 | | Journal (article/letter/editorial) | | augite, bronzitc, t ~5Loyne, Borolan, magnesio-arfvedsonite, 317. Mingulay, Outer Hebrides, doleritc, 427...Chkalovsk obl., Urals, omphacite, 61. Khibina, Kola, arfvedsonite, 317. Kola peninsula, alkaline and ultramafic...desert, clinochrysotile, chromite, 394. Nigeria Arfvedsonite, 317. Bokkos, Jos, albite, anorthoclase, sanidine...gersdorffite, 26. Malawi Namangali, magnesio-arfvedsonite, 317. Tanzania Magnesiorieheckite, 317; alkali...61. Lulu Kop, Palabora, Transvaal, magnesio-arfvedsonite, 317. Roberts-Victor mine, Bashof district, |  | | Journal (article/letter/editorial) | | from, 815. Anorthoclase, Nigeria, opt., 37o. Antarctica, olivine, 238. Anthophyllite, conditions for...aluminian, India, anal., opt., cryst., 288. Arfvedsonite, Ascension Is., Greenland, Nigeria, Kola, India...composition, 317; and see Juddite, Magnesio-arfvedsonite. Arkansas, orthoclase, anal., d2o T, 489. Arsenolamprite...Kanto Mts., Japan, omphacite, 61. Ascension Id., arfvedsonite, 317. Ashcroftine, Greenland, anal., X-ray,...of augite on bronzite, Scotland, H5. Erebus, Antarctica, albite, anal., d2o i, 489. Exsolution during |  | | Journal (article/letter/editorial) | | eā, āpotassic-magnesio-arfvedsoniteā, āpotassic-fluoro-magnesio-arfvedsoniteā and āpotassickorniteā....eā, āpotassic-magnĆ©sio-arfvedsoniteā, āpotassic-fluoro-magnĆ©sio-arfvedsoniteā et āpotassickorniteā. Dans...sample composition approaches the āmagnesio-arfvedsoniteā eckermanniteā boundary [VIAl ā Fe3+] at its...definitively named as potassicfluoro-magnesio-arfvedsonite. Although the assignment of a species name is...as a questionable species. The mineral, from Antarctica, had been described by Matsubara & Motoyoshi |  | | Report (issue) | | Quartz, aegirine, arfvedsonite, aenigmatite (Ascension Island); sanidine, arfvedsonite, quartz, aegirine...the Straumsvola complex, Dronning Maud Land, Antarctica. From the Murun massif, southwest of Olekminsk |  | | Journal (article/letter/editorial) | | 624Ā±3 Ma has been obtained by Ar/Ar dating of arfvedsonite containing 1.7 wt.% K2O (Ripp et al. 2005)....fenitized country rock, containing aegirine, arfvedsonite, albite, biotite and K feldspar with accessory...replaced along cracks and at grain edges by arfvedsonite, biotite and magnetite. The amount of aegirine...58 1.01 98.34 10 0.47 0.42 (F+OH)=1 for Mg-arfvedsonite; on 2.000 2.000 7.676 7.828 0.005 0.004 0.105...Na2O K2O F Total 99.08 97.99 4 9 3 1 2 Mg-arfvedsonite Aegirine Table 2 Chemical composition of pyroxene |  | | Journal (article/letter/editorial) | | The rock types of the Amis intrusion include arfvedsonite- and aegirine-bearing granitoids, which show...proportions of arfvedsoniteāaegirineāastrophyllite granite, arfvedsoniteā aegirine granite, arfvedsonite granite...quartzāhematite intergrowths that replace the arfvedsonite. Watkins et al. (1994) reported a range of KāAr...Carbonatite dyke Maļ¬c dyke Pyrite Biotite Magnesio-arfvedsonite Biotite in stringer zone 40 133.0 Ā± 0.8 132...Brandberg alkaline complex The banded (or layered) arfvedsonite aegirine granite is of economic importance because |  | LeMasurier, Wesley E., Futa, Kiyoto, Hole, Malcolm, Kawachi, Yosuke (2003) Polybaric Evolution of Phonolite, Trachyte, and Rhyolite Volcanoes in Eastern Marie Byrd Land, Antarctica: Controls on Peralkalinity and Silica Saturation. International Geology Review, 45 (12) 1055-1099 doi:10.2747/0020-6814.45.12.1055 | Journal (article/letter/editorial) | | Rhyolite Volcanoes in Eastern Marie Byrd Land, Antarctica: Controls on Peralkalinity and Silica Saturation...Rhyolite Volcanoes in Eastern Marie Byrd Land, Antarctica: Controls on Peralkalinity and Silica Saturation...Rhyolite Volcanoes in Eastern Marie Byrd Land, Antarctica: Controls on Peralkalinity and Silica Saturation...and two diagrams FIG. 1. Index map of West Antarctica and Marie Byrd Land, showing the West Antarctic...University] at 04:57 17 June 2016 VOLCANOES IN ANTARCTICA 1057 Downloaded by [La Trobe University] at |  | | 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...Antigorite Apatite Aphrosiderite Apophyllite Arfvedsonite Arsenopyrite Atacamite Augite Azurite Barkevikite...petrography. II. Rocks from Ingrid Christensens Land, Antarctica. Sci. Res. Norwegian Antarctic Exped'. 1927-1928 |  | | Journal (article/letter/editorial) | | CaCO3 (rhomb.) Shakh-Tau, Sterlitamak 6 Arfvedsonite Na3(Fe2+, Mg)4 Fe3+Si8O22(OH)2 Tulāok River...(3) Aquamarine (2) Amazonite (3) Apatite (*) Arfvedsonite (7) Galena (2) Calcite (2) Cassiterite (3) Quartz...Chrysoberyl (3) Aragonite (3) Augite (6) Apatite (2) Arfvedsonite (2) Halite (7) Fluorite (2) Biotite (4) Dolomite...lower than the calculated ones (for example, arfvedsonite is in calculated group 7 but in experimental...Carpenter, R., 2014. New views of plant fossils from Antarctica: a comparison of X-ray and neutron imaging techniques |  | | Journal (article/letter/editorial) | | 9 (KāAr phengite) 335 Ā± 2, 332 Ā± 4 Ma (ArāAr arfvedsonite) Eclogite metamorphism ā subduction na Blueschist...PM /km 4 K-Ar and Ar-Ar white mica Ar-Ar arfvedsonite PM GR FoMC FoMC km ĖC/ 12 10 K-Ar hornblende...andesite comprising jadeite-rich aegirine with arfvedsonite is also located in serpentinite mĆ©lange at Woodsreef...Macquarie (Och et al., 2010). Finally, 40Ar/39Ar arfvedsonite ages of 335 Ā± 2 Ma and 332 Ā± 4 Ma are suggested...(2011) 800ā811 west-dipping polarity models for Antarctica (Ricci et al., 1997; Ferraccioli et al., 2002) |  | | Journal (article/letter/editorial) | | displays mineral-grading with a lower black (arfvedsonite, aegirine), an intermediate red (eudialyte)...~iarfik ooogd 0 f r~ 1 2 Agpaltlc dykes Black Arfvedsonite Lujavrlte Green Aeglrine Luiavrite l-~ Naujalte...of alkali feldspar (white), eudialyte (grey), arfvedsonite and aegirine (black). B.L. Nielsen phot. The...poikilitically in large anhedra of microcline, aegirine, arfvedsonite and eudialyte (Fig. 4). Thus sodalite crystals...exceptionally 0.2-0.3 cm. Anhedra of aegirine and arfvedsonite may be 1 cm long, but are generally about 0 |  | | Journal (article/letter/editorial) | | displays mineral-grading with a lower black (arfvedsonite, aegirine), an intermediate red (eudialyte)...io%o dliorfik f r~ ā¢ Agpaitic dykes Black Arfvedsonite Lujavrite" ,~'~.Green "Aegirine Lujavrlte I-~...of alkali feldspar (white), eudialyte (grey), arfvedsonite and aegirine (black). B.L. Nielsen phot. The...poikilitically in large anhedra of microeline, aegirine, arfvedsonite and eudialyte (Fig. 4). Thus sodalite crystals...exceptionally 0.2-0.3 cm. Anhedra of aegirine and arfvedsonite may be 1 cm long, but are generally about 0 |  | Robinson, Peter, Solli, Arne, Engvik, Ane, Erambert, Muriel, Bingen, Bernard, Schiellerup, Henrik, Njange, Fernando (2008) Solid solution between potassic-obertiite and potassic-fluoro-magnesio-arfvedsonite in a silica-rich lamproite from northeastern Mozambique. European Journal of Mineralogy, 20 (6) 1011-1018 doi:10.1127/0935-1221/2008/0020-1874 | Journal (article/letter/editorial) | | potassic-fluoromagnesio-arfvedsonite. Zoning toward the rims increases the potassic-fluoro-magnesio-arfvedsonite component...potassic obertiite, potassic-fluoro-magnesio-arfvedsonite, brown to blue zoned amphibole, high-silica...lamproite is also known from Priestley Peak, Antarctica (Mitchell & Bergman, 1991) with an RbāSr whole...intermediate members of the magnesio-arfvedsonite ā arfvedsonite series (TroĢger et al., 1979)1. In plane-polarized...Na2 (Mg2 Fe3+) Si8 O22 O2 Potassic-magnesio-arfvedsonite Potassic-ferri-ungarettiite Total C(2Ti + R3+ |  | | 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...Antigorite Apatite Aphrosiderite Apophyllite Arfvedsonite Arsenopyrite Atacamite Augite Azurite Barkevikite |  | | Report (issue) | | magnetite, ilmenite, spinel, hedenbergite, arfvedsonite, amphiboles, almandine, tridymite, grunerite...Red Rock Ridge, Nevy Fjord, Palmer Peninsula, Antarctica. Name: After Faial (Fayal) Island in the Azores |  | | Journal (article/letter/editorial) | | Contents of volume 70 Spheroidal structures in arfvedsonite lujavrite, IlıĢmaussaq alkaline complex, South...Tonagh Island in the Archean Napier Complex, East Antarctica T. Tsunogae, Y. Osanai, M. Owada, T. Toyoshima |  | | Journal (article/letter/editorial) | | (mainly potassic-richterite together with potassic-arfvedsonite, magnesio-riebeckite, Ti-rich potassic-magnesioarfvedsonite...potassic-magnesioarfvedsonite, potassic-magnesio-arfvedsonite, katophorite and potassic-ferri-katophorite), Alpoor...potassic-richterite, potassic-arfvedsonite, magnesio-riebeckite, Ti-rich potassicmagnesio-arfvedsonite, potassic-magnesio-arfvedsonite...potassic-magnesio-arfvedsonite, katophorite, and potassic-ferrikatophorite. The majority are potassic-richterite...Kamber, B.S. (2002) Lamproites from Gaussberg, Antarctica: Possible transition zone melts of Archaean subducted |  | KrmĆÄek, LukĆ”Å”, CempĆrek, Jan, HavlĆn, AleÅ”, PÅichystal, AntonĆn, Houzar, Stanislav, KrmĆÄkovĆ”, Michaela, Gadas, Petr (2011) Mineralogy and petrogenesis of a BaāTiāZr-rich peralkaline dyke from Å ebkovice (Czech Republic): Recognition of the most lamproitic Variscan intrusion. Lithos, 121 (1) 74-86 doi:10.1016/j.lithos.2010.10.005 | Journal (article/letter/editorial) | | from potassic-richterite to potassic-magnesio-arfvedsonite, characterized by an increase of Na/K and a...potassic analogues of the richteriteāmagnesioāarfvedsonite series (Table 2; cf. Hawthorne and Oberti,...potassic-richterite rimmed by potassicmagnesio-arfvedsonite; the highest alkalinity is observed in matrix...contents (0.30ā0.35 apfu F). The potassic-magnesio-arfvedsonite features high amounts of CMg (3.41ā3.89 apfu)...ā 1.52 K-MgArf K-MgArf = potassic-magnesio-arfvedsonite; K-Rit = potassic-richerite. a Formula is calculated |  | | Journal (article/letter/editorial) | | Succession at Mount Sidley, Marie Byrd Land, Antarctica KURT S. PANTER1ā, PHILIP R. KYLE1 AND JOHN L...Committee Range, a 100km chain of volcanoes in west Antarctica (Fig. 1). The Marie Byrd Land volcanic province...volcanism that occurs along the Pacific margin of Antarctica from Ellsworth Land to the northern coast of... Fig. 1. Major volcanoes in Marie Byrd Land, Antarctica. ECR, Executive Committee Range. continental...amphiboles are arfvedsonite [classification of (Mogessie et al., 1990)]. Arfvedsonite is a product of |  | | Journal (article/letter/editorial) | | small exposure in Khmara Bay, Enderby Land, East Antarctica. Christy (1988), using transmission electron...suggested that ākoĢlbingiteā was an intergrowth of arfvedsonite and aenigmatite by noting that the density and...ākoĢlbingiteā are intermediate between those of arfvedsonite and aenigmatite. Ussing (1898) was able to examine...angle between the cleavages (66Āŗ vs. 56Āŗ for arfvedsonite) and a signiļ¬cant difference in axial ratio...% in terrestrial sapphirine, Vestfold Hills, Antarctica, Harley and Christy, 1995; and 1.60 2.30 wt.% |  | | Journal (article/letter/editorial) | | conspicuous (Fig. 6a, b). Alkali amphiboles (magnesio-arfvedsonite) are rarely present and occur as dark green...K-feldspar, nepheline, sodalite, aegirine, magnesio-arfvedsonite, scapolite, natrolite, cancrinite, eudialyte...amphibole analyses fall within the field of magnesio-arfvedsonite (figure not shown). XRD pattern also suggests...studied and that is interpreted as magnesio-arfvedsonite. These amphiboles replace aegirine grains. The...of amphibole of nepheline syenites Magnesio-arfvedsonite Sl No Sample 1 SL 8C 2 SL 8C 3 SL 8C 4 SL |  | | Journal (article/letter/editorial) | | nickeline, westerveldite, 77 Ilimaussaq, willemite, arfvedsonite, chkalovite, neptunite, natrolite, analcime...de la Rivibre Bleue, chromite, diopside, 391 ANTARCTICA Deception Island, basalt, volcanic ash, 217 |  | | Journal (article/letter/editorial) | | and S. Karup-MĆøller, Spheroidal structures in arfvedsonite lujavrite, IlıĢmaussaq alkaline complex, South...Tonagh Island in the Archean Napier Complex, East Antarctica . . . . . . . . . . . . . . . . . . . . . . |  | Kynicky, J., Chakhmouradian, A. R., Xu, C., Krmicek, L., Galiova, M. (2011) DISTRIBUTION AND EVOLUTION OF ZIRCONIUM MINERALIZATION IN PERALKALINE GRANITES AND ASSOCIATED PEGMATITES OF THE KHAN BOGD COMPLEX, SOUTHERN MONGOLIA. The Canadian Mineralogist, 49 (4) 947-965 doi:10.3749/canmin.49.4.947 | Journal (article/letter/editorial) | | microcline-phyric granite, peralkaline aegirineāarfvedsonite granite (main intrusive phase) and apliteāpegmatite...microcline, un granite hyperalcalin Ć aegyrineāarfvedsonite (la phase intrusive principale) et des veines...35 modal %), aegirine (up to 11 modal %) and arfvedsonite (up to 12 modal %). Accessory minerals are represented...and inclusions of quartz, aegirine and arfvedsonite. Arfvedsonite and aegirine, which is commonly observed...observed to replace the arfvedsonite, show oscillatory-type growth zonation. Quartz occurs interstitially |  | Chakrabarty, A., Mitchell, R. H., Ren, M., Saha, P. K., Pal, S., Pruseth, K. L., Sen, A. K. (2016) Magmatic, hydrothermal and subsolidus evolution of the agpaitic nepheline syenites of the Sushina Hill Complex, India: implications for the metamorphism of peralkaline syenites. Mineralogical Magazine, 80 (7) 1161-1193 doi:10.1180/minmag.2016.080.057 | Journal (article/letter/editorial) | | Peralkaline syenites and granites (e.g. Straumsvola, Antarctica; Ascension Island; Strange Lake, Canada) are...(ā¼10ā15 modal%), aegirine (ā¼8ā10 modal%) and arfvedsonite (<1 modal%). The gneiss is characterized by... 2a) and rarely within late-formed magnesio-arfvedsonite. The core of the zoned clinopyroxene is essentially...nepheline syenite) grennaite (Ae81Jd18) and (arfvedsonite nepheline syenite) lakarpite (Ae78Jd11) of the...Table 5), and classified as manganoan magnesio-arfvedsonite. They contain inclusions of Cpx-I and are marginally-altered |
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