 | | Journal (article/letter/editorial) | | by Springer-Verlag 1980 Leucitites From Gaussberg, Antarctica J.W. Sheraton 1 and A. Cundari2 1 Bureau...age from the extinct volcano of Gaussberg on the coast of East Antarctica consist of microphenocrysts of...relatively high Ni and Cr contents suggest that the Gaussberg lavas represent near-primary melts, some degree...factor in the genesis of these unusual rocks. Gaussberg is situated on a passive continental margin and...Antarctic Expedition from Mirny base visited Gaussberg in 1956 and 1957, and a largely petrographic account |  | | Journal (article/letter/editorial) | | Arculus (1978) described Fe-pleonaste rimmed by chromite enclosed in augite which was in turn enclosed...occurrences Mg-rich pleonaste rims on groundmass chromite/titanomagnetite have been described from several...rock, the olivine leucitite of Gaussbergvolcano, Antarctica. Mineralogical, petrographic and experimental...The olivine leucititesof Gaussbergvolcanoin Wilhelm II Land, easternAntarctica(Sheratonand Cundari, 1980)...field is 1.5 mm. The aluminous spinels in the Gaussberg experiments occur as tiny transparent single or |  | Sushchevskaya, N. M., Migdisova, N. A., Antonov, A. V., Krymsky, R. Sh., Belyatsky, B. V., Kuzmin, D. V., Bychkova, Ya. V. (2014) Geochemical features of the quaternary lamproitic lavas of Gaussberg Volcano, East Antarctica: Result of the impact of the Kerguelen plume. Geochemistry International, 52 (12) 1030-1048 doi:10.1134/s0016702914120106 | Journal (article/letter/editorial) | | the Quaternary Lamproitic Lavas of Gaussberg Volcano, East Antarctica: Result of the Impact of the Kerguelen... data were obtained on the lamproites of the Gaussberg Volcano located at the eastern Antarctic coast...elements, and radiogenic Sr and Pb isotopes. The Gaussberg Volcano located on the eastern Antarctic continental...magmatism at the Antarctic margin around 56 ka (Mt. Gaussberg) indicate a sublithospheric spreading of mantle...southwestern direction. Keywords: lamproites, Antarctica, plume magmatism, isotopy, geochemistry DOI: |  | | Book | | PUBLICATIONS EXCHANGE AGREEMENT BEDROCK GEOLOGY JU ANTARCTICA Alfred R. Taylor U.S. Antarctic Projects Officer...Washington BEDROCK GEOLOGY OFFICER D.C. OF ANTARCTICA by Alfred R, Taylor LTJG, USNR June 1960 Introduction...Island Arc and Palmer Peninsula Marie Byrd Land and "Ellsworth Land" Volcanic Islands on West Side of the...Trans-antarctic Mountain Belt Wilkes Land-Enderby Land Queen Maud Land-Coats Land Structural Relationship of the...org/details/bedrockgeologyot0Otay! INTRODUCTION Antarctica It was gan. in the was visited early as |  | | Report (chapter) | | volcanics of the Leucite Hills, Wyoming, and Gaussberg, Antarctica, respectively. Intrusive and extrusive forms...~S-Y[NITE .,S j PHONOLITE(b- ~ " " " 9 TRACHYTE # #9 II / s 9 NEPHELINE SYENITE S S MONZONITE 9 ADAMELLITE...(TAYLOR'& McCLENNAN, lg81) TRACHYANDESITE ~"~'0 ~ ii~ ~" ~,~ RHYODACITEiiii: ) /" // / DEEP SEA PE. ....,~, OCL,TM=r~/~ m 0.2 .." 9 .,..,,. ~iiii ii iiiii::iii ~ I Y .-" ARCHEAN U. CRUST J" ~ "~GRANOD:IORI:TEJ...~5 . . . . . . . . v.............. CARB~,/IC~\\\~II~.'~'~-:_~_-" - - ~NO-RITEO DU-~'~--CTB (MASON,1967) |  | | 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...Chloritoid Chondrodite Christensenite Chrome diopside Chromite Chrysolite Chrysotile Clinochlore Clinoenstatite...to Antarctic petrography. II. Rocks from Ingrid Christensens Land, Antarctica. Sci. Res. Norwegian Antarctic |  | | Book | | 3.6. Antarctic Lamproites 3.6.1. Group Name: Gaussberg 3.6.2. Group Names: Mount Bayliss and Priestley...Corsica 6.1.15. Majhgawan, India 6.1.16. Gaussberg, Antarctica 6.1.17. Probable Lamproites-Murun, Presidente...petrogenetic hypothesis and it was not until diamond and chromite were used as indicator minerals that the Ellendale...1987). Leucitebearing lavas from the Gaussberg volcano, Antarctica (Sheraton and Cundari 1980) have been...Murcia-Almeria Murcia-Almeria North Vietnam Borneo Antarctica Cross (1897) Cross (1897) Cross (1897) Wade |  | | Journal (article/letter/editorial) | | perovskite, phlogopite (UP lite. phlogopite, Mg-Al-chromite). described xenolith phlogopite of contains...and also present rim mantling phitic 219 chromite as (Fig large large rim, . 2). Amphiboles...light UP and coexisting are given Fine chromite (lower). platelets. as Gt, coaser grains...containing by (UP section) fine amphibole, chromite in coarse rounded the of overlaps of Ba...rounded the 1 pools pyroxene. and minerals chromite, 10mm diopsidic phlogopite garnet-bearing |  | Talukdar, Debojit, Pandey, Ashutosh, Chalapathi Rao, N. V., Kumar, Alok, Pandit, Dinesh, Belyatsky, B., Lehmann, B. (2018) Petrology and geochemistry of the Mesoproterozoic Vattikod lamproites, Eastern Dharwar Craton, southern India: evidence for multiple enrichment of sub-continental lithospheric mantle and links with amalgamation and break-up of the Columbia supercontinent. Contributions to Mineralogy and Petrology, 173 (8) doi:10.1007/s00410-018-1493-y | Journal (article/letter/editorial) | | fluorine-rich phlogopite, amphibole, apatite, chromite, allanite, and calcite. The trace-element geochemistry...anorogenic lamproites, found particularly in India, Antarctica, Australia, Canada, and USA, and reported from...basis of petrography, it can be inferred that chromite and apatite were the earliest phases to crystallize...al. 2006), Denizli lamproites (Yilmaz 2010), Gaussberg lamproites (Murphy et al. 2002), Leucite Hills...those from Aldan Shield (Davies et al. 2006), Gaussberg (Murphy et al. 2002), Leucite Hills (Mirnejad |  | | Journal (article/letter/editorial) | | phlogopite, sanidine, armalcolite, clinopyroxene, chromite, priderite, apatite, and abundant glass. The lamproite...1989). 6. Leucite lamproite composition found in Gaussberg (after Foley, 1989). * New analysis. t Includes...alignment is absent. Small amounts of euhedral chromite (<20/im), clinopyroxene (<10/im), and prismatic...West Kimberley and the leucite lamproite from Gaussberg (Table 1, analyses 5 and 6). Figure 4 compares...1, analysis 4) and the leucite lamproite from Gaussberg (Table 1, analysis 6), show different relationships |  | | Book | | Africa . . . . . 4.4 The Lamproitic Rocks from Antarctica . . . . . . . . . . . . . . . 4.5 Potassium-Rich...Western Australia, Leucite Hills (U.S.A.) and Gaussberg (Antarctica) . . . . . . . . . . . . 5.4 Minor Element...Investigation on a Leucite Lamproite from Gaussberg, Antarctica . . . . . . . . . . . . . . . . . . 13.2...K-rich rocks from Leucite Hills (U.S.A.), Gaussberg (Antarctica), West Kimberley and New South Wales (Australia)...all the K-rich rocks from West Kimberley and Gaussberg (Fig. 1.3a), Toro-Ankole of S.E. Uganda (Fig. |  | | Journal (article/letter/editorial) | | patterns and radiogenic isotope systematics [7,8], and (ii) an extremely depleted mantle component characterized...and steep compositional profiles (Fig. 2). Mg-chromite inclusions in olivine comprise tiny (b5 μm) idiomorphic...3+ ), with Fe 2+ calculated from stoichiometry). (ii) In contrast, mm-sized xenomorphic mantle olivine...zone or lower mantle which has been proposed for Gaussberg and also for Spanish lamproites [22] on the basis...basis of Pb isotope compositions. Both in Gaussberg [34] and in Ol/liq Spain, high DNi has been determined |  | | Journal (article/letter/editorial) | | higher partition coefficients in lamproites from Antarctica and Spain: DNi ranges from 42–95, DCr from 3...pattern of the ugandites is similar to that of the Gaussberg lamproite (Mg# = 70; Foley and Jenner 2004) which...basalts (orange squares— Hagerty et al. 2006), Gaussberg lamproites (black crosses—Foley and Jenner 2004)...DV around 0.015. The slightly lower values for Gaussberg lamproite (0.01; Foley and Jenner, 2004) and higher...fugacities estimated from Fe3?/(Fe3??Fe2?) of chromite inclusions in olivine by Foley (1985). Applying |  | | Journal (article/letter/editorial) | | as proxies of fractional crystalliza tio n of chromite, and proposed that fractionation of isotopically... reflecting limited crystal fractionation and chromite removal. More importantly, spinel and basaltic...eastern China Pr basalts cannot be attributed to chromite fractionation. Thus, the incompatible trace element...sediments with N-MORB (Fig. 4a). In addition, the Gaussberg lamproites, which are considered to be melts of...(2017b), and Huang et al. (2018). Data for EM I, EM II, and HIMU are from Zindler and Hart (1986), for Pacific |  | Zhang, Yanfei, Wu, Yao, Wang, Chao, Zhu, Lüyun, Jin, Zhenmin (2016) Experimental constraints on the fate of subducted upper continental crust beyond the “depth of no return”. Geochimica et Cosmochimica Acta, 186. 207-225 doi:10.1016/j.gca.2016.05.002 | Journal (article/letter/editorial) | | 300 The normalized compositions of EM-II (enriched mantle II) from Samoa (Jackson et al., 301 2007)...arc lava (IAB) (Elliott, 2003), lamproites from Gaussberg 302 (Murphy et al., 2002) and DMM (depleted...is similar to that of EM-II from Samoa lava and lamproites 305 from Gaussberg, but is completely different...trace element data of basalt lavas from Samoa (EM-II) show affinities similar to 500 that of the UCC...at 49–52 wt% SiO2) lamproite lavas from Gaussberg, Antarctica, 504 have found that the isotopic and |  | Prelević, D., Foley, S. F., Romer, R. L., Cvetković, V., Downes, H. (2005) Tertiary Ultrapotassic Volcanism in Serbia: Constraints on Petrogenesis and Mantle Source Characteristics. Journal of Petrology, 46 (7) 1443-1487 doi:10.1093/petrology/egi022 | Journal (article/letter/editorial) | | lamproites has been put forward recently for Gaussberg, Antarctica, and also for Spanish lamproites (Murphy...Ol–Cpx–Lct lamproite from Borač; (c) sample RO/1-II, Cpx-free Ol–Phl–Sa lamproite from Rudnik (note altered...modal abundance of 10– 15 vol. %, usually host Mg-chromite inclusions with high Cr-number [atomic Cr/(Cr...two types: olivine–phlogopite þ clinopyroxene þ chromite (Type 1) and salitic-Cpx– biotite–plagioclase...BK01/3-1 BK01/3C BK01/3A-2 ZB01/2 ZB01/1 RO/1-II SiO2 TiO2 Bo2-1 Bo2-2 Rudnik RO00/1-A 49.4 |  | | Journal (article/letter/editorial) | | spectra of non-prospective lamproites from Gaussberg, Antarctica (Murphy et al. 2002). Orangeites (Mitchell...South African on- and off-craton Group I and Group II kimberlites: petrogenesis and source region evolution...perovskite as an oxygen barometer for kimberlite magmas. II. Applications. J. Petrol. 48, 231-252. Carlson, R...& Kamber, B.S. (2002): Lamproites from Gaussberg, Antarctica, possible transition zone melts of Archean...planetary mineralogy: V/(V + Al) systematics in chromite as an indicator of relative oxygen fugacity. Am |  | | Journal (article/letter/editorial) | | f. Spinels are euhedral titanomagnetite with chromite cores (with Cr2O3 ranging to 60 wt.%). systems...microphenocrysts in the glass. Euhedral spinels, with chromite cores and titanomagnetite rims, are evenly distributed...minerals in common (Bowen, 1928), these include chromite and clinopyroxene. In Spain calcium carbonate...in Spain, Germany and Zambia include magnesio- chromite phenocrysts, which are a hallmark of this type...indicating immiscibility in the deep mantle. Xenocryst chromite has very high levels of Cr2O3, which in Spain |  | Rao, N. V. Chalapathi, Atiullah, , Kumar, Alok, Sahoo, Samarendra, Nanda, Purnendu, Chahong, Ngazimpi, Lehmann, B., Rao, K. V. S. (2016) Petrogenesis of Mesoproterozoic lamproite dykes from the Garledinne (Banganapalle) cluster, south-western Cuddapah Basin, southern India. Mineralogy and Petrology, 110 (2) 247-268 doi:10.1007/s00710-015-0388-0 | Journal (article/letter/editorial) | | microphenocrysts, spinel having a compositional range from chromite to rarely magnesiochromite, Srrich apatite and...India Exploration, 36/A, Peenya Industrial Area, II nd Phase, Bangalore 560058, India between various... Leucite Hills, Smoky Butte, West Kimberley, Gaussberg, and the Mediterranean region; Murphy et al. 2002;...Basin and the Eastern Dharwar Craton (EDC; Fig. 1a); (ii) compare the new data with those of the previously...Mesoproterozoic rifting (Chaudhuri et al. 2002); (ii) astrobleme impact (Krishna Brahmam and Dutt 1992); |  | | Journal (article/letter/editorial) | | contain inclusions of enstatite (up to 3 ram) and chromite (up to 1 ram). The smaller crystals of olivine...mineralogy of this xenolith is that of a phlogopite-chromite-harzburgite. The orthopyroxene-amphibole xenolith...content and M g / ( M g + S Fe 2 +). 108 l'lh" ~ 9 II, @ rq e ,o 9 COLOURLESS PX 9 [] GREEN PX ...the first being from the leucitites of Gaussberg, Antarctica (Sheraton and Cundari 1980), but these occurrences...Sheraton JW, Cundari A (1980) Leucitites from Gaussberg, Antarctica. Contrib Mineral Petrol 71:417427 Shibata |  | | Journal (article/letter/editorial) | | evidence for transitional kimberlite – orangeite (group II kimberlite) – lamproite rock type N. V. Chalapathi...similar to that of lamproites and orangeites (Group II kimberlite of southern Africa) and not that of a...constitute a transitional kimberlite–orangeite (Group II kimberlite)–lamproite rock. The existence of such...geochemistry and isotopic types (viz., Group I and II), as established for kimberlites in southern Africa...Panna area of central India) as orangeite (Group II kimberlite of South Africa). However, the latters’ |  | | Journal (article/letter/editorial) | | for the Ti-poor solid-solution series between chromite- and magnetite-rich spinels in the log fo2 range...from a natural lamproite volcanic rock (Gaussberg, Antarctica) has been analysed for 18 elements with...Zr v a r y as a function of temperature, fo2 or D~ii/tq. The range in D~/~q is, however, very restricted...193-218 II II 205 II II II II II II II II II II II II II II II II II II ~ ~ ~ o...~ ~_ ~~ o o II II II ~ II t¢3 II II e.q e~j II ,~ g II g,~N3N o Ng II II g ~NN exl |  | | Journal (article/letter/editorial) | | 41.20 10.62 41.64 7.74 SiO2 (wt %) TFeO Mg-chromite Ol-r Ol-r Ol-c Ol-c Ro01/1 Zb01/2 Sample:...Selected electron microprobe analyses of olivine, Mg-chromite, ilmenite, Ti-magnetite and alkali feldspar from...%) 2-core core 2-core 1-core gm 1-rim Ro01/-II Zb01/2 Sample: Table 4: Selected electron microprobe...20 3.82 0.08 9.84 10.80 7.04 46.68 1.63 Ro0/1-II L Rudnik 3.00 0.55 0.68 4.88 6.29 1.58 9.05...33 486 695 99.66 0.70 11.19 0.57 6.77 Ro0/1-II L 191 826 16 79 17 131 33 427 837 100.06 |  | | Journal (article/letter/editorial) | | barite. The matrix contains xenocrystic Mg-Al chromite (55 wt% Cr2O3) mantled by ilmenite (Ilm51Geik43Hem6)...as an MAT magnetite; gray spinel is a magnesian chromite with magnetite in solid solution (Table 1, Figs...Eifel, Germany (Edgar 1992), leucitites from Antarctica (Sheraton and Cundari 1980), alkali basalt from...olivines are overgrown by monticellite + layers of chromite, pleonaste, and titanomagnetite (O’Brien and Tyni...and Cundari, A. (1980) Leucitites from gaussberg, Antarctica. Contributions to Mineralogy and Petrology |  | | Journal (article/letter/editorial) | | with serpentine, and <2 mm wide spinel grains (chromite to magnetite), minor fluorapatite, phlogopite...phlogopite 50% ol mac þ phen (generally phlog, chromite–magnetite, calcite, phlog, Sr-apatite, calcite...diop: TiO2 1.52 wt %, Al2O3 0.94 wt %, spinel-chromite xenocrysts Na2O 1.37 wt %, aeschynite–(Ce),... san, Sr–apatite, serp, serpentine–diopside chromite–magnetite, cpy serp, diop: TiO2 0.28–1.67 wt %... ultramafic dykes (MSDU) chromite-magnetite, Sr–apatite, spinel-chromite xenocrysts Macrocrystic <40% |
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