| GRD02JES0 |
Blueschist
|
Nice blueschist hand sample and thin section. Large sparrite vein in both. |
|
1 |
Ritter 154, 14 D |
| GRD02N5S0 |
Marble
|
Coarsely crystalline grey marble. With 2-5 mm layering of course and medium grained crystals |
California |
4 |
Ritter 154, 3 G |
| GRD02NFS0 |
Eclogite
|
Original description: Eclogite, Lawsonite locality (Tiburon Uplands Nature Preserve) 2 hand samples. |
California |
5 |
Ritter 154, 3 H |
| GRD02NLS0 |
Blueschist
|
Large sample of blue schist. Sample is fine-grained. |
California |
0 |
Camp Elliott |
| GRD02NVS0 |
Blueschist
|
Garnet bearing blueschist with stringers of green minerals. Original label: From a knocker. Garnet, pumpellyite, phueugite? |
California |
4 |
Ritter 154, 3 G |
| GRD02O0S0 |
Impure Marble
|
Small sample of marble. Portions of marble are white, brown, and green. Original label: Marble. Schist pendant. |
California |
0 |
Camp Elliott |
| GRD02O3S0 |
Quartzite
|
Two slabs slightly bedded quartzite. |
California |
3 |
Ritter 154, 14 L |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| GRD02PHS0 |
Quartzite
|
Two large samples of kyanite-bearing quartzite. |
California |
2 |
Ritter 154, 3 H |
| GRD02Q1S0 |
Mafic
|
Two very dark and dense samples. Mostly olivine and pyroxene. Epidote? Garnets in one sample. |
California |
2 |
Ritter 154, 14 H |
| 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 |
| GRD02S3S0 |
Serpentinite
|
Talc vein around 1 inch thick with wall rock attached(serpentinite). Occasional sulfide blebs |
California |
0 |
Ritter 154, 14 M |
| GRD02S4S0 |
Serpentinite
|
Coast Range Ophiolite, Cross-fracture serpentinized, bastite and opx. Black serpentine. |
California |
0 |
Ritter 154, 24 G |
| GRD02S6S0 |
Serpentinite
|
Bastite ops visible.Red hue throughout, black serpentine, Red could be cinnabar which is mined in this region. Coast range ophiolite. |
California |
0 |
Ritter 154, 24 G |
| GRD02S7S0 |
Serpentinite
|
Rich in magnetite, multiple shear directions with silken fibers. |
California |
0 |
Ritter 154, 14 M |
| GRD02S8S0 |
Serpentinite
|
Cross fracture serpentinized peridotite. Black serpentine. Coast Range ophiolite. |
California |
0 |
Ritter 154, 14 M |
| GRD02S9S0 |
Calcsilicate (Skarn)
|
Magnesium silicate skarn along a fault-controlled contact of syenite to quartz monzonite. Part of Vulcan mine-Burro Prospect. |
California |
0 |
Ritter 154, 14 K |
| GRD02S9S1 |
Calcsilicate (Skarn)
|
Magnesium silicate skarn along a fault-controlled contact of syenite to quartz monzonite. Part of Vulcan mine-Burro Prospect. |
California |
0 |
Ritter 154, 24 M |
| GRD02SES0 |
Quartzite
|
Medicine Peak Quartzite. PE quartzite with some preserved crossbedding, kyanite bearing in places. |
Rt 130 near Mirror Lake in Snowy Range |
0 |
Ritter 154, 24 F |
