 | | Journal (article/letter/editorial) | | sudoite can be used as a proximity indicator from land to sea from the 3 various subenvironments, e.g...with the leading raw materials sand plus gravel, quarry and dimension stones and limestones used for the...(Fig. 1). It has to be noted that among the term quarry and dimension stones there are also some hidden...rocks which formed the Precambrian through the Lower Carboniferous, when the Visean folding put an end...extension was at its maximum during the Devonian and Lower Carboniferous. Basic submarine volcanic activity |  | | Journal (issue) | | 307 by ]. P. Cassedanne Mineralogy of the Kalkar quarry, Santa Cruz, California..........................Ulrich Burchard on the Kremsmiinster museum in Austria was taken largely from his recent book, Mineral...Minerals Mineral & Needle Craft Creations, Inc. Quarry Enterprises Wallingford, CT Oceanside, NY John...Hyde Park, MD Pawtucket, RI Facet Tool Co. Sea/Land Minerals Oceanside, NY Peekskill, NY Trafford...the w o rld — with special emphasis on Germany, Austria and Switzerland. Articles on the fundamentals and |  | | Journal (article/letter/editorial) | | ferric iron in the lattice structure features the nontronite member of the montmorillonite group. Chromium...all the nontro· nites studied. INTRODUCTION Nontronite, a member of the montmorillonite group, was first...group, nontronite is one of the three minerals, namely, montmorillonite, beidellite, and nontronite, that...Genesis of Nontronite In the Columbia River region of Washington, Oregon, and Idaho, nontronite was formed...not always a prerequisite to the formation of nontronite, as shown by partial alteration of the glassy |  | | Journal (article/letter/editorial) | | Cr. Purplish-red topaz from Sanarka, Orenburg district, USSR, contains about 2700 ppm Cr. Germanium contents...the town of Woodbury, a pegmatite area (on private land) off Flanders Road was worked in a small open-pit...Y.: Mineralogical Press. GROWTH TWINNING I N GRAPHITE FROM CRESTMORE AND JENSEN QUARRIES, RIVERSIDE...literature to graphite, perhaps due to the rarity of good crystals. However, exceptional graphite crystals...[University of Florida] at 15:34 09 June 2016 figure 7: Graphite growth twins. A: Twin by 90° rotation about [00 |  | | Journal (article/letter/editorial) | | sandstone. Other significant production includes graphite, mica, gold, talc, and minor production of barite...pottery clay (Willett and Brackner 1983). Woodstock district-centered 6 km northeast of Vance: Goethite-rich...iron-ore district of the Appalachians (Burchard and Butts 1910). Blount County Champion district-3 km southeast...(Hastings and Smith 1964). Barbour County Eufaula district-13 km southwest of Eufaula: gibbsite and kaolinite...Bauxite has been mined since 1927 in the Eufaula district and is one of only two active bauxite mining areas |  | | Catalog/List | | no matrix. Good RF Ml £2 59. BARITE,Coldstones Quarry,Patley Bridge,Yorkshire.Attractive xtl groups of...with ADULAR,Schwarzkopf,Anlauftal.Pongau,Salzburg,Austria. PU mass of greenish black earthy clinochlore coated...LOLLINGITE.Grube Lolling.Huttenberg in Karnten,Austria Rich veins of radiating silvery grey needle like...Ml.£4 114 MAGNETITE,Rompersdorf Land.Burgenland,Austria Well formed submetallic black magnetite octahedra...Ml.£12 117. NONTRONITE,Marrakesh,Morocco. Veinlets of this powdery massive yellow nontronite traversing |  | Köster, H. M., Ehrlicher, U., Gilg, H. A., Jordan, R., Murad, E., Onnich, K. (1999) Mineralogical and chemical characteristics of five nontronites and Fe-rich smectites. Clay Minerals, 34 (4) 579-599 doi:10.1180/000985599546460 | Journal (article/letter/editorial) | | procedures. The structural formulae indicate one nontronite and one Fe-rich smectite to be montmorillonitic...coordination, whereas the third had a distinctly lower quadrupole splitting. Although the position of the...fractionation of nontronite-water at ambient temperatures (1000 lna = 23 + 2%) is lower than that of Fe-rich...1980). The existence of a continuous beidellite±nontronite series was suggested on the basis of chemical...analyses by Ross & Hendricks (1945). However, a nontronite with montmorillonitic structure has been described |  | | Journal (article/letter/editorial) | | E D M E T A M O R P H I C ROCKS AT THE U L E Y GRAPHITE MINE, S O U T H A U S T R A L I A JOHN L. KEELING... GPO Box 1617 Adelaide, SA 5001 Australia CSIRO Land and Water, PMB No. 2, Glen Osmond, SA 5064 Australia...n g operations during the early 1990s at Uley Graphite Mine near Port Lincoln on southern Eyre Peninsula...Peninsula, South Australia, uncovered abundant nontronite veins in deeply weathered granulite facies schist...amphibolite of Palaeoproterozoic age. Two types of nontronite are present: a bright yellowish-green clay (NAu-1) |  | | Book | | volcanic ash and larger pyroclastic material on the land surface; in freshwater lakes; shallow marine seas;...different processes depending on whether it fell on the land surface, freshwater lake, or shallow sea; into a...a saline, alkaline lake; or into the ocean. LAND SURFACES Zeolites can form as the result of meteoric...ash or pyroclastic deposits that settled on the land surface, into freshwater lakes, or into a shallow...glassy ash. This ash was carried by the air onto the land surface where it is reworked by streams, shallow | | | Book | | volcanic ash and larger pyroclastic material on the land surface; in freshwater lakes; shallow marine seas;...different processes depending on whether it fell on the land surface, freshwater lake, or shallow sea; into a...a saline, alkaline lake; or into the ocean. LAND SURFACES Zeolites can form as the result of meteoric...ash or pyroclastic deposits that settled on the land surface, into freshwater lakes, or into a shallow...glassy ash. This ash was carried by the air onto the land surface where it is reworked by streams, shallow |  | | Report (issue) | | soapstone quarry. Giles (1961) observed similar material in the Alberene soapstone quarry. Rare earth-bearing...noted in the Catoctin Formation at the Shadwell quarry in ttre 1970s. The platy crystals are to 0.25 inch...Dominion soapstone quarry. Giles (1961) observed similar materid in the Alberene soapstone quarry. Rare earth-bearing...not€d in the Catoctin Formation at the Shadwell quarry in ttre 1970s. The platy crystals arc to 0.25 inch...amounts of bornite occur in the newer soapstone quarry at Alberene. W. A. Nelson (personal communication |  | | Journal (article/letter/editorial) | | 616–632, 2012. LABORATORY-SIMULATED DIAGENESIS OF NONTRONITE M A T T H EW A. M I L L ER , A ND R E W S . M...Street, Suite 710, Norman, OK 73019, USA Abstract—Nontronite NAu-1 was exposed to moderate temperature and...Words—Diagenesis, Ferroceladonite, Illite-Smectite, Iron, Nontronite, TEM, XRD. INTRODUCTION Illitization during...of Fe-rich smectite. Fe-rich smectites such as nontronite and ferrous saponites have been studied in the...alteration and/or diagenesis, experimental studies of nontronite alteration are lacking. In the summary of experimental |  | | Journal (article/letter/editorial) | | shape, constitutes approximately half of Canada’s land surface and boasts one of the most productive mining...layer of sediments produced fertile agricultural land; unfortunately much of this is now covered by urban...stretch three thousand kilometers; from Newfound land to Alabama. They form the eastern coastline from...Richardson ground squirrel still roam this secluded land. Lazulite, “Gemstone” of the Yukon During the summer...only a few other localities in the world, notably Austria, Sweden, Brazil and the United States. On 16 February |  | | Report (volume) | | _________--____-_---_-------___-_--------_----_______ Ajo district.-_--_.____---------______--_-_--__---_______ Oatman...____________________________________________________ 11 Austria._____________________________________________________...______--__-__---_____----_____-__-___-___________ Bonanza district._________________________________________ Breckenridge...region___________________________________________ Spanish Peaks district.____________________________________ Summitville...________________________________________ Edwardsburg district._____________________________________ 11 11 12 |  | | Journal (article/letter/editorial) | | Byelorussite-(ce)occurs in a salband of a quartz vein in lower Proterozoic metasomatized granosyenitesbelonging...g to the Zhitkovitschskij horst, Homel district, Byelorussia SSR.The mineral is associatedwith quartz...cubic-octahedral crystals (10-80 pm) associatedwith graphite,moissanite,and native iron, or less frequently...(plagioclase, biotite, muscovite, quartz) plus graphite, chalcedony-like quarlz, sericite, and chlorite...d spectrum of the mineral is closeto that of nontronite and has absorptionsat 3705 and 3550 cm-'. The |  | | Book | | utilization of known materials (e.g., chemically pure graphite applied as a moderator of fast neutrons in atomic...partial ablation of the surface causes cooling of the lower layers, which thus acquire a more resistant structure...(diorites to quartz diorites) which predominate in the lower layer of the continental crust, produces melts that...industrial minerals of magmatic origin (diamond, graphite, corundum, forsterite, apatite, eruptive rocks)...consolidation. The early magmatic deposits of diamonds and graphite have a common origin from carbon or carbonaceous |  | | Journal (article/letter/editorial) | | ers), whereas Fe and some AI are clustered in nontronite-like domains (or layers). Most selected-area...vacancies, such as in the Garfield, Washington, nontronite. Thus, the Ni-Fe-Mg-smectite, which seemingly...composition, Laterite, Mossbauer spectroscopy, Nickel, Nontronite, Pimelite, Smectite, Transmission electron microscopy...pyroxenitic rocks within the dunite. The Jacuba quarry (48°25'W and 14°22'S) is in the western part of...from poorly fractured pyroxenite rocks, Jacuba quarry, Niquelandia, Brazil. Sam· plc' SiO, I 2 3 4 |  | | Journal (article/letter/editorial) | | anhydrite from the SH2 we11, Sabatini volcanic district, Latj,um, Italy: Fluld inclusions and nlneral...superstructure lian sapphirine from Casey Bay, Enderby Land, Antarctica, 1134 383 Chu, H., see Shen, P., Experimental...garnet-corundum rocks and eclogite from the Donghai district, Jiangsu prouin.", .u"t China. 48 Ercit, T.S....Rietmeijer, granulites from Fyfe Hi1ls, Enderby Land, Evidence for 1000 oC metamorphic Antarctica: crust-in...Pyroxene exsolutlon granulltes from Fyfe Hi11s, Enderby Land, Evidence for 1000 oC metamorphic Antarctica: crust-in |  | | Journal (article/letter/editorial) | | 606–626, 2010. SAPONITE-RICH BLACK SHALES AND NONTRONITE BEDS OF THE PERMIAN IRATI FORMATION: SEDIMENT...layers, talc, lizardite, nontronite, and quartz. Green claystones are nontronite-rich but also contain lizardite...weathering processes. The presence of saponite, nontronite, and some accessory minerals (spinel, pyroxene...anomalies. Sample POR-56 consists largely of nontronite and is anomalously rich in zircon, monazite,...claystones contain saponite, talc, and lizardite but nontronite is absent. Saponite and talc crystals, however |  | | Report (issue) | | Hectorite....................................... Nontronite...................................... Volchonskoite........... Nontronite.................................. Montmorillonite-beidellite-nontronite series..... 58 8. Electron micrographs of hectorite and nontronite................................................................................ Analyses of nontronite................................................oo] Oio[OH] 2 . +3 T Nontronite Fe 2.0o[Al.33Si3.67] Oi 0 [OH] 2 Nontronite (aluminian) Fe 2.i7 [A1 |  | | Journal (article/letter/editorial) | | Reviews—Prof. Weinschenck—-The Graphite Mines of Ceylon. 175 opening, or micropyle, along the top. As...series of rock and JL vein specimens from the graphite mines of Ragedara, Ampe, Pushena, and Humbuluwa...rocks and the mode of occurrence and origin of the graphite. A general petrographical description of the granulitic... except in the immediate neighbourhood of the graphite veins. It is interesting to note that Professor...1017/S0016756800178458 176 Reviews—Prof. Weinschenck—The Graphite Mines of Ceylon, rocks. The existence of still |  | | Journal (article/letter/editorial) | | SERENDIBITB AND ASSOCIATED MINERA]-S FROM THE NEW CITY QUARRY, RIVERSIDE, CALIFORNIA Gnnarn M. RrcnuoNn, Haraaril...been famous as mineral localities. At the New City Quarry, two miles south of Riverside, the marble has been...less regular. Although the collection made at the quarry represents only a few hours observations, the following...relation, were observed in the laboratory. Therm,al, graphite magnetite periclase Earl,y hyilrothermal allanite...clinozoisite hydromagnesite limonite magnetite nontronite phlogopite sericite SBnnNnrnrrn Serendibite |  | | Journal (article/letter/editorial) | | as ferric halloysite and as poorly crystalline nontronite. Hisingerite from the original localities of...admixed nontronite. Key Words-Cation Exchange Capacity, Halloysite, Hisingerite, Kaolinite, Nontronite, Transmission...associated with hisingerite from the Brandywine Quarry in Delaware, which they named "canbyite", concluding...this material match those of poorly crystalline nontronite, and the electron micrographs are described as...crystalline nontronite. An alternate interpretation is that their sample is poorly crystalline nontronite. Eggleton |  | Dogan, Meral, Dogan, A. Umran, Yesilyurt, F. Irem, Alaygut, Dogan, Buckner, Ira, Wurster, Dale Eric (2007) Baseline studies of The Clay Minerals Society special clays: specific surface area by the Brunauer Emmett Teller (BET) method. Clays and Clay Minerals, 55 (5) 534-541 doi:10.1346/ccmn.2007.0550508 | Journal (article/letter/editorial) | | Cookeite, Illite, Illite-smectite, Montmorillonite, Nontronite, Rectorite, Ripidolite, Special Clays, Specific...Montmorillonite Ca-montmorillonite Beidellite Nontronite Nontronite Nontronite Synthetic hectorite Synthetic Laponite...1997). Nontronite The nontronites, NAu-1 (green) and NAu-2 (brown), originated in the Uley graphite mine...Schneiderhoehn (1965) characterized the NG-1 nontronite. The results of average BET SSA of NAu-1 is 52...sheet-forming bacteria play a decisive role in nontronite formation at these sites (Kohler et al., 1994) |  | | Report (issue) | | METAMORPHOSED BIWABIK IRON-FORMATION, EASTERN MESABI DISTRICT, MINNESOTA UNIVERSITY OF MINNESOTA MINNESOTA...Metalllorphosed Biwabik Iron-Formation, Eastern Mesabi District, Minnesota BY JAMES NOVOTNY GUNDERSEN AND GEORGE...Eastern Mesabi district. It had been known from the earliest explorations in the Mesabi district that the eastern...the metamorphic minerals of the Eastern Mesabi district. Dr. Gruner also furnished invaluable assistance...Iron-Formation 18 19 22 General Features 22 Lower Cherty Member 24 Lower Slaty Member 31 Upper Cherty Member |
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