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 |