 | | Journal (article/letter/editorial) | | kyanite mine is hosted within kyanite quartzite at Willis Mountain in the Piedmont Province of Virginia...fractionating Ga from Al. Introduction KYANITE quartzite is an economically important rock type that occurs...mine in the United States is at Willis Mountain in Buckingham County (Fig. 1). Jonas (1932) provided an early...for the economic deposits at Willis Mountain and Baker Mountain, Virginia. A number of these deposits...including the well-known occurrence at Graves Mountain, Georgia, but the current study represents the |  | | Report (volume) | | the Browns Canyon Wilderness Study Area, Chaffee County, Colorado U.S. GEOLOGICAL SURVEY BULLETIN 1716-C...the Browns Canyon Wilderness Study Area, Chaffee County, Colorado By Anne M. Leibold, Ronald G. Worl, and...the Browns Canyon Wilderness Study Area, Chaffee County, Colorado. (Mineral resources of wilderness study...Canyon (CO-050-002) Wilderness Study Area, Chaffee County, Colorado. RESOURCE/RESERVE CLASSIFICATION IDENTIFIED...examined 5 Perlite and associated rocks 5 Ruby Mountain deposit 5 Cottonwood Creek deposit 7 Rock and |  | | Report (issue) | | _____________________ Schist.____________________________ Quartzite. _________________________ Felsic Metavolcanic...Definition, distribution, and lithology_ _ Brule River block__________________ Keyes Lake block___________________..._____________________ Strata younger than quartzite. Pine River block.__________________ Slate, schist,...Continued Middle Precambrian rocks Continued Paint River Group _______-__--__-_-----_Dunn Creek Slate___... geology.________-_---------_------------Brule River block __________----.-------------Commonwealth syncline |  | | Report (issue) | | * Gold was discovered in the region in Powell County in 1852. Mining began in the 1860's, and since...Elliott, E.A. du Bray, and J.W. Whipple Blackfoot River area Geologic setting Mineral deposits McDonald...Geologic setting Subregions Granite Butte-Ogden Mountain subregion Geologic setting Mineral deposits Lincoln...Little Prickly Pear area Big Blackfoot (Ogden Mountain) district McClellan Gulch district Stemple-Gould...district Marysville (Silver Creek) district Black Mountain-Stemwinder Hill subregion Geologic setting Mineral |  | Nokleberg, Warren J., Bundtzen, Thomas K., Dawson, Kenneth M., Eremin, Roman A., Goryachev, Nikolai A., Koch, Richard D., Ratkin, Vladimir V., Rozenblum, Ilya S., Shpikerman, Vladimir I., Frolov, Yuri F., Gorodinsky, Mary E., Melnikov, Vladimir D., Ognyanov, Nikolai V., Petrachenko, Eugene D., Pozdeev, Anany I., Ross, Katherina V., Wood, Douglas H., Grybeck, Donald, Khanchuk, Alexander I., Kovbas, Lidiya I., Nekrasov, Ivan Ya., Sidorov, Anatoly A. (1996) Significant metalliferous and selected non-metalliferous lode deposits and placer districts for the Russian Far East, Alaska, and the Canadian Cordillera. Open-File Report Vol. 1996 (96-513) US Geological Survey doi:10.3133/ofr96513a | Report (issue) | | lollingite. Less common are potassium feldspar, tourmaline, beryl, scheelite, molybdenite, Ta-Ni-minerals...diorite, and potassic alaskite granites. Late-stage tourmaline-bearing granites and pegmatites also occur. The...intrusive rocks. The deposit minerals are mainly tourmaline, chlorite, and quartz, with lesser cassiterite...minerals are tourmaline, muscovite, quartz, and chlorite. The deposit type includes tourmaline and chlorite...carbonate minerals, sericite, and kaolinite. Tourmaline and chlorite may also occur. This deposit type |  | | Journal (article/letter/editorial) | | aluminum-phosphate and borosilicate (APB)-bearing quartzite from the Mesoproterozoic Itremo Group (Central...and -Borosilicate (APB)-bearing Mesoproterozoic quartzite of the Itremo Group (central Madagascar) and discusses...formation (metapelite and metasiltstone) (≈ 500 m), a quartzite (≈ 1000 m), and a stromatolitic dolomitic marble...marble formation ( > 1000 m). In the quartzite cross bedding and ripple marks document a deposition in a...svanbergite, goyazite, crandallite, berlinite, tourmaline, apatite, celestine, anhydrite, muscovite and |  | | Journal (volume) | | ... . ...... . Sericite quartzite, orthoquartzite and feldspathic quartzite ..... .. .. .. .. ... ....... . .. . Upper quartzite .... . .. ... ........ ...... ...... . ......... ... . .. ..... .. ............ .. . ......... Rocks of the Hematite rock-Quartzite Formation . .... ......................... Rocks...boundary of the hilly country marked by narrow quartzite ridges runs via Kiihtelysvaara to Saario near...Karelidie schist belt. The Karelides are an ancient mountain range that rose during the Middle Precambrian |  | | Report (issue) | | Metasomatic metamorphism in western Clearwater County, Idaho. (B) Anorthosite and associated rocks in...the Elk River-Clarkia area, Idaho. (D) Idaho batholith near Pierce and Bungalow, Clearwater County, Idaho... Metasomatic Metamorphism in Western Clearwater County Idaho By ANNA HIETANEN METAMORPHIC AND IGNEOUS...Lamprophyres.. _ _______________________ Columbia River basalt_______-_----__---.__---__ PART 2. The Headquarters..._______-_--_--____-_---__ Quartzite and gneiss. ___________________ White granular quartzite and biotiteplagioclase |  | | Report (issue) | | always been eBteemed above all other stones, while tourmaline is perhape more favoured in the United States...yellow, wl1atever its source may have been. Tourmaline.-Tourmaline is a beau tiful semi-pI·ecious stone which...stones ar•e obtained. The very marked dichroism of tourmaline is one .of its most charac,t eristic features...OCOURRENC:E. * . Many precio11s stones are to be found in river gravels, fo1~ tl1ey are mainly durable minerals...most other gemstones are derived is pegmatite. Tourmaline, beryl, q11artz, spodumene, topaz, zircon and |  | | Report (issue) | | History of the Iron Industry in Utah · .1 Beaver County . . . . . . . . . . . . .2 Beaver Lake Mountains...Mountains deposits . . . . . . . . . . . .11 Blawn Mountain prospects . . . . . . . . . . · ... 11 Iron Queen...13 Wah Wah pass prospects · . . . . 13 Box Elder County . . . . . . . . . . . . . . · .... Pilot Range...deposits . . . . . . . . . . . . . · ... Copper Mountain mine . . . . . . . . . . . . . . . · Tecoma mine...· 14 14 14 16 17 17 Cache County . . . . . . . . . . . . . Bear River Range deposits . . . . . Deadman |  | | Report (issue) | | group_________________________ The problem of the quartzite of the Serra do Ouro Branco_____________ Itabira...___________________-_-_-_-_--Contact between the quartzite and the underlying schist, Serra do Ouro Bran...Branco________-___-_---_-_-____-Schistosity in quartzite on the Serra do Ouro Branco______________-_-___..._-_Quartzite and interbedded chloritoid-rich quartzite of the Piracicaba group_______________________________...oldest part of Minas series consists of a basal quartzite of variable thickness overlain by a thin discontinuous |  | | Journal (volume) | | • . . .. 1. S imsiö and the s urro llncling quartzite urea,.; . .. .. .. .. . . ... Geological ou t...Antr ca ........ . .. ... . .. Il KARELJDIC QUARTZITE AREAS A. . . . . . . . . . . . . . . . . . ..... . .. .. ... . . . . . . . . . . . . . . . QUARTZITE AREAS OF W ESTERN LAPLAND . . . . . . . . . ...l GENERAL OUTLJNE OF THE PETROLOGY OF FINNISH QUARTZITE.· . .... .. ..... . .... . .. . . ... . .... ...Finland are marked by numbers 1- 9 on Map L. The quartzite areas in Nor·th and East Finland were visited |  | | Report (volume) | | association of various mineral deposits/occurrences and their genetic aspects have been properly...complexities of crustal evolution of this young mountain belt, in terms of both pre Himalayan and Himalayan...Chapter-4 DISTRIBUTION OF MINERAL DEPOSITS I OCCURRENCES IN TIlE ffiMALAYAN REGION 4.1 General 61 ...mineralisation in the Kuncha Group, Nepal 82 Copper occurrences ire Samchi district, Bhutan 82 4.3.1.3 ix...Sirdang sedimentary zone, Uttaranchal Copper occurrences in the Nawakot Group, Nepal Lead-zinc and other |  | | Journal (volume) | | Group A historical review of Vayrynen's Kainuun quartzite formation .................. Definition and subdivision...mica gneisses .•. . . . . . . . . . . . . . . . Quartzite lithodemes and beds ......•..................... . . . . . . . . . . . . . . . . . . . Quartzite occurrences ..............•...........................watershed that trends N-S or NNW-SSW, from which river basins drain east and west. A second range occurs...Pirttijarvi, all draining into the river Kiiminkijoki (joki = river) and on to the Gulf of Bothnia. Askanjarvi |  | | Book | | tantalum, niobium, cesium, pyrite, graphite, and occurrences of copper, tungsten, cobalt and noble metals...(Gr). 13 Table 1 Examples of ore deposits and occurrences, localized in tectonic structures of the eastern...Baltic Shield Tectonic structure Deposits & occurrences Main ore signature 1. Granulite-gneiss blocks...zone Hautavaara, Skalistoye Occurrences Shuururta (Keivy) Zazhogin, Occurrences Gremyakha-Vyrmes Kaula, Monchegorsk...Monchegorsk Occurrences Yona and Chupa pegrnatite elds Latvasyrj/i, Ihala Lyupiko, Linnavara Occurrences Pitk~iranta |  | Taylor, Cliff D., Finn, Carol A., Anderson, Eric D., Joud, M. Y., Taleb, M. A., Horton, John D. (2015) Algoma-, Superior-, and oolitic-type iron deposits of the Islamic Republic of Mauritania (phase V, deliverable 83): Chapter O in Second projet de renforcement institutionnel du secteur minier de la République Islamique de Mauritanie (PRISM-II). Open-File Report Vol. 2015 (2013-1280) US Geological Survey doi:10.3133/ofr20131280o | Report (issue) | | Sfariat belt, which hosts at least three known occurrences, and at Guelb Zednes, all of which are interpreted..................... 4 5 Mineral Deposits and Occurrences in Mauritania ................................................... 74 5.3 Oolitic Ironstone Occurrences in Mauritania .................................location of producing iron mines, deposits, and occurrences ........... 7 Figure 5. Geology of the Kediat...location of geochronology samples DB07RIM-46a (quartzite in lower member) and DB07RIM-46b (muscovite schist | | | Report (issue) | | Sfariat belt, which hosts at least three known occurrences, and at Guelb Zednes, all of which are interpreted..................... 4 5 Mineral Deposits and Occurrences in Mauritania ................................................... 74 5.3 Oolitic Ironstone Occurrences in Mauritania .................................location of producing iron mines, deposits, and occurrences ........... 7 Figure 5. Geology of the Kediat...location of geochronology samples DB07RIM-46a (quartzite in lower member) and DB07RIM-46b (muscovite schist |  | | Book | | Deposits . . . . . . . . . . 4.5.1 The Melkfjell Quartzite . . . . . . 4.5.2 Kyanite Quartzites . . . . ...quartz sands and sandstones, chert, flint or quartzite. The diagenesis of organic silica skeletons, e...pegmatite bodies, hydrothermal veins and metamorphic quartzite. In addition, a special type of granite––so called...metamorphosis. A less focused nomenclature for quartzite is used in the industry. Here, all very hard,... resistant rocks with [96% SiO2 are called quartzite, independent on the formation history. 1.3.2 Sedimentary |  | | Report (issue) | | .......................................... 5 Quartzite .................................................................................. 75 Margaret River .......................................................................................... 92 Occurrences ....................................................................................... 97 Occurrences ....................................................................................... 99 Occurrences ............................................ |  | | Journal (article/letter/editorial) | | Starkl 1883) have been described in several occurrences in the Austroalpine nappes of the Eastern Alps...H2O (Schertl et al. 1991). Some whiteschist occurrences are clearly related to metamorphosed evaporites...leucophyllites, kyanite quartzites (called white or grey quartzite according to the absence or presence of muscovite...Localities of leucophyllite and kyanite-quartzite occurrences in the Sopron-FertoÈraÂkos metamorphic complex...micaschist, feldspar-bearing micaschist, e kyanite quartzite; 1 FertoÈraÂkos ditch, gneiss-leucophyllite-Mg-chlorite |  | | Book | | package made of turbidites, shale, diamictite, quartzite, greywacke, sandstone, and coarse clastic rocks...(Tasiast-Tijirit terranes), together with ferrugineous quartzite, marble, ultramafic rocks, and interlayered amphibolite...micaceous shale with interlayered sandstone and quartzite (Cailleux 1994), which in turn are overlain by...Silurian graptolitic black shale and intercalated quartzite and carbonate and intraplate, anorogenic alkaline...Eizzene Group, which are unconformably overlain by quartzite, siliciclastic rocks, mafic tuffaceous siltstone |  | | Report (volume) | | Biuletyn Peryglacjalny. L6dzkie Towarzystwo Naukowe. Poland. L6di:, Boston Soc. Civil Engineers Jour. Boston...Geology California Div. Mines and Geology County Rept. Geology County Report. San Francisco, Calif. California...Ky. Kentucky .Geol. Survey County Rept. - Kentucky Geological Survey County Report. University of Kentucky...Los Angeles County Mus. Contr. Sci. in Science. Los Angeles, Calif. Los Angeles County Museum Contributions...Contributions Los Angeles County Mus. Nat. History Quart.- Los Angeles County Museum of Natural History Quarterly |  | | Book | | EVOLUTION OF THE PRECAMBRIAN CRUST OF THE ARAVALLI MOUNTAIN RANGE A.B. Roy 327 METAMORPHIC EVOLUTION OF...ZIMBABWE J.F. Wilson and T.H.C. Nutt 555 MINERAL OCCURRENCES IN THE 3.6 Ga OLD ISUA SUPRACRUSTAL BELT, WEST...the 3,500-Myr-old Onverwacht Group, Barberton Mountain Land, South Africa. Nature, 314: 530-532. This...paper discusses the phenomena of the reported occurrences and inferences about isogradic reactions. All...and Frost and Frost (1987) for the Archaean Wind River terrain. An unmodified theory of primary crustal |  | | Journal (volume) | | Goldschmidt, V. M., prof., Norway Wojno, Tadeusz, prof., Poland Von Eckermann, Harry, prof., Sweden Lougee, Richard...fil. toht., Switzerland Malkowski, St., prof., Poland Mellis, Otto., prof., Sweden Zäns, Verners, f il...maist., Germany Niemczynow, Grazyne, fil. maist., Poland Schermerhorn, L. J. G., fil. toht., Angola Warren...Vergleich mit den neuen Uranvorkommen in Blind River District. Esa Hyyppä: Inqua-kongressista. Olavi...thickness of the Jatulian group is not great. The quartzite does not exceed some hundred metres, the dolomite |  | | Journal (volume) | | Goldschmidt, V. M., prof., Norway Wojno, Tadeusz, prof., Poland Von Eckermann, Harry, prof., Sweden Lougee, Richard...fil. toht., Switzerland Malkowski, St., prof., Poland Mellis, Otto., prof., Sweden Zäns, Verners, f il...maist., Germany Niemczynow, Grazyne, fil. maist., Poland Schermerhorn, L. J. G., fil. toht., Angola Warren...Vergleich mit den neuen Uranvorkommen in Blind River District. Esa Hyyppä: Inqua-kongressista. Olavi...thickness of the Jatulian group is not great. The quartzite does not exceed some hundred metres, the dolomite |
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