GRD02O4S0 |
Quartzite
|
Two very different samples. One is a dark fine-grained marble. The other is a light fine-grained marble. Original description: Marble. Schist pendant. |
California |
1 |
Camp Elliott |
GRD02O5S0 |
Quartzite
|
Fine-grained quartzite. Original description: Siliceous schist. Schist pendant. |
California |
2 |
Camp Elliott |
GRD02O6S0 |
Granodiorite
|
Medium-grained granodiorite. Orthoclase-quartz-amphibole-biotite |
California |
2 |
Ritter 154, 15 N |
GRD02O7S0 |
Calcsilicate (Skarn)
|
Banded hornfels. The lighter layers appear to be more siliceous. |
California |
0 |
Camp Elliott |
GRD02O8S0 |
Blueschist
|
Blueschist with thin white carbonate veins cross-cutting the foliation. Some green mineralization on surface. Portion of a cobble. |
California |
4 |
Ritter 154, 3 G |
GRD02O9S0 |
Diorite
|
Original description: Hornblende diorite. 3/4 thin sections |
California |
4 |
Ritter 154, 3 E |
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 |
GRD02OCS0 |
Welded Ignimbrite
|
Bishop Tuff. Dark brown fiamme mantled by black rims with rounded quartz crystals in pink groundmass. Quartz and garnet-rich xenolith. |
California |
2 |
Ritter 154, 3 E |
GRD02ODS0 |
Welded Ignimbrite
|
Bishop Tuff. Dark brown fiamme mantled by black rims with rounded quartz crystals in pink groundmass. Hypocrystalline. |
California |
5 |
Ritter 154, 3 F |
GRD02OES0 |
Diorite
|
Plagioclase-biotite-quartz-oxide diorite. Missing TS box |
California |
4 |
Ritter 154, 15 P |
GRD02OFS0 |
Granodiorite
|
Coarse-grained Granodiorite containing Plagioclase, K-spar, Quartz, Hornblende, Biotite, trace Sphene and other Opaques. Original Description (Eichler?): El Capitan Granite. Pale, coarse-grained granite. |
California |
4 |
Ritter 154, 3 F |
GRD02OGS0 |
Granodiorite
|
Medium grain light colored granite with Biotite (2-3 mm), Plagioclase (1-10 mm), Quartz (1-3 mm), K-spar (1-10 mm). Color Index: 5. Original Description: Two samples (one is a cut slab) of light colored, coarse-grained granite. |
California |
0 |
Ritter 154, 3 E |
GRD02OGS1 |
Granodiorite
|
Medium grain light colored granite with Biotite (2-3 mm), Plagioclase (1-10 mm), Quartz (1-3 mm), K-spar (1-10 mm). Color Index: 5. Original Description: Two samples (one is a cut slab) of light colored, coarse-grained granite. Thin sections with S0 sample. |
California |
0 |
Ritter 154, 15 I |
GRD02OHS0 |
Diorite
|
One cut slab of fine-grained diorite |
California |
4 |
Ritter 154, 15 P |
GRD02OIS0 |
Quartzite
|
Very small sample of fine-grained gray and Fe-stained quartzite. |
California |
3 |
Ritter 154, 14 L |
GRD02OJS0 |
Quartzite
|
Very small sample of fine-grained gray and Fe-stained quartzite. Faint laminations. |
California |
3 |
Ritter 154, 14 L |
GRD02OKS0 |
Gabbro
|
Large sample of hornblende gabbro. Original label: From blasted outcrop in road. |
California |
2 |
Ritter 154, 16 D |
GRD02OLS0 |
Gabbro
|
Two samples of anorthositic gabbro. Exsolution of pyroxenes in thin section. |
California |
3 |
Ritter 154, 16 F |
GRD02OMS0 |
Serpentinite
|
Small green sample of serpentinite with carbonate veins. Pillow margin. Franciscan. |
California |
3 |
Ritter 154, 14 M |
GRD02ONS0 |
Serpentinite
|
Small green sample of serpentinite with carbonate veins. Pillow margin. Franciscan. |
California |
3 |
Ritter 154, 14 M |
GRD02OOS0 |
Greywacke
|
Very small grey sample of fine- to medium-grained greywacke. Franciscan. |
California |
3 |
Camp Elliott |
GRD02OPS0 |
Greywacke
|
Small grey sample of fine- to medium-grained greywacke. Franciscan. |
California |
0 |
Camp Elliott |
GRD02OQS0 |
Non-layered Gneiss
|
Foliated sample with large clasts of feldspar and hornblende. Mica-poor. Original label: Meta-tuff? Stage 1. |
California |
3 |
Ritter 154, 14 A |
GRD02ORS0 |
Schist
|
Schist with large clasts of feldspar. Feldspar-quartz-biotite. Original label: Meta-tuff? Stage 2. |
California |
3 |
Ritter 154, 14 D |
GRD02OSS0 |
Quartzofeldspathic
|
Small sample of fine-grained gneiss. Thin, poorly developed bands in gniess. Feldspar-quartz-biotite. Original label: Meta-tuff? Stage 3. |
California |
3 |
Ritter 154, 24 A |
GRD02OTS0 |
Calcsilicate (Skarn)
|
Very small, very fine-grained sample. Original label: Meta-tuff? - Hornfels?. |
California |
3 |
Camp Elliott |
GRD02OUS0 |
Quartzofeldspathic
|
Two small, dark, very fine-grained samples. Original label: Meta-tuff? - Hornfels?. |
California |
3 |
Camp Elliott |
GRD02OVS0 |
Granite
|
Small sample of fine to medium-grained pink granite. Original label: Granitic aplite dikes intrusive into meta-tuffs Calif 1039-1041. |
California |
1 |
Camp Elliott |
GRD02OWS0 |
Diorite
|
Large sample of quartz-rich diorite. Quartz-hornblende-biotite. Original label: Quartz diorite. |
California |
3 |
Ritter 154, 15 P |