| | Journal (article/letter/editorial) | OLIVINE FOURCHITES FROM RAYMOND FOSDICK MOUNTAINS, ANTARCTICA BY CLARENCE N . FEN N ER CONTENTS Page Introduction............................................ 385 Picotite.................................................Washington, a small collection of volcanic rocks from Antarctica. Preliminary examĀ ination showed certain rather...2015 368 C. N. FENNERā OLIVINE FOURCHITES FROM ANTARCTICA The paper that follows embodies the results... 370 C. N . FENNERā OLIVINE FOURCHITES FROM ANTARCTICA Of these minerals, micas ordinarily are not | | | Journal (article/letter/editorial) | (4),2r 123-135 (1896)' ON THE MINERALOGY OF ANTARCTICA DuNc.qN SrnwAnt, Jr.., Corleton College,Northf'eld...Christensen(Christensen-Vulkan)of Robert' son Island, West Antarctica. The following is a list of the 167 mineral species'subspecies...questionable occurrence, that have been reported from Antarctica. A number of these have been determined only...Orthoclase Paragonite? Pargasite Penninite Plilogopite Picotite Piedmontite Pigeonite Pinite Pistacite Prehnite...petrography. II. Rocks from Ingrid Christensens Land, Antarctica. Sci. Res. Norwegian Antarctic Exped'. 1927-1928 | | | Journal (article/letter/editorial) | anal., Rb/Sr ratios, 165; Gulf of Aden, I93; Antarctica and lcelatut, reaction with sea-water, 217; classification...mine, Gila County, Arizona, ruizJte, 429 Chrome-picotite, New Caledonia, anal., 39 I Chromite, Norway,...anal., 39 I, 395; and see Magnochromite, Chrom-picotite, Picrochromite Chrysotile, Canada, Rhodesia, and...see RODGERS (K. A.), 389, M21 Deception Island, Antarctica, basalt, volcanic ash, 217 DELIFNS (M.), Review...437 Vis6ite, Belgium, anal., 437 Volcanic ash, Antarctica, leaching of, 2I 7 Wairere, New Zealand, rosenhahnite | | d'Atri, Azzurra, Zuffa, Gian Gaspare, Cavazza, William, Okay, Aral I., Di Vincenzo, Gianfranco (2012) Detrital supply from subduction/accretion complexes to the EoceneāOligocene post-collisional southern Thrace Basin (NW Turkey and NE Greece) Sedimentary Geology, 243. 117-129 doi:10.1016/j.sedgeo.2011.10.008 | Journal (article/letter/editorial) | extrabasinal carbonate rock fragments, as well as by picotite and glaucophane. The application of detailed petrographic...heavy-mineral fraction and are present in all samples. Picotite is present in all samples (20% on average) except...ophiolitic and terrigenous carbonate detritus (Fig. 4). Picotite is the only distinctive heavy mineral, in agreement...metamorphic rock fragments. Ophiolitic rocks and picotite occur as in the Early Eocene section, but terrigenous...ophiolitic rock fragments and (ii) glaucophane and picotite grains, 125 but their amounts are signiļ¬cantly | | | Journal (article/letter/editorial) | Trias-Lias times 688 42. Relationship of Africa and Antarctica at the close of the Karroo period 689 43. Isohyets...Plagioclase builds laths of average length 0.2-0.4 mm. Picotite is a typical accessory. Chief characteristics...prominence of olivine and the occurrence of accessory picotite. (9) Picrite and Picrite-doleriteātype localities:...contain phenocrysts of olivine, plagioclase, and picotite. In several instances the basalts show evidence...with the precipitation of small quantities of picotite. Olivine followed and had a prolonged crystallization | | | Journal (article/letter/editorial) | semi-transparent peripheral zone, apparently a spinel of the picotite 164 Fig. 4 Skeletal crystallites of tridymite...metamorphism, and brecciation of type 3 chondrites from Antarctica. Smithson. Contr. Earth Sci. 26, 73-94. Tandon | | | Journal (article/letter/editorial) | Neoproterozoicāearly Paleozoic RossāDelamerian Orogen of East Antarctica and southeast Australia records the earliest...the north (southeast Australia) and south (East Antarctica). The polarity of subduction along various segments...southeast Australia and the Ross Orogeny of East Antarctica (e.g. Flottmann et al., 1993; Foden et al., 2006;...towards aluminian titanomagnetite or titanian picotite compositions. The core composition of spinels...rims, Mgt = aluminian titanomagnetite-titanian picotite rims). cpx-amphibolites 0.1 Ce Pr Nd Sm Eu Gd | | PALMERI, R., GHIRIBELLI, B., RANALLI, G., TALARICO, F., RICCI, C. A. (2007) Ultrahigh-pressure metamorphism and exhumation of garnet-bearing ultramafic rocks from the Lanterman Range (northern Victoria Land, Antarctica) Journal of Metamorphic Geology, 25 (2) 225-243 doi:10.1111/j.1525-1314.2006.00686.x | Journal (article/letter/editorial) | the Lanterman Range (northern Victoria Land, Antarctica) R. PALMERI,1 B. GHIRIBELLI,1 G. RANALLI,2 F...channel and gravity-driven exhumation. Key words: Antarctica; exhumation; garnet-bearing ultramaļ¬c rocks;...the Lanterman Range (northern Victoria Land, Antarctica) belong to the Gateway Hills Metamorphic Complex...metamorphism and magmatism termed the Ross Orogeny in Antarctica (Kleinschmidt & Tessensohn, 1987; Borg & De Paolo...The BMC consists Fig. 1. (a) Schematic map of Antarctica; (b) structural map of northern Victoria Land | | | Journal (article/letter/editorial) | and dunites contain Cr-diopside and brown-red picotite, with a basanitic host rock; the websterite and...orthopyroxene, clinopyroxene, and brown to red picotite spinel (Mg,Fe)0 (Al,Cr,Fe +3 ) 2 0 3 . Grain sizes...olivine xenocrysts, a few grains of embayed brown picotite spinel, and 50 vol% dark fine-grained groundmass...Mt. Melbourne Volcanic Field, Victoria Land, Antarctica: Contrib. Mineral. Petrol., v. 106, p. 355-366 | | | Journal (article/letter/editorial) | from, 815. Anorthoclase, Nigeria, opt., 37o. Antarctica, olivine, 238. Anthophyllite, conditions for...of augite on bronzite, Scotland, H5. Erebus, Antarctica, albite, anal., d2o i, 489. Exsolution during...gr. 144. Olivine, oriented in meteorite, 23o; Antarctica, recrystallization textures, 238; Arizona, anal...Pian Commune, Piemonte, Italy, omphacite, 61. Picotite, New Zealand, opt., 375. Plagioclase, New Zealand | | | Journal (article/letter/editorial) | spinel plates in Gosse Pile orthopyroxenes are of picotite composition. The plates and rods are elongate...sometimes [100], within (010). Spinel exsolution of picotite composition also occurs as small green plates...sapphirine and quartz in granulite from Enderby Land, Antarctica. Nature 219, 476-477 (1968) Daniels, J. L.: Subdivision | | | Report (chapter) | and they contain phenocrysts of highly aluminous picotite spinel consistent with high-pressure formation...the position of the microplates now embedded in Antarctica and the Falkland Plateau, nor is the precise...699-703. DALZIEL, I.W.D. & ELLIOT, D. 1982. West-Antarctica-problem child of Gondwanaland. Tectonics, 1,...the margin of Gondwanaland: new data from the Antarctica Peninsula and southernmost Andes. Geological... & THOMSON, J.W. (eds) Geologic Evolution of Antarctica. Cambridge University Press, Cambridge, 429-435 | | Della-Pasqua, F. N., Kamenetsky, V. S., Gasparon, M., Crawford, A. J., Varne, R. (1995) Al-spinels in primitive arc volcanics. Mineralogy and Petrology, 53 (1) 1-26 doi:10.1007/bf01171944 | Journal (article/letter/editorial) | et al., 1970), Mt. Melbourne Volcanic Field (Antarctica) (Homing and W6rner, 1992), and Hawaiian tholeiites...Gibb FGF (1972) Chromian pleonaste and aluminous picotite in two Apollo 14 microbreccias 14306 and 14055...geochemistry of basaltic rocks from the Balleny Is, Antarctica. Aust J Earth Sci 39:603-617 Griffin WL, Wass...from Mt Melbourne volcanic field, Victoria Land, Antarctica. Contrib Mineral Petrol 106:355-366 24 F. | | Wang, Kandy K., Graham, Ian T., Lay, Angela, Harris, Stephen J., Cohen, David Ronald, Voudouris, Panagiotis, Belousova, Elena, Giuliani, Gaston, Fallick, Anthony E., Greig, Alan (2017) The Origin of A New Pargasite-Schist Hosted Ruby Deposit From Paranesti, Northern Greece. The Canadian Mineralogist, 55 (4) 535-560 doi:10.3749/canmin.1700014 | Journal (article/letter/editorial) | mineral inclusions within the corundum grains to be picotite and hercynite spinels. Pargasite is the dominant...inclusions plot in the ļ¬elds for Al-chromite (1), picotite (4), and with one result bordering hercynite....Madagascar, south India, Sri Lanka, and east Antarctica. The formation of this belt was due to continental | | | Journal (article/letter/editorial) | Kerguelen Islands peridotite in& But Point, Antarctica dnnite incl. Isle of Rhum peridotite Hiorarssuit...silicates as well as in the oxides chromite and picotite. Hence the chromium abundance of a given ultramafic | | Joy, Katherine H., Crawford, Ian A., Downes, Hilary, Russell, Sara S., Kearsley, Anton T. (2006) A petrological, mineralogical, and chemical analysis of the lunar mare basalt meteorite LaPaz Icefield 02205, 02224, and 02226. Meteoritics & Planetary Science, 41 (7) 1003-1025 doi:10.1111/j.1945-5100.2006.tb00500.x | Journal (article/letter/editorial) | collected from the LaPaz Icefield in central western Antarctica by the Antarctic Search for Meteorites program...mass of lunar meteoritic material yet found in Antarctica. In this paper, we present the petrography of...02224, and LAP 02226. Compositions zones: P = picotite, Al-Cr = aluminous chromite, Al-U = aluminous...mare basalt meteorites from the LaPaz icefield, Antarctica. Geochimica et Cosmochimica Acta 70:1581 ā1600 | | | Journal (article/letter/editorial) | BLOCK 101 rocks are well exposed such as in Antarctica (e.g. Harley, 1998a and reference therein), Eastern...02 to 1.13 wt%) and very low concentration of picotite (Cr2O3 ranging from 0.16 to 0.87 wt%). The hercynite-spinel...detail by previous authors from Eastern Ghats, Antarctica, Sahara, Scotland and the Alps (for references...granulites from Foreļ¬nger Point, Enderby Land, Antarctica: implications for the evolution of the Archean | | | Journal (article/letter/editorial) | clinopyroxenes and very abundant but minute brown spinels (picotite ?). Some of the residual clinopyroxenes have titaniferous...b) kaersutite megacrysts have been reported in Antarctica (R. B. Forbes, written comm., 1968), Alaska (J | | | Journal (article/letter/editorial) | 121-138; l3(2) 217-219; l7(4) 289298; 36(2) 103-l 14 Antarctica 29( l-2) 87- 105 Califomia27(2) 107.114 France...facies Alaska, structural geology 33( 1-3) 67-83 Antarctica, geochemistry 16(4) 273-296; 35(3-4) 245-259...orthoamphibolite; para-amphibolite 16(3)203-213 Antarctica, geochemistry 35(3-4) 245-259 Carpathians 39(...andesites see also boninite; pyroxene andesite Antarctica 29( I-2) 87- 105 Caribbean region l(2) 124-150...10 anorthositic gabbro Norway 14(4) 275-28 1 Antarctica see also Kerguelen Islands geochemistry 21(l) | | | Journal (issue) | .............. 16 MINERALS REPORTED FROM ANTARCTICA. AN OUTLET FOR GEM CUTTERS . . . . . . . . ... 12 ROCKS AND MINERALS MINERALS REPORTED FROM ANTARCTICA DUNCAN STEWART, JR. Lehigh University Since...petrography of the G\'psum ~{irabilite rocks of Antarctica and its islands. The results embodied in these...Zircon Spinel Group Ceylonite Chromite Magnetite Picotite T ridym1te Carbonates Alurite Calcite Group | | | Journal (article/letter/editorial) | Cr2 O3 = 1.3 wt%); and the brownish spinel was a picotite, with Cr# = 0.30 and Mg# = 0.76, where Cr# was...dikes of Vestfjella, western Dronning Maud Land, Antarctica: Geochemical tracing of ferropicrite sources | | | Journal (article/letter/editorial) | chemical weathering is slow: cold deserts such as Antarctica and hot deserts like the Nullarbor. Many thousands...(anomalous chondrite) was discovered in 1995 on Antarctica. Although it was classified as a chondrite, it...meteorite collected in the Elephant Moraine area in Antarctica, EET 87521 [1,2]. Here, we report the cosmicray-...became Earth-crossing only recently and fell in Antarctica 4 k.y. ago. We have measured in these meteorites...OF SURFACE EXPOSURE AGES IN QUEEN-MAUD-LAND (ANTARCTICA). U. Herpersā, M. Altmaierl, and G. Delisle2 | | | Book | those of the South African Karroo, of Tasmania, Antarctica, and Spitzbergen, and those of Keweenawan and...together with the ore minerals, magnetite, ilmenite, picotite, and chromite. Eucrites are characterized by extremely...bands of intensely granulated olivine. Trains of picotite and chromite granules. C. Massive chromite-rich...dendritic inclusions of magnetite. Chromite and picotite are common in dunites, genĀ¬ erally as granular...ratio of about 3 to 1. Enstatite, hornblende, picotite, and chroĀ¬ mite are its usual minor accessories | | | Report (issue) | mirabilite deposits near Hobbs Glacier, Victoria Land, Antarctica...... C. J. Bowser, T. A. Rafter, and R. F. Black...green sp+plag + opx cpx+plag+ol+-opx-+-brown sp (picotite) cpx-++plag+ol+ opx-+chr. Peridotite amongst...cpx+plag-+ol-+-opx+brown V. cpx+plag+ol+ opx-+chr. sp (picotite) 1. Regional setting. The Betic Cordillera (Fig... The typical spinel of assemblage IV is brown picotite, surrounded by a rim of plagioclase (Fig. 8)....marble) āā == 39 burgite with brown spinel (picotite), little orthopyroxene, and little or no clinopyroxene | | | Journal (article/letter/editorial) | ā 06 O3 26-5 100-3 1 Kalix Aland Fen P u Picotite 026 15-3 111 19 9 11-0 O20 _ 3-5 O47 37-2 98-93...(alnoite) from Radok Lake, Prince Charles Mountains, Antarctica Rec. Austr. Bur Miner. Resour. Geol Geophys. |
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