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Sample Type is Igneous › Plutonic

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IGSN Sample Type Notes Location Number Thin Sections Storage Location
GRD001XS0 Syenite California 1 Ritter 154, 15 C
GRD001YS0 Syenite Kspar, quartz, amphibole California 0 Ritter 154, 19 D
GRD0022S0 Granodiorite Large plagioclase, k-spar, and hornblende in hand sample California 1 Ritter 154, 15 O
GRD0024S0 Anorthosite Sample missing from drawer Norway 0 Ritter 154, 16 F
GRD0026S0 Gabbronorite Magnetic Gabbronorite containing Plag, Biotite, Cpx, Hbl, Opx, Chlorite, Magnetite. Original label: Peekskill Norite. Cortland Series. New York 2 Ritter 154, 3 F
GRD0027S0 Gabbro Thin section only, in Thin Section only case in RH 154. 1 Ritter 154
GRD0029S0 Granite Algeria 1 Ritter 154, 15 B
GRD002MS0 Gabbro Original description: gabbro troctolite. Oklahoma 0 Ritter 154, 16 C
GRD002WS0 Anorthosite Coarse-grained 0 Ritter 154, 16 F
GRD002XS0 Granite Na granite with magnetite ore New York 0 Ritter 154, 15 A
GRD002ZS0 Gabbro Original description: Anorthositic gabbro, very altered. California 0 Ritter 154, 16 C
GRD0030S0 Gabbro Alps 0 Ritter 154, 16 C
GRD0031S0 Granite Composed mostly of pink feldspar. Switzerland 0 Ritter 154, 15 A
GRD0035S0 Anorthosite alaskite cutting anorthosite California 0 Ritter 154, 20 D
GRD0036S0 Granodiorite Layered: Grandiorite-Diorite California 0 Ritter 154, 15 O
GRD004ES0 Felsic Intrusive Great Lake Dolerite Sheet Australia 1 Ritter 154, 29 B
GRD004FS0 Felsic Intrusive Great Lake Dolerite Sheet Australia 1 Ritter 154, 29 B
GRD004GS0 Felsic Intrusive Great Lake Dolerite Sheet, fine grained Australia 1 Ritter 154, 29 B
GRD004MS0 Felsic Intrusive Great Lake Dolerite Sheet Australia 2 Ritter 154, 29 B
GRD004PS0 Felsic Intrusive Great Lake Dolerite Sheet Australia 1 Ritter 154, 29 B
GRD004SS0 Felsic Intrusive Great Lake Dolerite Sheet, coarse grained Australia 1 Ritter 154, 29 B
GRD004TS0 Felsic Intrusive Great Lake Dolerite Sheet Australia 1 Ritter 154, 29 B
GRD006ZS0 Gabbro 1902 eruption of Sufriere. Originial classification: UM xenolith. Saint Vincent & the Grenadines 0 Ritter 154, 16 C
GRD0082S0 Gabbro Gabbro Inclusion. T cone E. Lake Oregon 0 Ritter 154, 20 B
GRD0085S0 Gabbro Original label: Hornblende gabbro from layered picrite-anorthositic gabbro suite. Nevada 0 Ritter 154, 20 B
GRD0086S0 Gabbro Original label: Foliated anorthositic gabbro from layered Hb-bearing picritic-anorthositic gabbro suite. Nevada 0 Ritter 154, 20 B
GRD0087S0 Gabbro Original label: Hb picrite from layered Hb-bearing picrite-anorthositic gabbro suite. Analyzed specimen. Nevada 0 Ritter 154, 20 B
GRD0088S0 Gabbro Original label: Hornblende Teschenite (ophitic texture with plag, augite olivine). From layered Hb-bearing picrite-anorthositic gabbro suite. Nevada 0 Ritter 154, 20 B
GRD0089S0 Gabbro Original label: Hb thomsonite teschenite (ophitic plag-augite olivine). From layered Hb-bearing picrite-anorthositic gabbro suite. Nevada 0 Ritter 154, 20 B
GRD008AS0 Gabbro Original label: Banded andesine-kaersutite diorite. From layered Hb-bearing picrite-anorthositic gabbro suite. Nevada 0 Ritter 154, 20 B