| GRD040GS0 |
Gneiss
|
Granitic Gneiss. Foliated. K-spar dominant. |
Colorado |
0 |
Ritter 154, 29 J |
| GRD040KS0 |
Gneiss
|
Sillimanite gneiss |
Colorado |
0 |
Ritter 154, 29 J |
| GRD040NS0 |
Non-layered Gneiss
|
Cordierite-Garnet-Gedrite Gneiss. Two samples. |
Colorado |
0 |
Ritter 154, 29 J |
| GRD040QS0 |
Gneiss
|
Cordierite-Garnet-Sillimanite Gneiss |
Colorado |
0 |
Ritter 154, 29 J |
| GRD041IS0 |
Schist
|
Tourmaline-Quartz-Microcline Schist. Produced through wallrock interaction with Tip Top Pegmatite |
South Dakota |
0 |
Ritter 154, 14 D |
| GRD041JS0 |
Migmatitic Gneiss
|
Quartz vein injected into Gneiss ( a rock, banded with alternating layers) showing rolls. Carries Chalcopyrite-Pyrite. |
California |
0 |
Ritter 154, 14 P |
| GRD043CS0 |
Gneiss
|
|
South Africa |
0 |
Ritter 154, 14 B |
| GRD043HS0 |
Layered Gneiss
|
Quartz-Plagioclase-Kspar-Biotite-Garnet Gneiss |
New York |
0 |
Ritter 154, 14 B |
| GRD043IS0 |
Schist
|
Red Creek Quartzite-Mica Schist |
Utah |
1 |
Ritter 154, 14 L |
| GRD045YS0 |
Mylonite
|
Shear zone mylonite |
California |
2 |
Ritter 154, 14 O |
| GRD045ZS0 |
Foliated
|
|
California |
2 |
Ritter 154, 14 O |
| GRD0461S0 |
Gneiss
|
Possibly Orocopia Schist. Amphibolite gneiss/Cataclasite(?) |
California |
2 |
Ritter 154, 14 G |
| GRD0463S0 |
Schist
|
Julian Schist |
California |
1 |
Ritter 154, 24 C |
| GRD046DS0 |
Schist
|
Biotite Mica Schist. Protolith could be similar to MB-1. |
Nepal |
1 |
Ritter 154, 14 C |
| GRD046ES0 |
And-bearing Schist
|
Stevens Pass- 1 |
Washington |
1 |
Ritter 154, 14 D |
| GRD046GS0 |
Schist
|
An incipient schistosity has developed across original sedimentary layering |
South Dakota |
1 |
Ritter 154, 14 O |
| GRD047HS0 |
Amphibole Schist
|
Schist with green amphibole, ep pods of possible quartz. Prehnite veins. |
Philippines |
1 |
Ritter 154, 28 F |
| GRD047ZS0 |
Foliated
|
Mafic or ultramafic protolith.Green spinels, very rich in colorless amphibole, not much olivine. |
Philippines |
1 |
Ritter 154, 28 F |
| GRD0483S0 |
Mylonite
|
Very sheared, close to mylonite. |
Philippines |
1 |
Ritter 154, 28 H |
| GRD0499S0 |
Amphibole Schist
|
Well foliated amphibole schist. Close to gneiss. |
Philippines |
1 |
Ritter 154, 28 F |
| GRD049GS0 |
Gneiss
|
|
Philippines |
1 |
Camp Elliott |
| GRD049PS0 |
Schist
|
Zoisite and treomolite. Very minor sulfides, chalcopyrite. |
Philippines |
1 |
Ritter 154, 28 F |
| GRD049RS0 |
Schist
|
|
Philippines |
1 |
Ritter 154, 28 F |
| GRD049US0 |
Schist
|
|
Philippines |
1 |
|
| GRD049YS0 |
Mylonite
|
Proto-mylonite. Some epidote stringers. |
Philippines |
1 |
Ritter 154, 28 E |
| GRD04BCS0 |
Mylonite
|
Proto-mylonite carbonate |
Philippines |
0 |
Ritter 154, 28 E |
| GRD04BTS0 |
Mylonite
|
Likely lithic sand protolith, with carbonate lenses |
Philippines |
0 |
Ritter 154, 28 E |
| GRD04BWS0 |
Mylonite
|
Reddish quartz rich proto-mylonite(?) |
Philippines |
0 |
Ritter 154, 28 E |
| GRD04CJS0 |
Schist
|
Actinolite tremolite schist |
Philippines |
0 |
Ritter 154, 28 F |
| GRD04CLS0 |
Mylonite
|
|
Philippines |
0 |
Ritter 154, 28 E |
