 | | Report (volume) | | Deposits Of the Lawson-DumontFall River District Clear Creek County Colorado By C. C. HAWLEY and FRANK BAKER...and section of the Lawson-Dumont-Fall River district, Clear County, Colo. 2. ~ap showing major faults...faults (veins) of the Lawson-DumontFall River district projected to a horizontal plane having an elevation... CONTENTS PLATE 3. Map of the Lawson-Dumont-Fall River district, showing location of mines and distribution...and galenasphalerite veins in the Lawson-Dumont-Fall River district and adjacent areas. FIGURE 1. Index |  | | Report (issue) | | Deposits Central Part of the Front Range Mineral Belt Colorado By P. K. SIMS and others GEOLOGICAL SURVEY PROFESSIONAL...~in or elements in pitchblende ___________ _ Torbernite and metatorbernite ______________ _ Autunite...____________________________ _ West Flack mine __________________ _ ~ercer County mine ______________ -German and Belcher...Iron mine, by A. A. Drake, Jr ___________ _ Jefferson-Calhoun vein _________________ _ Kirk mine ____..._______ _ Old Town mine, by A. A. Drake, Jr ______ _ Springdale (Gold Rock) mine, by A. A. Drake, J r |  | | Report (volume) | | Geology of Uranium Deposits in the Front Range, Colorado By P. K. SIMS and D. M. SHERIDAN With sections...mines_______________________________________ Boulder CountY----------------------------------~-----------Jamestown...Generalfeatures--------------------------------------Blue Jay mine, by R. U. King__________________________ Fair Day...mine________________________________________ Nations Treasure mine, by R. U. King___________________ Victory group...Description of principal mines-Continued Boulder County-Continued Other areas __________________________ |  | | Report (volume) | | important were those in the Central City district, Colorado, from which about 300 tons of high-grade pitchblende...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) | | PROSPECTS, LAWSON-DUMONT-FALL RIVER DISTRICT, CLEAR CREEK COUNTY, COLORADO By C. C. Hawley and Frank...Production References cited Mine descriptions « Lawson area, north of Clear Creek Larger mines in the Red...ClevelandC?) mine Flat Iron vein Mines east of Red Elephant Hill Central America (Tinker) mine-Comstock vein...Dexter mine i Johnson group Last Chance mine « r Little Giant mine Little Superior (Jack Rabbit) mine Orient...Orient mine Panama group ; Young America vein Mines west of Red Elephant Hill Amboy mine Girard mine Kanawha |  | | Report (issue) | | been found in the mining the nugget Jim, Placer County, California, in 1871 by a small girl in who town...The bibliography has been updated and expanded. County lists published by Collins (1) pp. 40-64, in Murdoch...rhyolite locality in Alameda County and the lawsonite type locality Marin County, which have been completely...color" from Cherokee Flat, Butte County); and to borax ("Lake County, in large crystals in the clay of...this is the total entry!). No hint acid. Clear Lake, Lake County" foreshadows the subsequent discovery of |  | | Book | | eyes, as a result of deposits in sea, lake and river water, often under the influence of biological processes...114 Autunite............................... 116 Torbernite (Chalcolite) . 118 Meta-zeunerite and Novacekite...well formed crystals, there are varieties with no clear crystalline properties at all; instead, they have...Siberia): 10 cm. 2 - Topaz (Thomas Flange, Utah, USA): 1 cm. 3 - Topaz (Virgen de Lapa, Minas Gerais,...tourmaline. 1 - Tourmaline/Rubellite (Paia, California, USA): 13 cm. 2 - Tourmaline (Madagascar): 20 cm. ■ |  | | Book | | Mineralogical Record P. 0. Box 1656 Carson City, NV 89702, USA N. Bariand 90/91; British Museum (NH) London 110/111...Banat, Romania Vllb San Benito Co., California, USA Vllb Altyn Tyube, Kirgizia, USSR Vllb Miralani Hills...particularly interesting collection of miners' lamps and mine surveying instruments. Ancient and mediaeval mining...worn by mine officials of Saxony on ceremonial occasions. A special attraction is a model mine, 20m below...N. from the main railway station, landmark is a mine headframe. Tues.- Fri. 8.30-17.30 hrs.; Sat.- Sun |  | | Journal (issue) | | index. This is organised hierarchically by country, county or state, then site name. To avoid the confusion...century boundary changes in the British Isles, the county boundaries defined by the Local Governmant Act...referred to as Glamorgan. The new counties and county boroughs brought in by the Lieutenancies Act of...Special issue on the minerals of Penberthy Croft Mine Published by Rock Bottom Publications Ltd. Nottingham...(2000) Famous mineral localities: Penberthy Croft mine, St. Hilary, Cornwall, England 20:7-37 Bevins, R |  | | | | Peninsula, Michigan. Found in Colorado at Aspen and in Boulder County; also in several mining areas in...Telluride, Cripple Creek, and Breckenridge districts of Colorado. Also at Homestake Mine, South Dakota; in...U.S.S.R.; and at Waihi Mine, New Zealand. In Australia, at Mount Morgan Mine, from Chartres Towers district...Luning and Cuprite in Nevada; at Sulphur Bank mercury mine and at Lassen Peak, California. Sharp well-shaped... Fine crystals of dark color at Breckinridge, Colorado. Excellent crystals at Butte, Montana. Green varieties |  | | Book (edition) | | Peninsula, Michigan. Found in Colorado at Aspen and in Boulder County; also in several mining areas in...Telluride, Cripple Creek, and Breckenridge districts of Colorado. Also at Homestake Mine, South Dakota;... Also in Ural Mts., U.S.S.R.; and at Waihi Mine, Mine, New from Zealand. Chartres In Australia...and Cuprite in Nevada; at Sulphur Bank mercury mine and at Lassen Peak, California. Sharp well-shaped... and calcite are found at Joplin, Missouri. Colorado. varieties Fine crystals of dark color Excellent |  | | Book | | titanolivine 81, 81 topaz 78, 79, 79 topazolite 78 torbernite 72, 74, 74 tourmaline 94, 95, 95 tremolite 98...59 zippeite 62 zircon 77, 78, 78 zoisite 88 THE MINE LKINGDOM All physical bodies in Nature can be...or slightly rotated Vitreous. Like glass 3 THE MINE Class I: native ·elements Chemical elernents found...son1e n1ines on Mount Amiata, Tuscany (Italy), and Almaden (Spain). In the United States it is found in California...along the Orange River, and especially near Ki1nberley); diamonds from the Kimberley mine are embedded in |  | | 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 |  | | Book (volume) | | from the coastal lowlands in the Atlantic Coast Fall Line, so named from the falls or rapids in rivers...resistant formations of the Coastal Plain. This Fall Line extends southwesterly across the state roughly...Dahlonega Co. and Rabum Co., and the McDuffie County Belt extending through portions of McDuffie, Warren...Sphalerite. BALDWIN COUNTY MILLEDGEVILLE, at state farmjasper. BANKS COUNTY COMMERCE, along Hwy. 59...along adjoining Co. linerock crystal. BARROW COUNTY WINDER, along rd. to Jefferson and 1½ mi. inside |  | | Book | | tetrahedrite from bournonite, rock crystal from clear gypsum or aragonite, vesuvianite from garnet, and...travel through the mineral — it is transparent or clear. Only some minerals have their own constant colour...minerals are divided into four groups. Colourless, clear (achromatic) and transparent minerals transmit light...until the methylalcohol, turning brown, remains clear. The cleaned specimen should be left to dry and...and viscosity. Only inert polymers which remain clear as solids should be chosen. It is not advisable |  | | Report (volume) | | Division of Mines Special Reports _.......__ ________ Colorado Mining Association publications . Economic Geology...the areas and subjects are listed under States, "Colorado Plateau," "United States," or under a few subject...400-760) covering areas east of the Mississippi River may be obtained from the U.S. Geological Survey...25, D.C.; maps of areas west of the Mississippi River may be obtained from the U.S. Geological Survey...Institute San Diego, San Diego Public Library COLORADO Denver, Denver Public Library CONNECTICUT New |  | | Book (volume) | | ...........................................59 Colorado ...............................................................548 Table of Maps Page Alabama County Map ...................................................................................4 Alaska County and Stream Map ......................................................................22 Arizona County Map .............................................................42 Arizona – Yavapia Co. Burro Creek area Site Map ................................. |  | | Report (issue) | | observed in the gold gravels at Cherokee, Butte County, and this locality, became the most noted one in...short articles on California diamonds. A Amador County: few small stones have been picked up near the...towns of Volcano, Oleta and Fiddleto^vn. Butte County: In 1853 it was observed that diamonds occurred...Thompson Flat, two miles north of Oroville. El Dorado County: A diamond weighing 1| carats was found at Forest... namely, on Webber Creek, in White Rock canyon and at Smith's Flat. Fresno County: Small diamonds are |  | | Report (issue) | | tribes in the northeast corner of San Bernardino County in pre-historic times. The old workings here were...stone hammers, and called his claim the Stone Hammer mine. This find aroused so much interest that the San...circumstance the location was named the Stone Hammer mine. "The State Slining Bureau reported at about the...Klamath River, two localities; 1 mile east of Tuolumne 4 miles east of Lindsay, Tulare County near mouth...Carrizo Gorge, San Diego County west side of Williams Valley, Mendocino County; Santa Ynez Mountains; Santiago |  | | Journal (issue) | | R. Kampf Natural History Museum of Los Angeles County Arthur Roe Tucson, AZ Abraham Rosenzweig University...AZ 85715 602-299-5274 Articles The Jacupiranga mine, Sao Paula, Brazil ...............................and J. M. Martins The Jensen quarry, Riverside County, California .....................................coated with malachite, 5 cm across, from the Onganja mine, Namibia. Collection of the Sorbonne, University...known Brazilian mineral collector, gem dealer and mine owner. $24.00 postpaid, (foreign orders 50C additional |  | | Catalog/List | | specimen •. 2x2xl". £6.00. 10. BARYTES. wetgrove Mine,Aysgarth, Yorkshire.Specimen A:Select lustrous creamy-white...2i;xHxl". £13.00. 2 12. BoTALLACKITE. Levant Mine, Pendeen, Cornwall. Specimen A: Light green lustrous...in plac8s. 4x1ix1t", £7.00 14. CALCITE. Black~ene Mine, Weardale, Co. Durham. Select creamy translucent... 32-x2 x1f..", £7.00 15. CARNOTITE. Gould Mine, Fall River Co., S. Dakota, U.S.A. Bright yellow rich...matrix. 3x1-tx1t", £5.5Op 15. CASSITERITE. Storey's Creek, Tasmsnia, Australia. Specimen A: Very choice and |  | | Journal (issue) | | paragenesis of the Little Three mine pegmatites, Ramona district, San Diego County, California ...............25046, M .S. 905 Denver Federal Center Denver, Colorado 80225 In recent decades the science of mineralogy... 905 Box 25046 Denver Federal Center, Denver, Colorado 80225 Louis B. Spaulding, Jr. P. O. Box 807, Ramona...plus an interesting range o f rare species. The mine, first opened in 1903, continues to produce fine...fine specimens. T INTRODUCTION The Little Three mine is one of several mines located on the Little Three |  | | Book | | tetrahedrite from bournonite, rock crystal fram clear gypsum or aragonite, vesuvianite from garnet, and...travel through the mineral - it is transparent or clear. Only some minerals have their own constant colour...minerals are divided into four groups. Colourless, clear (achromatic) and transparent minerals transmit light...until the methylalcohol, turning brov✓n, remains clear. The cleaned specimen should be left to dry and...and viscosity. Only inert polymers which remain clear as solids should be chosen. It is not advisable |  | | Book | | the geysers at Yellowstone National Park, Wyoming, USA. Silica-rich minerals are deposited by the hot water...extract the tin. Some cassiterite was found in river gravels where it often collects - but only in areas...allencompassing theory of plate tectonics. It soon became clear that plate tectonics explained n1uch n1ore than...'change form' . Cooking and crushing It is now clear that just about any rock - igneous, sedi1nentary... MINERALS IN METAMORPH IC ROCKS 21 It has become clear that particu lar combinations of conditions are |
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