Search Results

Sample Type is Metamorphic › Granoblastic › Greenschist

22 records | Download
IGSN Sample Type Notes Location Number Thin Sections Storage Location
GRD003XS0 Greenschist Green with calcite veins. No foliation. Original description: Altered Basalt. California 0 Ritter 154, 24 C
GRD01W2S0 Greenschist Medium-sized sample of talc-actinolite-tremolite schist. Green fibrous/foliated sample with very nice actinolite crystals. 0 Ritter 154, 14 C
GRD01WSS0 Greenschist Medium-sized sample of chlorite-chloritoid-pyrite schist. Fine-grained green phyllosilicates. The small black crystals are chloritiod (hexagonal and perfect 1-directional cleavage). Trace amounts of small pyrite crystals (often associated with chloritoid). Poorly developed slaty cleavage. Original label: Chloritoid schist. Chloritiod?-chlorite?-amphibole?-pyrite. 0 Ritter 154, 14 D
GRD01XAS0 Greenschist Five small samples of chlorite-quartz-pyrite schist. Green mica (chlorite?) with occasional stringers and cubes of pyrite and stringers of quartz. Altered? 0 Ritter 154, 14 D
GRD01XGS0 Greenschist Medium-sized sample of chlorite-quartz-biotite schist. Slightly banded: some bands of quartz. Other bands of fine-grained chlorite. Still other bands of chlorite with biotite porphyroblasts. Original description: Q-Bi schist/gneiss. 1 Ritter 154, 14 D
GRD01XXS0 Greenschist Small sample of greenschist, composed of amphibole-quartz-chlorite-biotite-calcite/carbonate. Poorly foliated and medium- to coarse-grained. 1 Ritter 154, 14 C
GRD01YTS0 Greenschist Chlorite-cordierite-epidote, sphene-magnetite-quartz-biotite schist. Chlorite schist with magnetite porphyroblasts and uniaxial positive first order grey porphyroblasts (cordierite?). New Zealand 5 Ritter 154, 3 H
GRD024PS0 Greenschist Two small cut samples (measuring ~6x2.5x2cm each). Pale green-silvery, medium-grained schist. Billet. Original label: 28 November, 1980. Pacific Ocean 1 Ritter 154, 37 D
GRD02RBS0 Greenschist Orocopia Schist. Two green schist samples. Quartz-Muscovite-Chlorite-Staurolite-Cordierite(minor) 4 Ritter 154, 3 H
GRD02RGS0 Greenschist Sheared greenschist assemblage California 6 Ritter 154, 3 G
GRD02XES0 Greenschist Greenstone. Underlies volcanics California 0 Camp Elliott
GRD047PS0 Greenschist ep, chl, pl Philippines 1 Camp Elliott
GRD0487S0 Greenschist Pale green hornblende. Philippines 1 Ritter 154, 28 G
GRD048MS0 Greenschist Sheared. Philippines 1 Camp Elliott
GRD048NS0 Greenschist Heavily altered, volcanic protolith. Philippines 1 Camp Elliott
GRD0497S0 Greenschist Philippines 1 Camp Elliott
GRD04C9S0 Greenschist Philippines 0 Camp Elliott
GRD04CBS0 Greenschist Philippines 0 Camp Elliott
GRD04CCS0 Greenschist Philippines 0 Camp Elliott
GRD04CDS0 Greenschist Philippines 0 Camp Elliott
GRD04CYS0 Greenschist Very fine grained sample with garnet stringers. Philippines 1 Camp Elliott
GRD04CZS0 Greenschist Philippines 1 Camp Elliott