 | | Report (issue) | | references (p. Supt. of Docs, no.: I 19.3:1904-6 1. Quartzite Wisconsin. 2. Geology, Stratigraphic Proterozoic...Description and interpretation of individual quartzite occurrences Hamilton Mounds B3 Necedah area B6 Baraboo...Rib Mountain B12 Quartzite at McCaslin and Thunder Mountains B12 Barron Quartzite and quartzite at Flambeau...9. 10. 11. 12. Map showing location of quartzite occurrences in Wisconsin relative to major tectonic...at the Vesper quarry Bll Photographs showing quartzite boulders in deformed conglomerate along Hamann |  | | Journal (article/letter/editorial) | | kyanite mine is hosted within kyanite quartzite at Willis Mountain in the Piedmont Province of Virginia...through Ho). Reconnaissance oxygen isotope data on quartz separates show a range in δ18O values from 3.5...alteration system, resulting in protoliths dominated by quartz and kaolinite. Such an interpretation is consistent...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 |  | | Report (volume) | | of the Borah Peak Wilderness Study Area, Custer County, Idaho U.S. GEOLOGICAL SURVEY BULLETIN 1718-E...of the Borah Peak Wilderness Study Area, Custer County, Idaho By ANNA B.WILSON, SUSANNE U. JANECKE, BETTY...inclusion in the wilderness study area, Custer County, Idaho. CONTENTS Abstract El Summary El Character...of the Borah Peak Wilderness Study Area, Custer County, Idaho By Anna B. Wilson, Susanne U. Janecke, Betty...wilderness are on the western flank of the Lost River Range in east-central Idaho. An investigation of |  | | 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) | | 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) | | _____________________ Schist.____________________________ Quartzite. _________________________ Felsic Metavolcanic...Definition, distribution, and lithology_ _ Brule River block__________________ Keyes Lake block___________________...than quartzite. Pine River block.__________________ Slate, schist, and phyllite_ _______ Quartz graywacke-_____________..._ __________________ Slate, metaargillite, and quartz graywacke ___________________________ Tuffaceous...Continued Middle Precambrian rocks Continued Paint River Group _______-__--__-_-----_Dunn Creek Slate___ |  | | Report (issue) | | Mineral Resource Report 72 1977 ZINC AND LEAD OCCURRENCES IN PENNSYLVANIA Robert C. Smith, II COMMONWEALTH... Mineral Resource Report 72 ZINC AND LEAD OCCURRENCES IN PENNSYLVANIA Robert C. Smith, II PENNSYLVANIA...up-to-date summary of the known zinc and lead occurrences in Pennsylvania in cluding an assessment of their...updated inventory of Pennsylvania's zinc-lead occurrences. Recently, an awareness is devel oping in pollution...Van Ness furnished the loca tions of two trace occurrences near Easton and most importantly, has shared |  | | 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 |  | | Journal (article/letter/editorial) | | Abstract Detrital zircon populations of five quartzite samples of the V2800 Ma Central Slave Cover Group...indicate either diachroneity in the cessation of quartz arenite deposition across the realm of the Central...localities where a thin but prominent succession of quartzite and banded iron formation (BIF) is exposed below...Central Slave Basement Complex (Fig. 2). Similar quartzite and BIF cover successions have recently been described...detrital zircon geochronology. Examples include quartzite and BIF cover successions from the western Superior |  | | Journal (article/letter/editorial) | | amphibolitesand amphibolitictuffs with sporadic metatuffs and quartz siltites. These rocks are interbeddedwith minor...of the area is mostly underlain by metatuffs, quartz siltites and quartzitesin which amphiboleis sporadicor...M. FRIEDMAN airmiles NNE of the town of Blind River, and roughly half way between Sudburyand Sanlt Ste...mineralizedzones(Fig. 2). A gravelledhighway, the so-calledWhite River Road, which connects with Highway 17 at Iron Bridge...andprecedethe granites,whereis the sourceof the quartz for the quartzose and tuffaceous sediments ? Sincethe |  | | Report (issue) | | .......................................... 5 Quartzite ....................................................................................... 5 Vein quartz ................................................................................... 75 Margaret River .......................................................................................... 92 Occurrences ....................................................................................... 97 Occurrences ............................................ |  | | 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 |  | | Report (issue) | | purity quartz and aluminium deposits View from the southern flank of Nasafjell with kyanite quartzite boulders...foreground (a). Fine-grained turquoise kyanite quartzite hand specimen from Solør (b). Kyanite quartzites...fine-grained quartzites containing 70 to 85 vol.% quartz (SiO2) and >15 vol.% kyanite (Al2SiO5). Common...and >2.8 kbar). Map showing the kyanite quartzite occurrences in Norway (a). Geological sketch map of...kyanite quartzite deposit according to Jakobsen and Nielsen (1977) (b). The largest kyanite quartzite bodies |  | | Journal (article/letter/editorial) | | 10.1007/s00126-007-0124-8 ARTICLE High-purity quartz mineralisation in kyanite quartzites, Norway Axel...Nasafjellet as potential deposits of high-purity quartz (HPQ) for use as raw material for special applications...applications in high-technology industries. Fine-grained quartz, which forms 70 to 85 vol.% of these rocks, generally...being mined and produced in Norway and elsewhere. Quartz analyses were performed using laser ablation– inductively...whole-rock analyses and cathodoluminescence studies of quartz were carried out to reveal processes, which have |  | | Journal (volume) | | Group A historical review of Vayrynen's Kainuun quartzite formation .................. Definition and subdivision...gneisses Quartz-feldspar gneisses and mica gneisses .•. . . . . . . . . . . . . . . . Quartzite lithodemes...•.............................................. Quartz-feldspar gneisses and mica gneisses .-........... . . . . . . . . . . . . . . . . . . . Quartzite occurrences ..............•...........................watershed that trends N-S or NNW-SSW, from which river basins drain east and west. A second range occurs |  | | Report (issue) | | GEOLOGICAL SURVEY THE SEVEN-STOREY RIVER: GEOMORPHOLOGY OF THE POTOMAC RIVER CHANNEL BETWEEN BLOCKHOUSE POINT.................. 3 Base levels of the Potomac River ...................................................... 13 1. Mode of excavation of the Potomac River gorge .............................. 2. Channels...2. Profiles and gradients of the modern Potomac River ............................ 60 Table 3. Morphological...Table 7. Potential source areas for Weverton Quartzite boulders of Glade Hill boulder bed .... 77 11 |  | Sklyarov, E. V., Lavrenchuk, A. V., Starikova, A. E., Fedorovsky, V. S., Khromova, E. A. (2019) Genesis of Manganese Ore Occurrences of the Olkhon Terrane the Western Baikal Region. Petrology, 27 (1) 79-94 doi:10.1134/s0869591119010041 | Journal (article/letter/editorial) | | No. 1, pp. 87–104. Genesis of Manganese Ore Occurrences of the Olkhon Terrane the Western Baikal Region...mineralogical data are reported on the manganese occurrences of the Olkhon terrane (Western Baikal region)...at about 500 Ma. The diversity of manganese occurrences was produced by metasomatic processes that occurred...tectonogenesis (about 470 Ma). Keywords: manganese occurrences, metasomatism, metamorphism, Olkhon terrane,...1134/S0869591119010041 INTRODUCTION Numerous manganese occurrences within the Olkhon terrane (Western Baikal region) |  | | Journal (article/letter/editorial) | | MANUYLOVA FIGURE 1. Solubility of water in Stock Mountain granite as a function of pressure at T = 1173...ite as a function of total pressure, after [9]. quartz [5, 6 ] . The high-and moderate-pressure fades...pegmatite and greisen rare metallic-polysulfide occurrences and deposits and feldspathic deposits of uranium...with quartz vein, quartz-carbonate vein, stockwork, propylitic and secondary quartzite occurrences, chiefly...polysulfide; quartz-vein and stockwork: polysulfide native (gold, silver); secondary-quartzite, propyhtic: |  | | Journal (article/letter/editorial) | | basement is overlain nonconformably by a thick quartzite--mica schist--greenstone sequence known as the...Symbols: 1. Basement gneiss, 2. Conglomerate, 3. Quartzite, 4. Turbiditic psammites, 5. Dolomite, 6. Metapelite...model is a rough approximation and that the thick quartz arenite associations with abundant basic and ultrabasic...quartzites and quartz-pebble conglomerates Kainuu and North Karelia Kainuu Rift I Quartzite-dolomite/pelite...northern Karelia. At Kuusamo an age on the zircon of a quartz-porphyry phenoclast indicates that the Karelian |  | | 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 at the basement cover contact zone and oldest quartz-rich sediment 68 Uranium mineralisation in Khasa...Pradesh 75 Uranium and base metal mineralisation in quartz rich sediments 75 Sediment-hosted vein type uranium |  | | Journal (volume) | | • . . .. 1. S imsiö and the s urro llncling quartzite urea,.; . .. .. .. .. . . ... Geological ou t...l\ [a ngan ese ::\'linerals . . Potrofabrios of quartz ............ . .............. . .. . . 2. Vittinki...Antr ca ........ . .. ... . .. Il KARELJDIC QUARTZITE AREAS A. . . . . . . . . . . . . . . . . . ..... . .. .. ... . . . . . . . . . . . . . . . QUARTZITE AREAS OF W ESTERN LAPLAND . . . . . . . . . ...l GENERAL OUTLJNE OF THE PETROLOGY OF FINNISH QUARTZITE.· . .... .. ..... . .... . .. . . ... . .... |  | | Journal (article/letter/editorial) | | gabbros. The Toggekry Formation is a felsic unit of quartz-sericite schists with small Cu-Zn massive sulphide...undeformed, banded, coarse-grained graphitic quartzite bodies, entirely devoid of sedimentary structures...); diorite (4%); chert, felsic tuff, graphitic quartzite, clastic sediments, calcsilicates, stromatolites...evaporites and stromatolites. Toggekry 2000 m Quartz-feldspar-sericite schist (62%); massive rhyolite...detailed stratotypes shown in Fig. 4. Two small occurrences about 6 km east o f N o n d w e n i village are |  | 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 |  | 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) | | Alteration in the stringer zone consists of abundant quartz, chalcedony, chlorite, and lesser illite and calcite...chalcopyrite, arsenopyrite. and other sulfide minerals. Quartz is the dominant gangue mineral, along with Fe-rich...1993a) This deposit type consists of quartz-adularia. and quartz-adularia-carbonate veins with a wide...barite. and fiuorite. Alteration minerals include quartz, kaolinite. montmorillonite. illite. and zeolites...native mercury. The gangue minerals are mainly quartz, chalcedony, sericite, hydromica. kaolinite, dickite |
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