 | | Journal (article/letter/editorial) | | Park, Maryland. Hafi, John C., Colorado School of Mines, Golden, Colorado. Heyl, George R., U. S. Geological...of the series were lormed at Hobart Butte, Lane County, Oregon, probably in Miocene time by hydrothermal...engaged in this work, chiefly in South Dakota, Colorado, Wyoming, Idaho, New Mexico, the Southeastern...kodachrome of a giant beryl crystal at the Ingersoll Mine near Keystone will also be presented. BASTINITE...CONCRETIONS FROM PITTSBI'RGH COAI SEAM' MONONGALIA COUNTY, WEST VIRGINIA WII-DERD. FOSTERAND IIORENCE L. |  | | Journal (article/letter/editorial) | | Africa and South America. INTRODUCTION COLUMBITE-TANTALITE was extractedfor centurieswith tin in Malaya and...standardaccompanyingmineral of all columbite-tantalite deposits that are now beingmined. Earth acidsare...richly mineralized. Up to 100g/t of columbite-tantalite wasfoundin microcline-oligoclase granites in the...skarnsare nearer to the contact than cassiterite and tantalite-columbite. Typomorphiczoneographyhas been applied...only to fields of minor importance.Columbite-tantalite occursin the sixthor "beryl"zonein the Nyanza |  | | Journal (issue) | | Colorado Desert. Superstition Mountains in background. Photo by Arthur Burdick. NOSTALGIA By RONA MORRIS...different varieties come into bloom. Los Angeles County Library, Lancaster, California. April 2-5—Desert...spectacles in this valley of strange formations. The hole-in-the-rock was a few hundred feet above us. How...started the erosion that finally bored out this big hole? The Eye itself is about 20 feet in diameter. Standing...the Stanley mining district. Located in Graham County, Arizona, the Stanley mining district is bounded |  | | Journal (issue) | | trip to Mitchell's Caverns, Providencia Mts., Devil's Playground, Calico Mts., Calif. DECEMBER, 1952...Troopers' Lost Gold By KENNETH E. HICKOK 9 LOST MINE CONTEST Prizes for camera pictures POETRY On...the wood in these strange] attractions of the Sump Hole was not petrified in a form of interest to rockhounds...inhabitants of surrounding areas have labeled the Sump Hole. Fortunately the stumps on their clay pedestals...must admit that its purpose was as In the Sump Hole of Fish Lake Valley in Southwestern Nevada, petrified |  | | 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 |  | | Catalog/List | | 56N02W Marr Bank (SXSs) 1984; (Q) 1985 56N00 Devil's Hole (S) 1986; (QXSs) 1985 56N02E Fisher (S) 1988;...sheet, and, before that, the 6-inches-to-the-mile 'County' series sheet. The 1:25 000 map of the St Kilda...accompanied by a BGS series report. Many of the County sheets, particularly for the coalfield areas, were...(A) 1980 (B) 1981 Farne (A) 1985 (B) 1978 Swallow Hole (A) 1985 (B) 1978 Dogger (A) 1985 (B) 1989 McCallien...Chromite 31 Ilmenite 32 Rutile 33 Columbite 34 Tantalite Sample No. IGS 35 Zircon 36 Monazite 37 Uranium |  | | Catalog/List | | 55N02W Farne (S) 1988; (Ss) 1989 (Q) 1988 Swallow Hole (S} 1989; (Ss} 1990 55N 00 55N 02E Dogger (S) 1991;...1987 56N 02W Marr Bank (S) (Ss) 1984; (Q) 1985 Devil's Hole (S) 1986; (Ql(Ss) 1985 56N 00 56N02E Fisher...sheet ' and, before that, the 6-inches-to-the-mile 'County' series sheet. 15 'oo 'oo ST. KILDA 33 I:]...31 ~ 200 Figure 8 16 OCT 1991 Many of the County sheets, particularly for the coalfield areas, were...55N 02W* Farne (A) 1985 (BJ 1978 55N 00* Swallow Hole (A) 1985 (B) 1978 55N 02E* Dogger (A) 1985 (B) 1989 |  | | Catalog/List | | 1986 Farne (S) 1988; (Ss) 1989 (Q) 1988 Swallow Hole (S) 1989; (Ss) 1990; (Q) 1991 AVAILAB ILITY OF...02W Marr Bank (S) (Ss) 1984; (Q) 1985 56N00 Devil's Hole (S) 1986; (Q)(Ss) 1985 56N 02E Fisher (S) 1988;...that, the 6-inches-to-the-mile 'County' series sheet. Many of the County sheets, particularly for coalfield...VAT electrostatic colour plot, on film £85 + VAT County Series (1:10 560) lithoprinted £75 uncoloured dyeline...55N 02W* Farne (A) 1985 (B) 1978 55N 00* Swallow Hole (A) 1985 (B) 1978 55N 02E* Dogger (A) 1985 (B) 1989 |  | | 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 |  | | Catalog/List | | 1986 Farne (S) 1988; (Ss) 1989 (Q) 1988 Swallow Hole (S) 1989; (Ss) 1990; (Q) 1991 Dogger (S) 1991; (Ss+Holocene)...1986; (Q) 1987 Marr Bank (S) (Ss) 1984; (Q) 1985 Devil's Hole (S) 1986; (Q) (Ss) 1985 Fisher (S) 1988; (Ss)...sheet, and, before that, the 6-inches-to-the-mile 'county' series sheet. Bouguer gravity anomaly map of...flat only £17.50 each or £30 per pair Many of the county sheets, particularly for coalfield areas, were...British Isles. Flat only *Northern sheet, 1981 County Series (1:10 560) lithoprinted £75 uncoloured dyeline |  | | Catalog/List | | (S) 1986 Fame (S) 1988; (Ss) 1989 (Q) 1988 Swallow Hole (S) 1989; (Ss) 1990; (Q) 1991 NOV 1992 AVAILABILITY...1987 56N02W Marr.Bank (S) (Ss) 1984; (Q) 1985 Devil's Hole (S) 1986; (Q)(Ss) 1985 56NOO 56N02E Fisher (S)... electrostatic colour plot, on film £55 + VAT County Series (1:10 560) lithoprinted £8.50 uncoloured...6-inches-to-the-mile 'County' series sheet. 1:625 000 (about 10 miles to one inch) Many of the County sheets, particularly...(A) 1980 (B) 1981 Farne (A) 1985 (B) 1978 Swallow Hole (A) 1985 (B) 1978 Dogger (A) 1985 (B) 1989 McCallien |  | | Report (volume) | | Crossroads: Lyons, P. L., 4. Gilbert H., 10. Colorado, South Silverton area: Expanding horizons: Lay..., 11. D. J. Rocky Mtn. geosyncline in Canada: Colorado Plateau: Wengerd, Warren; P. S., 4. S. A., 6....described. Div. Mines, 1; Jenkins, O. P., Choctaw County, Highway 17 area: 3. Toulmin, L. D., Jr., 3. Minor:...analysis: KelH. D., 5. ler, W. D., 3. Talladega County, hematiteOklahoma, potash agstone, granite magnetite...ground water: Powham, C. E. ell, W. J., 4. Marengo County: Newton, J. G., 1. Core-drilling program, ChattanooMica: |  | | Journal (issue) | | in : TUNGSTEN MANGANESE CHROME VANADIUM TANTALITE RUTILE COLUMBITE ILMENITE BERYL ZIRCON ·...thickness of the Lower Roan Group in some of the mine areas is shown by the following figures: BASE THE...beds are fairly persistent in thickness over the mine area.' Garlick and Brummer (1951) have shown that...arkoses and conglomerates Kundelungu KATANOA Mine FORMATIONS Unconformity MuvA Schists and quartzites...Katanga System is represented in this area by the Mine Series and the lower division of the Kundelungu |  | | Journal (issue) | | TUNGSTEN M'ANGANESE CHROME VANADIUM COLUMBITE TANTALITE RUTILE ILMENITE BERYL ZIRCON AND OTHER MINERALS...indicated by LOWER the prefix 'R' : 1. Pak Kion Mine No. 4 (map reference P.664010), about 2 miles ESE... 2. Hawthornden Mine No. 2 (map reference P.665032); R.4364854. 3. Hawthornden Mine No. 3 (map reference...Setapak and about I½ miles north of the Pak Kion Mine No. 4. The material is lithologically similar at...Material: One mould of a calice, R.43646, from Pak Kion Mine No. 4. Description: The calice, which may have suffered |  | | Catalog/List | | 1986 Farne (S) 1988; (Ss) 1989 (Q) 1988 Swallow Hole (S) 1989; (Ss) 1990; (Q) 1991 Dogger (S) 1991; (Ss+Holocene)...1986; (Q) 1987 Marr Bank (S) (Ss) 1984; (Q) 1985 Devil's Hole (S) 1986; (Q) (Ss) 1985 Fisher (S) 1988; (Ss)...that, the 6-inches-to-the-mile 'county' series sheet. Many of the county sheets, particularly for coalfield...VAT electrostatic colow· plot, on film £85 + VAT County Series (1:10 560) Jithoprinted £75 uncoloured dyeline...facsimile lithograph prints of a Limited selection of county maps covering Berkshfre, Durham, Gloucestershire |  | | 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 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 |  | | Report (issue) | | Central region __________________________109 Colorado ____________________________109 Kansas ______...Francisco Bay regional studies _ ___ ______284 Colorado Front Range Urban Corridor _____________284 Geotechnical...Geotechnical and geohydrological studies in Fairfax County, Virginia _____________________285 Puget Sound...------ Council on Environmental Quality CFRUC ——__ Colorado Front Range Urban Corridor Project CGIS ------...include high-alumina clay, igneous-rock alunite, coal-mine waste and washings, shale, dawsonite, and aluminum |  | | 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 |  | | 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 |  | | Report (issue) | | Professional Paper 525. Numerous Federal, State, county, and municipal agencies listed on pages A221-A225...37 Utah _________________________________ _ 38 Colorado _____________________________ _ 38 ]{ansas __...41 Texas ________________________________ _ 42 Colorado River basin ___________________ _ 42 Pacific coast...Detergents and pesticides in water supplies ___ _ Acid mine waters __________________________ _ Indus trial...___________ _ Geology of Precambrian rocks of Colorado ____ _ Stratigraphic and paleontologic studies |  | | Report (issue) | | section (British Gas Council, Frigg No. 4), opencast mine and other temporary excavations, and more than 30...problems arise, and cooperation in the reproduction of mine-plans and borehole records. The cores of many exploratory...universities in Belgium, Canada, the Neth erlands , the USA and West Germany and through IGCP and other joint...acoustic techniques for use in boreholes, interbore hole scanning and a rotating sonar system. The use of...stability of waste tips from the Amiandos asbestos mine. An engineering geologist from the Cyprus Geological |  | | Journal (issue) | | by products ; so also Canadian asbestos, from the mine to the latest type of asbestos cements or bricks...the bullion, with the exception of that from one mine whicl1 ,vas sold in Johannesburg, was sent to London...INSTITUTE Lake Province M111 anza D1'.strict.-Geita Mine, owned by the Geita Gold Mining Company, Ltd., has...Geita Gold Mining Company, Ltd. At the old Ngasamo Mine production ,vas resumed on a small scale. Kwimba...compressor was in course of erection. At Mrangi Mine, Messrs. R. and F. N. Clark continued to treat high-grade |
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