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Sample Type is Igneous › Plutonic › Mafic Intrusive › Gabbro

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IGSN Sample Type Notes Location Number Thin Sections Storage Location
GRD0027S0 Gabbro Thin section only, in Thin Section only case in RH 154. 1 Ritter 154
GRD002MS0 Gabbro Original description: gabbro troctolite. Oklahoma 0 Ritter 154, 16 C
GRD002ZS0 Gabbro Original description: Anorthositic gabbro, very altered. California 0 Ritter 154, 16 C
GRD0030S0 Gabbro Alps 0 Ritter 154, 16 C
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
GRD008BS0 Gabbro Original label: Porphyritic albite dolerite from layered Hb-bearing picrite-anorthositic gabbro suite. Nevada 0 Ritter 154, 20 B
GRD008NS0 Gabbro Hess p 52-55, Jackson p 2, Basal Chilled Contact. Montana 1 Ritter 154, 16 C
GRD008TS0 Gabbro Biotite, CPX, OPX Pegmatite, small sample: See Jackson P. 8. Montana 0 Ritter 154, 16 C
GRD008YS0 Gabbro Pyroxene-rich Hess p 75-81. Montana 1 Ritter 154, 16 C
GRD008ZS0 Gabbro (some sulfides), Hess p 70-81. Thin section cut thick. Montana 1 Ritter 154, 16 C
GRD0091S0 Gabbro Samples I-321 to I-337 from Stillwater Complex Montana 0 Ritter 154, 20 B
GRD00DQS0 Gabbro Medium-grained amphibole and plagioclase crystals. California 0 Ritter 154, 16 C
GRD00EAS0 Gabbro Hb-gabbro (probably part of the Bird River greenstone belt) Canada 0 Ritter 154, 16 C
GRD00EFS0 Gabbro Original description: Fine-grained olivine gabbro (from Port Coldwell alkaline complex). Canada 0 Ritter 154, 16 C
GRD00EHS0 Gabbro Original description: Gabbro (Bird River greenstone belt). Oversize piece in 16 R. Canada 0 Ritter 154, 16 C
GRD00EHS1 Gabbro Original description: Gabbro (Bird River greenstone belt). Another piece in 16 C. Canada 0 Ritter 154, 16 R
GRD00FOS0 Gabbro Polsihed slab. Feldspars are labradorite with bytownite intergrowths. Original description: Leucogabbro (bytownite-Px). Minnesota 0 Ritter 154, 16 F
GRD00FUS0 Gabbro Original description: Quartz gabbro (Aug-Plag-Q). California 0 Ritter 154, 16 C
GRD00FVS0 Gabbro Original description: Leucogabbro (Bytownite-Px). Minnesota 0 Ritter 154, 16 C
GRD00H3S0 Gabbro Original label: Hb gabbro. 0 Ritter 154, 16 C
GRD00HBS0 Gabbro Gabbro (Plag-CPX) 0 Ritter 154, 20 B
GRD00HVS0 Gabbro Original description: Hb gabbro. 0 Ritter 154, 20 B
GRD00IDS0 Gabbro gabbro (Pl-CPX) 0 Camp Elliott