 | | Journal (article/letter/editorial) | | Two Point claim, Pikes Peak batholith, Teller County. The Collector’s Edge specimen, Jeff Scovil photo...Mail Stop 150, Box 25046 Federal Center Denver, Colorado 80225 pmodreski@usgs.gov C olorado is, of course...prohibitions on collecting or to private land or mining claims for which permission has been obtained....been written as guides to mineral collecting in Colorado. A classic, which went through three major editions...1951 version with a slightly different title), is Colorado Gem Trails and Mineral Guide, by Pearl (1951, |  | | 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 (article/letter/editorial) | | Radioactive columbite is related to a particular pegmatite district, its paragenetic position, and the presence...of the properties and textures of the opaque pegmatite minerals in polished section. Species studied...the discovery, at the Mica Lode pegmatite in Fremont County, Colorado (Heinrich, 1948), of a relatively...specimenswere collectedby the writer. Eight-Mile Porh, Fremont Co., Colorad.o Ref.: Heinrich, 1958 Deposits...(5),3.95 (4), 3.45 (4),1.73 (4)]. Dedls Hole, Fremont Co., Col,orod.o Ref.: Hanley et al., 1950 Thinly |  | | Journal (article/letter/editorial) | | 1965 MINERALOGY AND PARAGENESIS OF THE COTOPAXI, COLORADO, Ct-Zn SKARN DEPOSIT Cuenr.BsA. Sar-orrr,Departmentof...base-metal deposits crops out in south-central Colorado. At Cotopaxi mineralization is confined to a small...INrnonucrroN Nearly all metallic mineralization in Colorado is associatedwith igneous rocks and structures...but little-studied ore deposits in south-central Colorado is Precambrian in age. These deposits (Fig. 1)...Chaffee County Cleora district prospects (Fig. 1, No. 2) Sedaliamine (Fig. 1, No. 1) Turrett district (Fig |  | | Journal (article/letter/editorial) | | FEBRUARY, 1965 THE CHIEF LITHIUM PEGMATITE, DEVILS HOLE, FREMONT COUNTY, COLORADO1 E. Wu. HnrNnrcu eNo...mately one airline mile north of the well-known Devils Hote (lingneim) pegmatite (Hanley et aI.,1950)...on the south side of the Antelope Gulch, about I mile west of the junction betweenAnterope and E a s t...) . and chemicals corporation in canon city, colorado. However, Iithium minerals were rumored to have...found in this area as early as 1956. The Chief pegmatite was exploredfor lithium and berl,llium in the |  | | Journal (article/letter/editorial) | | ZONING IN PEGMATITE DISTRICTS* E. Wu. HurNnrcrr, University of Michigan, Ann Arbor, Michigon ABSTRACT...ABSTRACT fn numerous pegmatite districts the size, shape, external and internal structure, texture and mineral...mineral content of an individual pegmatite can be shown to be functions of the distance of the body from...Widespread and intensive field investigations of pegmatite mineral deposits during the last 15 years have...attention has been directed toward the study of pegmatite districts or provinces and toward relating the |  | Collins, Donley S., Cobban, Robert R., Foord, Eugene E., Murphy, Jack A. (1989) Bibliography for update and revision of U.S.G.S. Bulletin 1114, Minerals of Colorado -- a 100 year record, by Edwin B. Eckel, Part A - Paper copy --Bibliography data file disks. Open-File Report Vol. 1989 (89-206) US Geological Survey doi:10.3133/ofr89206a | Report (issue) | | Survey Denver, Colorado Department of Geology, Denver Museum of Natural History Denver, Colorado NOTE FOR...revision of U.S.G.S. Bulletin 1114, Minerals of Colorado A 100 year record, by Edwin B. Eckel By Donley...Prepared in cooperation with Friends of Mineralogy - Colorado Chaptar, and the Denver Museum of Natural History...references dealing with the mineralogy of the state of Colorado. It is part of a more than 10 year effort to update...and revise U.S.G.S. Bulletin 1114, Minerals of Colorado: A 100 year record, by Edwin B. Eckel (1961). |  | | 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 .................................... |  | | 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 |  | | Journal (issue) | | Uzbekistan; and the Emma Mine, Little Cottonwood District, Salt Lake Co., Utah. In most locations, tungstenite...News, P.O. Box 2043, Coeur d'Alene, ID 83816-2043 USA Phone: 208-664-2448 • 3 E-mail: lream@comtch.iea...longer possible and there really is no place to park in the immediate area. Best bet is to have a non-collecting...V anadiun1 l\'line, l\fagnet Cove, Hot Springs County, Arkansas is Reclaimed and Collecting Ceases...the day that open-pit mining would reveal its expected buried treasures. Mining by Union Carbide for vanadium |  | | 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 |  | | 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 |  | | Book (volume) | | Isle Royale National Park were rendered by Superintendent John G. Lewis and Park Historian Lloyd Abelson...Furcron, Chief Geologist of the Department of Mines, Mining and Geology; on the State of Michigan by Robert...Kobuk jade locality. Descriptions of San Diego County, California, gemstones and the mines in which they...the generous assistance of many residents of that county. My special thanks are extended to Elbert H. McMacken...orthoclase crystal Map of Amelia, Va. An amazonite pegmatite Dr. George F. Kunz California kunzite crystals |  | | 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..._________________ _ Harding sandstone _________________ _ Fremont limestone _________________ _ Devonian _______..._____________________ _ Copper deposits in Jefferson County __ _ F. M.D. property _____________ _ Malachite |  | | Book (edition) | | interesting facts about the people involved in mining, current price lists of various stones, and numerous...from the Tourmaline Q ueen .1ine, Pala, San Diego County, California. From a pen-and-ink drawing by W. E...information is included on the persons involved in mining the deposits, with dates and other pertinent information...W. pegmatite mine, Pala, California 17. Mack mine, Rincon, California 18. Beryl-bearing pegmatite, Baja...Ramona, California 21. Gem-bearing pocket in pegmatite, Baja California 22. Drawing of topaz crystal |  | | 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 | | mid-1957, of vvhich 70% is in New Mexico, 16% in Colorado, Utah, and Arizona, and 8% in Wyo1ning. These...doubtless the U.S.S.R., likewise established uranium mining industries. These efforts in the Reid and in the...siliceous and Ruoritic types, and the oxidized Colorado Plateau deposits are desc1ibed vvith those that...origin, e.g., Blind River, \i\litwatersrand, and Colorado Plateau. The writer has attempted to present equitably.... . . . 165 180 182 Chapter 5: RADIOACTIVE PEGMATITE DEPOSITS Geological Characteristics of Pegmatites |  | | Book (edition) | | abbreviations: Rep. (republic), prov. (province), co. (county), munic. (municipio), pref. (prefecture), dept...dept. (departement), dept. (departamento), dist. (district). Less common terms are not abbreviated, e.g....always included in text, except in the cases of the USA, UK, and the provinces Ontario and Quebec in Canada...Uintah County. Utah. and m (2.B. acanthite group). Monoclinic, C2/m, a,b,c Rio Blanco County. Colorado...Clear Creek co., and at Rice, Dolores co., both Colorado, at the Questa mine, Taos co., New 1994. Abernathyite |  | | Book | | long (Marty, 2004 ). AFRICA widely in Litchfield County, where good crystals were taken from quartz veins...region (Brunet, I 977b ). NEW YORK Amity, Orange County. At many isolated collected sites between the towns...have been found with spine! in marble less than 1 mile southwest of Amity (Chamberlain and Robinson, 2013)...Mount Malosa, Chilwa alkaline province, Zomba district. "Illite" is the name of a series of incompletely...Litchfield County. Ilmenite masses and crystals from somewhere near Washington, Litchfield County, were described |  | | Book (edition) | | the out- standing shows of the annual San Diego County Fair at Del Mar, California. In addition, the collections... Denver, Australia, MinMassa- California, Colorado, Gregory, Speci- Bottley England, and others...Sciences and is housed in their museum in Golden Gate Park, San Francisco. MINERALOGY 8 THE FUTURE OF...shell of the element neon is filled with exactly eight electrons. For some reason, this is all that any...than this magic number of eight! A few elements naturally contain exactly eight electrons in their outermost | | | Book (edition) | | at the outstanding shows of the annual San Diego County Fair at Del Mar, California. In addition, the collections...Los Angeles, California, E. M. Gunnell, Denver, Colorado, Specimen Minerals, Ltd., Woodville West, South...Sciences and is housed in their museum in Golden Gate Park, San Francisco. 8 MINERALOGY THE FUTURE OF THE...shell of the element neon is filled with exactly eight electrons. For some reason, this is all that any...than this magic number of eight! A few elements naturally contain exactly eight electrons in their outermost |  | | Report (volume) | | Crossroads: Lyons, P. L., 4. Gilbert H., 10. Colorado, South Silverton area: Expanding horizons: Lay...the future: Just, E. ing: Burwell, E. B., Jr., 4. Mining geology, retrospect and Index fossils: Stephenson...6. L. R. , 6. Mineralogy, chemical, problems: Pegmatite phosphates, problems: Fleischer, M., 6. Fisher..., 11. D. J. Rocky Mtn. geosyncline in Canada: Colorado Plateau: Wengerd, Warren; P. S., 4. S. A., 6.... Landform interpretation, stereoSearch for new mining districts: Nolan, T. B., 1. pairs: Powers, W. E |  | | Book (edition) | | Encyclopedia of minerals ~~cbe County Public Library Saguache, Colorado OEMCO For Refere nee Not to...Sagtiache Co1tntr Publlc I...ibran' Saguache, Colorado ~ VANNOSTRAND REINHOLD ~ - - - - N e w York...Cal and Kerith Graeber Cureton Mineral Company Colorado School of Mines cw Charles and Marcelle Weber...hematite. octahedral Having eight-sided forms or pertaining to an octahedron (eight faces). oolitic A rock...of weakness caused by deformation or twinning. pegmatite Very coarse-grained granitic rock representing |  | | Book (edition) | | of us spent most of our weekends in the museun1 park and some even rushed through school homework to...hematite. octahedral Having eight-sided forms or pertaining to an octahedron (eight faces). oolitic A rock...of weakness caused by deformation or twinning. pegmatite Very coarse-grained granitic rock representing...the Fuernrol No. 2 mine, Temple Mountain, Emery County, Utah; also sparsely disseminated in uraniferous...in the Cave Hills and Slim Buttes areas, Harding County, South Dakota. BEST REF. IN ENGLISH: Thompson, |
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