| GRD02X0S0 |
Layered Gneiss
|
Banded Gneiss. Biotite - Quartz - Plag |
California |
4 |
Ritter 154, 14 A |
| GRD02X1S0 |
Layered Gneiss
|
Unknown location of origin and age. |
California |
0 |
Ritter 154, 24 B |
| GRD02XFS0 |
Non-layered Gneiss
|
Qf gneiss interlayered with marble. East side of batholith |
California |
0 |
Camp Elliott |
| GRD02XMS0 |
Layered Gneiss
|
Quartz-Amphibole and Calcite-Epidote(?) bands(~1cm thick) interlayered. Unable to find further location details through web searches. |
La Costa Verde Quarry |
0 |
Ritter 154, 14 B |
| GRD02Y9S0 |
Gneiss
|
Plagioclase, Kspar, Biotite Gneiss with small Garnet porphyroblast. Original label : Granitic Flaser Gneiss - Blastomylonite |
California |
0 |
Ritter 154, 24 B |
| 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 |
| 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 |
| GRD0461S0 |
Gneiss
|
Possibly Orocopia Schist. Amphibolite gneiss/Cataclasite(?) |
California |
2 |
Ritter 154, 14 G |
| GRD049GS0 |
Gneiss
|
|
Philippines |
1 |
Camp Elliott |
