 | | Journal (article/letter/editorial) | | Pegmatite in the Clear Creek District, CLEAR CREEK COUNTY, COLORADO In all of Colorado's Front Range only a few...TILANDER Chevron U.S.A., Inc. 700 South Colorado Boulevard Denver, Colorado 80201 pears to dip steeply to the... TOURMALINE PROSPECT, C L E A R C R E E K COUNTY, COLORADO CCea veCa n...an exterior pegmatite. The only pegmatites in Colorado that have a similar mineralogy and structure are...Trites, 1955) of the Quartz Creek district, Gunnison County; Chief lithium pegmatite, Representative specimens |  | | Journal (issue) | | - - - - - - - - - - - Mineral Collections 1n Colorado A Supplement to The Mineralogical Record November-December..."Smithsonian packet," Smoky Hawk claim, Florissant, Colorado. Collected in 2008; Dorris Family collection;...certificates for mines in the Cripple Creek District, Colorado, in 1898 and 1901. Sponsorship: This special supplement...Collecting in Colorado The Collections: Mel & Pam Bersch Ryan Bowling Ralph Clark Colorado School of Mines...Thompson George Witters Martin Zinn III and Colorado in the :Mineralogical Record Supplement to The |  | | Book | | time the project felt like a never ending black hole. In many different ways you all helped to pull me...onNewMinerals,Nomenclature andClass::ication. Co. County. EMPElectronmicroprobe - an instrument usedto ...with older fluorite specimens from Weardale in County Durham being a case in point. Many of these specimens..."Cumberland", "Alston" or "Alston Moor" (Cumberland as a county no longer exists, as it was merged with Westmorland...Westmorland in the mid- I 970s to form the new county of Cumbria). The confusion appears to have occurred during |  | | Book (volume) | | rhoColorado; eolorless scheelite (19.66 cc), Kern Cowny, California;...Vivid blue matched benitoite gems from Sai, Benito County, California, consisting of 52 benitoites and 75...operators, Morefield Mine, Amelia, VA; Max & Suzy Berchtold, Royal Rainbow Mine, Laytonville, CA; Ralph...Cantlin, Ellis, ID; Jeannette B. Carillo, Gen1 Center USA, El Paso, TX; Gary Christopher, The Prospectors Cache...James D. Lindberg, Las Cruces, NM; Jack Lowell, Colorado Ge1n & Mineral Co., Tempe, AZ; Steven & Lorna |  | | Book (volume) | | Eugene E. Foord U S. Geological Survey, Denver, Colorado 80225 Production editing and design Robert D...Dick's deep concern for the fate of the Sterling mine in Ogdensburg, New Jersey, and his intense interest...interest in mining history led him to purchase the mine in order to form a living museum so that it would...mineralogical community. Through his efforts, the Sterling mine has been declared a national historic landmark....The United States Geological Survey at Denver, Colorado, contains essential information not to be had |  | | Book | | Features, 135 Special Interest Features, 141 6. 147 Colorado Desert Geography, 147 Stratigraphy, 151 Structure...Mountains, 191 Mountains of Central Ventura County, 196 Santa Monica Mountains and the Channel Islands...rock complex of the Basin Ranges, Mojave and Colorado Deserts Geomorphic province boundary Geologic...Cenozoic deposits like those in the Mojave and Colorado deserts. Restricted continental basins, including...Plateau, the Basin Ranges, the Mojave Desert, the Colorado Desert, the Peninsular Ranges, the Transverse |  | | Book | | are reported by county of occurrence. Map 1-2 shows the county boundaries and county names. When possible...II TRANSVERSE RANGES X PENINSULAR RANGES XI ~ COLORADO DESERT GOLD-BEARING AREA Map 1-1. Map of California...,o Map 1-2. Outline map of California showing county boundaries. __ _) 4 MINERALS OF CALIFORNIA...composition between acidic and basic rocks. drift mine Adit(s) driven into gravel. euhedral Characterized...of the Potholes District of Imperial County, near the Colorado River about 10 miles north of Yuma, Arizona |  | | Book | | Urals and Altai, USSR; Ajo and Bisbee, Arizona, USA; localities in Bolivia and Chile; the African 'Copper...'Copper Belt' in Zaire and Zambia; and in Bura-Bura Mine, Australia. Sedimentary copper is found in schists...on the southern shore of Lake Superior, Michigan, USA. Of a similar origin is copper found in Langban,... Sweden, and Franklin Furnace, New Jersey, USA. Copper is used extensively in metallurgy (in the manufacture...component of copper in Lake Superior, Michigan, USA. Silver in the free state (disseminated) is found | | | Book | | Urals and Altai, USSR; Ajo and Bisbee, Arizona, USA; localities in Bolivia and Chile; the African 'Copper...'Copper Belt' in Zaire and Zambia; and in Bura-Bura Mine, Australia. Sedimentary copper is found in schists...on the southern shore of Lake Superior, Michigan, USA. Of a similar origin is copper found in Langban,... Sweden, and Franklin Furnace, New Jersey, USA. Copper is used extensively in metallurgy (in the manufacture...component of copper in Lake Superior, Michigan, USA. Silver in the free state (disseminated) is found |  | | 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...the total entry!). No hint acid. Clear Lake, Lake County" foreshadows the subsequent discovery of immense |  | | Journal (issue) | | in these areas in the l 9 4 0 ' s . when ama teur mine ral collecting was not as popular as it is today...a r B a nc r o ft . w h ! e h n e v e r became a mine but yielded splendid dodecahedral crystals o f betafite...hydrocarbu res) . a Mete or -Crater d e l'Arizona (USA) elle mesure 1 200 m de cUametre · e t 1 7 5 m d...Winnie Robertson. The Jade Queen·, at the Jade Queen Mine in 1 968. Photo courtesy W. Robertson. t h e J...serpent ine be ing mined a t the Casslar Asbestos Mine at Casslar. Until then It had been considered a |  | | 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...east of Lindsay, Tulare County near mouth of Carrizo Gorge, San Diego County west side of Williams Valley...Mendocino County; Santa Ynez Mountains; Santiago Canyon near Mount Pinos, ; ; ; Ventura County; Table |  | | Book | | are, besides, a vast number of forms under which mine rals appear in nature ; but the object of the present...three-sixteenths carats. It was found in 1552, in the mine of Colore, a short distance to the east of Golconda...through which, by means of a Diamond-point, a circular hole is drilled and then fastened on a brass-plate ;...obtained from Brazil, which is about forty pounds. The mine at Capao has yielded about twelve thousand dollars...finest Emeralds came from Warta,« in Peru ; but the mine is either exhausted, or the Indians have filled |  | | Book (edition) | | into quarters, and so down to a few pounds, the mine will still be tremendously rich—it will be indisputably...profits over 500.000/. The Great Nugget Vein Gold Mine of New South "Wales may be instanced as one of the...branded D W were yet running, in which case if any of mine should ever stray thither they would, unless differently...sold at twenty-five shillings per head, but for mine I do not think that there was a band fide offer...ad been opened about Bathurst; the Fitz-Roy iron mine near Berrima, over which I had travelled, had been |
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Devil's Hole Mine, Fremont County, Colorado, USA