| GRD02EES0 |
Folds
|
Folded carbonate. Some layers are visible, one of which contains a small amount of mica. |
|
0 |
Ritter 154, 24 I |
| GRD02F2S0 |
Relict Textures
|
Non-foliated rock with concentric structure. Medium-grained plagioclase-quartz-chlorite-biotite (trace). |
California |
0 |
Ritter 154, 24 H |
| GRD02NXS0 |
Lineation
|
Calaveras fm. Small grey sample of streched pebble conglomerate. Original label: Pebble phyllite - stretched pebbles. Fall Field trip 1981 same site as Calif 644 |
California |
0 |
Ritter 154, 24 H |
| GRD02OAS0 |
Folds
|
Two very large pieces of folded, bedded sample of marble and quartzite. The more granular beds are marble whereas the darker, more finely-grained beds are quartzite. Original description: Marble. |
California |
2 |
Ritter 154, 24 I |
| GRD02OBS0 |
Folds
|
No hand sample. Thin section only. Original description: Blastomylonite - fault zone material showing effects of extreme cataclasis and recrystallization. Note the layering showing different extents of granulation. |
California |
1 |
Ritter 154, 29 A |
| GRD02P5S0 |
Relict Textures
|
Small samples of stretched pebble conglomerate. Original label: Meta-tuff? Calif 1084-1086 are concordant with this forming a screen of metamorphic rocks SE of Muir Pass. |
California |
2 |
Ritter 154, 14 O |
| GRD02TAS0 |
Porphyroblasts
|
Staurolite-Garnet Schist. Large Staurolite porphyroblasts(1-2 cm) with garnets(~1 mm), micaceous. Unknown origin. |
|
0 |
Ritter 154, 14 O |
| GRD02UNS0 |
Folds
|
Orocopia Schist. Greenschist layered black and green. Isoclinal folds(?). |
California |
2 |
Ritter 154, 14 P |
| GRD042YS0 |
Metamorphic Structures
|
mylonite, two samples |
|
0 |
Ritter 154, 14 O |
