Reports ...B.A.N.Z.A.R. expedition committee and issued, 1937 - Antarctica |
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abundant Albite alkali feldspar alumina American Bay Anal analcite analysed rock Ankaramitic Basanite ankaramitic trachybasalts apatite Atlas Cove Aubert augite augite and olivine augite-trachyte average biotite calcic Cave Bay Hill chemical Christmas Bay composition constituents Corinthian Bay Craiglockhart Craiglockhart type crater Crozet Islands Diopside doreite Drygalski Dunsapie type feldspar microlites feldspathic trachybasalt ferromagnesian G. W. Tyrrell glass granules groundmass groundmass consisting Heard Island Heard Island rocks Herdsman hornblende Hornblende-trachyandesite Hypersthene ilmenite iron iron-ore Jan Mayen Kerguelen labradorite Lacroix large phenocrysts laths lavas limburgitic basalts magma magnetite matrix mineral moraine nepheline nil nil norms oceanic islands olivine olivine and augite olivine-basalts Olivine-trachybasalt Osann-Rosenbusch petrographical phenocrysts phenocrysts of olivine Philippi phonolite phonolitic trachyte plagioclase plagioclase-basalt Possession Island pyroxenes Quoted from G. W. rock types Rogers Head salic Scottish Carboniferous silica Sir Douglas Mawson small phenocrysts sodalite South Indian Ocean specimens spots thin section TiO2 titanaugite trachyandesite trachybasalt trachyte Wolff projection