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Sample Type is Igneous › Volcanic › Mafic Extrusive

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IGSN Sample Type Notes Location Number Thin Sections Storage Location
GRD044CS0 Basalt Plag-phyric basalt. Aokigahara flow (864 A.D.) Japan 0 Ritter 154, 29 G
GRD044DS0 Basalt vesicular, plag-phyric basalt. Koy Yakemagahara flow, main body, middle age basalts. Japan 0 Ritter 154, 29 G
GRD044ES0 Basalt vesicular, plag-phyric (minor px) basalt. Otawa lava flow, main body, middle age basalts (part of Fujinomiya stage, 15-6 ka) Japan 0 Ritter 154, 29 G
GRD044FS0 Basalt sparsely plag-phyric basalt, Oniwa second lava flow (map unit Sd-Onw2) Japan 0 Ritter 154, 29 G
GRD044GS0 Basalt vesicular sparsely plag-phyric basalt, Oniwa first lava flow (map unit Sd-Onw1) Japan 0 Ritter 154, 29 G
GRD044HS0 Basalt scoriaceous basalt, MPV flow Japan 0 Ritter 154, 29 G
GRD044IS0 Basalt Px (minor plag) phyric basalt, Hachiken flow (map unit Sc-Hac) Japan 0 Ritter 154, 29 G
GRD044JS0 Basalt aphyric basalt, Nim-Nishimarubi flow (map unit Sb-Nam) Japan 0 Ritter 154, 29 G
GRD044KS0 Basalt vesicular aphyric basalt, NW9 flow (probably map unit Sb-Hon) Japan 0 Ritter 154, 29 G
GRD044LS0 Basalt Px-phyric basalt, MPV flow near cinder cone Japan 0 Ritter 154, 29 G
GRD044MS0 Basalt very sparsely plag-phyric basalt, Ohiragawa-Sajiklyama flow (map unit Sc-Oshj) Japan 0 Ritter 154, 29 G
GRD044NS0 Basalt plag-phyric, vesicular basalt, Komitake flow (pre-Fuji, map unit Kom) Japan 0 Ritter 154, 29 G
GRD044OS0 Basalt vesicular, Px-phyric basalt, Kenmarubi second flow (map unit Sd-Ken2) Japan 0 Ritter 154, 29 G
GRD044PS0 Basalt vesicular, Plag-phyric basalt, Kenmarubi first flow (map unit Sd-Ken1) Japan 0 Ritter 154, 29 G
GRD044QS0 Basalt sparsely Plag-phyric basalt, OLF dense basalt flow, Ko Fuji volcano Japan 0 Ritter 154, 29 G
GRD044RS0 Basalt scoriaceous, Plag-phyric basalt, Hir Hiratsuka lava flow (map unit Sb-Hir) Japan 0 Ritter 154, 29 G
GRD044SS0 Basalt vesicular, plag-phyric basalt, Kan Kansuyama lava flow (map unit Sd-Kan) Japan 0 Ritter 154, 29 G
GRD045TS0 Ankaramite Vesicular ankaramite. Modes: 10 pyroxene, 5 olivine. Samoa 0 Ritter 154, 16 J
GRD045TS1 Ankaramite Vesicular ankaramite. Modes: 10 pyroxene, 5 olivine. Samoa 0 Ritter 154, 16 J
GRD045TS2 Ankaramite Vesicular ankaramite. Modes: 10 pyroxene, 5 olivine. Samoa 0 Ritter 154, 16 J
GRD0465S0 Basalt Yakima Basalt. Late Miocene-Early Pliocene Washington 2 Ritter 154, 3 F
GRD046IS0 Basalt Yakima Basalt Washington 2 Ritter 154, 16 H
GRD046QS0 Mafic Extrusive Quartz Diabase. Hypidiomorphic, subophitic pyroxene, med grain-fine grain interstitial quartz, granophyre and pyroxene. Twinned plagioclase. New Jersey 4 Ritter 154, 16 G
GRD047DS0 Basalt Quartz and epidote veins. Philippines 1 Camp Elliott
GRD047ES0 Basalt Fine grained crystallites of plagioclase, radiating needles. Red vein through center with some colorless mineral included and associated opaques. Poorly formed tiny ep. opaque rich and opaque poor banding perpendicular and inclined to red vein. Philippines 1 Ritter 154, 28 G
GRD047FS0 Basalt Altered basalt. Plagioclase, very highly altered in random and radiating lathes 1-2mm long. Remnants of birefringent something, probably olivine, cpx, serp present. Opaques, blocky, (mt) sericite is all that is left of most plag. Philippines 1 Camp Elliott
GRD047JS0 Basalt Pale green amphibole in subophitic relation to plagioclase lattices. A vein of ep Philippines 1 Camp Elliott
GRD047LS0 Basalt Some amphibole. Philippines 0 Camp Elliott
GRD047XS0 Basalt Philippines 1 Camp Elliott
GRD048ES0 Basalt Diabasic texture. Talc- carb veins. Philippines 0 Camp Elliott