the management...Schuyler Copper Mine at North Arlinqton, Berqen County. New Jeraey. 1. Note regarding the presence of |  | | Journal (article/letter/editorial) | | upper Curtis Formation in Wayne County, north of hanksville, showing red agate layers. R. D. Dayvault photo...localities, the northern in Emery County and the southern in Wayne County, Utah. Formation outcrop areas...KILOMETERS 0 1 2 3 4 MILES GOBLIN VALLEY STATE PARK 24 EMERY CO WAYNE CO NORTH CAINVILLE REEF Figure...Research Program, Central Branch MS-418, Denver, Colorado 80225 dkile4@comcast.net Richard D. Dayvault...Junction, Colorado 81507 geocycad@icloud.com William C. Hood 515 Dove Court Grand Junction, Colorado 81507 |  | | Report (volume) | | A. F. Rogers, Stanford University, Palo Alto. Colorado.........Prof. R. D. George, Boulder. Connecticut...See Bauxite and Hallpysite. Asbestos. Tallapoosa County, with corundum deposits near Dudleyville; not found...commercial quantity or quality. Asphalt. Colbert County, small quantity has been shipped from near Leighton;...following localities: Bibb County, Pratts Ferry; Calhoun County, near Tampa; Clay County, T. 20, Pv. 7 E.; Jefferson...Jefferson County, at Elyton; Lee County, at Chewacla lime works; St. Clair County, at Gfeensport; Shelby |  | | Journal (article/letter/editorial) | | first phyllite we ever saw from sers" area, Sonoma County, Calif. It was noted by M. Vonsen in CALIF. JOUR... ranging in in a road cut situated in Randolph County, size from 2 to 4 millimeters. Sometimes it Ala...think it Tops". COLORADO — Nice specimens of agate have been found at Garden Park in Fremont Co., 7 miles...Castle Co., Del. FLORIDA—Merton McKown, of So. Ozone Park, N . Y., is spending the winter in Florida (2918...site of radio station W W V , in Prince Georges County, Md., about two miles East of Beltsville, Md., |  | | Book | | authorHouse® Table of Contents Introduction Foreword * Colorado Gemstone-Aquamarine Vii Vili Fossil-Stegosaurus...Gemstone-Freshwater Pearl Soil-Crider Series Mineral-Coal Rock-Agate * Maryland Fossil Shell-Ecphora gardnerae gardnerae...Gemstone-Lake Superior Agate Vil * Mississippi * Louisiana Gemstone-Agate Fossil-Petrified Palmwood...Montana Agate Fossil-Maiasaura peeblesorum * Nebraska Rock-Prairie Agate Gemstone-Blue Agate Fossil-Mammoth...South Dakota Mineral-Rose Quartz Gemstone-Fairburn Agate Fossil-Triceratops Jewelry-Black Hills Gold Soil-Houdek |  | | Report (volume) | | ............................................. Colorado.................................................especially from those of Arkansas, California, Colorado, New Mexico, Oregon, South Dakota, Tennessee,...minerals and rocks, their occurrence and uses: Colorado State Geol. Survey Bull. 6, 1913. 8 USEFUL...See Bauxite and Halloysite. Asbestos. Tallapoosa County, with corundum deposits near Dudleyville; not found...commercial quantity or quality. Asphalt. Colbert County, small quantity has been shipped from near Leighton; |  | | Journal (issue) | | gravescompany.com lij Introducing ... GROBET USA™ 1/3 HP Flexible Shaft Permanent magnet DC motor...ALL speeds! Machine more torque Our new GROBET USA™ high-torque PM motor delivers the most powerful...Beautiful chrome finish. Precision built in the USA! Complete Flexible Machine l...Portland Regional Gem & Mineral Show Washington County Fairgrounds Hillsboro, Oregon October 4 - 6, 2002...Virginia 8 18 Geological attractions in Greenbrier County; 32 by Dorothy S. Sites 60 70 Charting British |  | | Journal (issue) | | This Issue . . . [HE ROYAL GORGE NEAR CANON CITY, COLORADO . Ue eee. Cover photo CANON CITY PANORAMA, Richard...invites you to come to Canon City in Colorful Colorado on June 26, 27, 28, and 29, 1952. Canon City is...als Al Look, paleontologist of Grand Junction, Colorado, whose lecture is titled: “In My Back Yard.” Here...Federation and Rocky Mountain Federation in Canon City, Colorado. Sincerely, H. W. ECKERT President of the Rocky...City Panorama by Richard Canon City, seat of Fremont County and site of the 1952 convention of the American |  | | Journal (issue) | | Calvert and I visited an old-time collector in Dallas County who was disposing of her stuff. I picked up a nice...skeleton of a stego saurus was recently recovered in Colorado, according to Throughout the rest of the week...were old sites, and many Dan Grenard of the Garden Park Fossil Area. It's a rare find, with the bones...Telephone: 515-961-8992 in Canyon City or Denver, Colorado. Three years of Laurre is a collector and is interested...vandalized. About 700 pounds of uncut Brazilian agate was stolen from the site. The material has an average |  | | Report (chapter) | | structure of the Front Range and Wet Mountains, Colorado, based on apatitefissiontrack thermochronology...deformation, in the Front Range and Wet Mountains of Colorado. AFT cooling ages are also used to estimate the...of the southern Front Range between Golden and Colorado Springs are from 100 to 270 Ma, and the mean track...and Von Bibber Canyons, just north of Golden, Colorado. To the south, eastverging thrusts and > 100...thermal effects of pluton emplacement along the Colorado Mineral Belt during Laramide deformation and in |  | | Journal (issue) | | Museum (Historical Geology) Richard M. Pearl, Colorado College (Mineralogy) Kenneth Ross, Field Director...Director, Explorer's Camp, Mesa Verde, Colorado (Archeology) Arnold Goodman, Boston University (Microscopical...Mineral Club, the Boston Mineral Club, The Oxford County (Me.) Mineral and Gem Association, the Queens (N...especially those of the Morrison formation, of Colorado, Wyoming, Utah and Montana, have yielded some...plaster and burlap plant near Sewell in Gloucester County, only about 10 miles from Philadelphia. One day |  | | Report (volume) | | CHARLES D. WALCOTT, DIRECTOR A GAZE~?TEER OF COLORADO BY HEN.R Y GANNETT WASHINGTON GOVERNMENT PRINTING... _A GAZETTEER OF COLORADO. By HENRY ' GANNET,T. GENERAL DESCRIPTION. Colorado is_situated about midway...and Sheridan, 14,038 feet. Between the Front and Park ranges is a series of high mountain valleys extending...cross ranges. The most northerly of these is North Park, in which rises North Platte River. It is mainly...of it is Middle Park, in which heads Grand River, which flows westward 1across the park and cuts a -gap |
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