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Sample Type is Igneous › Undersaturated › Micaceous Extrusive

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IGSN Sample Type Notes Location Number Thin Sections Storage Location
GRD003HS0 Micaceous Extrusive Eclogite inclusions from kimberlite, TSB only Arizona 0 Ritter 154, 20 I
GRD003IS0 Micaceous Extrusive 0 Ritter 154, 16 M
GRD003RS0 Micaceous Extrusive Altered sandstone inclusion from kimberlite 0 Ritter 154, 16 M
GRD00B5S0 Micaceous Extrusive Emplaced between 54 to 50 Ma. Original description: Rec Bi-Di phonolite? nice Bi,(identify 2 mafics). Montana 0 Ritter 154, 16 N
GRD00B8S0 Micaceous Extrusive Phlogopite, olivine? bearing phonolite. Emplaced between 54 to 50 Ma. Original description: Ultramafic?? with serp. olivine. Montana 0 Ritter 154, 16 N
GRD00DIS0 Micaceous Extrusive Original description: Blue ground - mica bearing basalt. South Africa 0 Ritter 154, 16 O
GRD00HUS0 Micaceous Extrusive thin section billet and mica separate from Ol-Plag-mica kimberlite Norway 0 Ritter 154, 16 O
GRD02J7S0 Micaceous Extrusive kimberlite (Mclean kimberlite is an aphanitic spinel monticellite calcite kimberlite characterized by scarcity of megacrysts, xenoliths and phenocrysts) Canada 0 Ritter 154, 16 O
GRD02J8S0 Micaceous Extrusive kimberlite (Triple B kimberlite is an altered aphanitic kimberlite with abundant country rock clasts (limestone and argillite)) Canada 0 Ritter 154, 15 R
GRD02J8S1 Micaceous Extrusive kimberlite (Triple B kimberlite is an altered aphanitic kimberlite with abundant country rock clasts (limestone and argillite)) Canada 0 Ritter 154, 16 O
GRD02J9S0 Micaceous Extrusive kimberlite (Buffonta kimberlite consists of macrocrysts of olivine and phlogopite in a groundmass of olivine, phlogopite, calcite, perovskite, spinel, apatite and serpentine) Canada 0 Ritter 154, 16 O
GRD02JAS0 Micaceous Extrusive kimberlite (Buffonta kimberlite consists of macrocrysts of olivine and phlogopite in a groundmass of olivine, phlogopite, calcite, perovskite, spinel, apatite and serpentine) Canada 0 Ritter 154, 16 O
GRD0451S0 Micaceous Extrusive original description: biotite, orthoclase, nepheline, analcime (IUGS classification is minette). Arkansas 0 Ritter 154, 16 O
GRD0452S0 Micaceous Extrusive original description: lamproite, part of Prairie Creek Instrusion. serpentinized olivine, mica (phlogopite?) Arkansas 0 Ritter 154, 16 O
GRD0452S1 Micaceous Extrusive original description: lamproite, part of Prairie Creek Instrusion. serpentinized olivine, mica (phlogopite?) Arkansas 0 Ritter 154, 20 I