 | | Journal (article/letter/editorial) | | of the biotite gneisses is formed by quartz, plagioclase (An30_40), sillimanite, K-feldspar, biotite and...widespread banded type is a rock formed of quartz, plagioclase, perthitic K-feldspar, almandine--pyrope garnet...Kulp, 1956) where most of Sr is contained in plagioclase. Analogously, the St--Ca and Sr--Na relationships...contained in plagioclase and that the absolute Sr content depends on the proportion of plagioclase present...explained by a substantial redistribution of Sr from plagioclase to the K-feldspar formed through reaction (3) |  | | Journal (article/letter/editorial) | | compositionof the plagioclase(Yon Gruenewaldt, 1973a).Apartfromthe fluctuations in the plagioclase subzonealsoconsistsof...layered anorthositesand magnetite layers. Apart plagioclase,olivine, orthopyroxene,and clinopyroxfrom the...order to obtain the purest possiblemagnetite Plagioclase within theseolivine-apatite-bearing rocks concentrates...magnetitelayers within our data with Cawthorn and McCarthy's (1980, subzoneD. The only exceptionsto this chromium- |  | | Journal (article/letter/editorial) | | showing a fairly constant orthopyroxene and plagioclase composition through the spheroids and into the...amounts of biotite and opaque minerals. Some plagioclase crystals have epidote -+ chlorite alteration...and talc assemblage. In the aggregates, the plagioclase is interstitial, contrasting with that in the...for orthopyroxenes, isolated n u m b e r s are plagioclase analysis sites (Table 4). 300 TABLE I Modal...Spheroid PLAG is both cumulus and interstitial plagioclase: OPX is cumulus orthopyroxene: n.d. indicates |  | | Report (issue) | | northern Darby Mountains to the Fish River in McCarthy's Marsh. This is approximately located; it is sample...limonite staining, weak to strong sericitization of plagioclase, and variable chloritization and sericitization...limonite staining, weak to strong sericitization of plagioclase, and variable chloritization and sericitization...Telephone Creek, a tributary to Fish River in McCarthy's Marsh. It is approximately the location of sample...Telephone Creek, a tributary to Fish River in McCarthy's Marsh. This location approximates sample locality |  | Clifford, Tom N., Stumpfl, Eugen F., Burger, Alwyn J., McCarthy, Terence S., Rex, David C. (1981) Mineral-chemical and isotopic studies of Namaqualand granulites, South Africa: A grenville analogue. Contributions to Mineralogy and Petrology, 77 (3) 225-250 doi:10.1007/bf00373538 | Journal (article/letter/editorial) | | previously published data on similar rocks, and with McCarthy's (1976) suggestion of extensive partial melting...analyses of orthopyroxene, clinopyroxene and plagioclase from two-pyroxene granulites Olivine-normative...is orthopyroxene, clinopyroxene (salite) and plagioclase; and electron microprobe analyses of these minerals...microcline-microperthite, cordierite, small amounts of plagioclase, sillimanite and magnetite; rounded crystals...Electron microprobe analyses of garnet, biotite and plagioclase Granite gneiss and granulite Wolfram Schist |  | | Journal (volume) | | R by the fractionation of clinopyroxene and plagioclase. A Tb., - MnO - P 2 O ç ternary diagram (Mullen...systematic change in composition from north to south. Plagioclase compositions exhibit small variations in composition...northeast of Bethel, where the An content of the plagioclase increase abruptly (An 2?cd 35). Based on mineral...biotite-garnet zone due to presence of garnet and Ca-rich plagioclase. The Moretown Formation is assigned to the biotite...primary biotite and muscovite with well-formed plagioclase and quartz. Late hydrothermal alterations produced |  | | Journal (issue) | | 50 JOBS & CAREERS New York, NY 10010, USA AUSTRALIA Recruitment Advertising TO SUBSCRIBE Syndication...studies of DNA databases from several US states and Australia have prompted these concerns to surface yet again...recent insights into DNA databases in the US and Australia. The group, led by Dan Krane of Wright State University...August, found the mother lode - vast outcrops of plagioclase crystal along a mountain range inside the moon's...seemed to be virtually iron-free, hinting at plagioclase. But Chandrayaan-l was able to detect the light |  | Till, A.B., Dumoulin, Julie A., Gamble, B.M., Kaufman, D.S., Carroll, P.I. (1986) Preliminary geologic map and fossil data, Solomon, Bendeleben, and southern Kotzebue quadrangles, Seward Peninsula, Alaska. Open-File Report Vol. 1986 (86-276) US Geological Survey doi:10.3133/ofr86276 | Report (issue) | | model percentages of quartz, alkali feldspar and plagioclase (recalculated to 100 percent) for intrusive rocks...Ternary diagrams of quartz, alkali feldspar and plagioclase in intrusive rocks ACrossfox Butte stock o...nomenclature (modified from Streckeisen, 1976) Quartz Plagioclase Alkali Feldspar 1- quartz-rich granitoids 8-...mus muscovite nph nepheline opq opaques pig plagioclase prx psl qtz rtl ser sch sil sph tml tpz zir...Kigluaik Mountains, around Safety Sound, and in McCarthy's Marsh, unit includes extensive areas of (early |  | | Journal (article/letter/editorial) | | occurs near Jordanow, where it crops out in an old quarry. It was first described by Traube (1885, 1887)...jade used by the Maori (1944, 1945, 1950), and McCarthy's description )f New Zealand greenstones (1954)... 14 IGR-BOOK SECTION a more calcium-rich 'plagioclase. The latter is represented by andesine (An 31-35)...gabbro-dolerites with the following mineral composition: plagioclase, Ti-augite, kersutite hornblende, biotite, titanite...comparatively large bodies. Its mineral composition is plagioclase, 55-70%; diopside, 30-40%; some varieties contain |  | | Journal (volume) | | Associated Gold Mines of W.A Aramayo Francke Mines Australia, Oil in A. E. Berriman Aviation Bananas, Copper...La Grange .Mine, California Labour Trouble in Australia Laist's Leaching Process iMke District, Mines...Jaekman .... Ogilvie Oil Fuel Oil Handbook Oil in Australia ., . . , . . . . . . . . . . ....Chester Master Tin Mining in Mexico Tin Mining in Tasmania Tingha Consolidated Tin Mines (c.l.) .... Report...England In France Afloat from Chile Afloat from Australia In Rotterdam In Hamburg In Bremen In other European |  | | Report (volume) | | slightly foliated. It contains hornblende and plagioclase, with minor sphene and iron oxide. The meta-andesite...International Palynological Congress, Brisbane, Australia, Abstracts volume, p. 181. Reviewers: William...hypersthene, plagioclase, minor opaques, and minor hornblende (after pyroxene). The plagioclase is unzoned...are partly altered to actinolite + chlorite. Plagioclase is unzoned and calcic (about An60-7s by Carlsbad-albite...(epidote + sphene) also occur in the groundmass. Plagioclase composition generally ranges from An45 to An60 |  | | Journal (volume) | | Electrically-Driven Pumps Electrolytic Zinc of Australia {m.d.) 2.53 230, 355 199 161 64 8 *139 *203...Silver District, Mexico Molybdenite Mining in Australia Molybdenite Mines in Norway Mongu (Nigeria) Tin...Mill Wankie Colliery Water-Power Projects in Tasmania Wave-Transmission Rock-Drill Welgedacht Colliery...Mines, P'-lectricity in (m.d.) 50 Tin Mining in Australia J. B. Lewis (m.d.) 2.53 Tin Ticketing 357 Tin...and over all there is a subtle influence Mr. McCarthy's accountof his stay at Pigg's Peak, Swaziland |  | | Book (volume) | | University of Melbourne Parkville, Victoria, Australia Scripps Institution of Oceanography La Jolla...University of Sydney Sydney, New South Wales, Australia Contributors vi Charles S. Hutchison Russel...Macquarie University North Ryde, New South Wales, Australia Douglas F. Williams Department of Geology and...501 503 505 Western and Northwestern Margin of Australia J. J. Veevers I. Introduction ................. Structural Units along Southern Continental Australia ........... III. Southern Continental Margin |  | | Journal (volume) | | Prisoner Progress at West Australi on West Australia California P.Walker (m.d.) F.,r "Bast Urn...Lydenburg Report Goch, New.. Gold Discoveries in West Australia, History of.. C.M.I Ian Gold Market, Free 139...Surveying (m.d.) 53 (m.d.) 189 Copper Leaching In Australia Mathewson & Cop> M< tiltai • Pulverieed Coal in...Magnesite in the United States Magnesite in West Australia Magnetic Surveys Magnetism, Terrestrial Magnetite...Mines Prospecting, Future of Prospecting in West Australia Prospectusless Companies Pulverized Coal Pumping |  | | Journal (volume) | | J. Beringer Associated Gold Mines of Western Australia ....Keport... Associated Gold Mines G. M. Roberts...of Canada Report.. 219 Converter Practice in .Australia (c I.).. 154 Converters, Foaming in (el.). 468...Mein H Granby Consolidated Gravel Mining in Tasmania Gray, W., & A. L. Halden (p.t.) East Gwanda...Congress, American Mining in of. Western Australia Mining Lairs of Mexico R. J. Kerr C. De Kalb...J. P. Hutchins (c.l.) Report Report Reixirt Australia Mining in Western Sulphuric Acid at Ducktown |  | | Report (issue) | | basin and valley perthitic microcline, quartz, plagioclase, muscodeposits at Anchorage, Kenai, and Juneau...lowlands of the upper Fish River drainage system (McCarthy's Marsh). The scarp is most evident between the...counted as lithic fragments because many include plagioclase and other minerals, and a few grade into aphanatic...polycrystalline quartzose grains F = total feldspar P plagioclase 7 4 0 18 1-14 SEDIMENTARY RF P/F V/L ...can be attached to the slight difference in plagioclase feldspar (P) to total feldspar (F) ratios between |  | | Report (issue) | | seismograph systems were installed at Charters Towers, Australia (CTAO); Guam, Mariana Islands (GUMO); Kongsberg...Su, F., K. Aki, and N. N. Biswas, Discriminating quarry blasts from earthquakes using coda waves, Seismol...the paleoseismicity of the 1988 Tennant Creek, Australia intraplate earthquakes. The manuscript, which...field studies of the 1986 Marryat Creek, South Australia fault scarps. Their Australian studies are being...Marryat Creek and Tennant Creek scarp in Central Australia (Crone and others, 1991; Machette and others, |
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