| GRD02EHS0 |
Mylonite
|
Quartz-plagioclase-biotite schistose gneiss. Well-foliated and medium- to coarse-grained. |
California |
0 |
Ritter 154, 14 R |
| GRD02EIS0 |
Amphibole Schist
|
Actinolite-biotite-muscovite (trace) schist. Large, green sample. |
California |
0 |
Ritter 154, 24 M |
| GRD02EJS0 |
Migmatitic Gneiss
|
Original description: Migmatite granitic dike mixed with pelitic garnet-biotite schist. T35 R43. |
California |
0 |
Ritter 154, 24 B |
| GRD02EKS0 |
Non-layered Gneiss
|
Feldspar-quartz-biotite-amphibole (?) gneiss. Poorly developed banding; thin wisps of biotite. |
|
0 |
Ritter 154, 24 A |
| GRD02ELS0 |
Non-layered Gneiss
|
Quartz-biotite-garnet gneiss. Poorly developed banding; thin wisps of biotite. |
|
0 |
Ritter 154, 24 A |
| GRD02ENS0 |
Schist
|
Orocopia Schist. Muscovite-biotite-quartz-hornblende (?) schist. |
California |
0 |
Ritter 154, 24 M |
| GRD02EXS0 |
Non-layered Gneiss
|
Potassium feldspar-amphibole-biotite (?) gneiss. Poorly developed banding. See also M-157. |
|
0 |
Ritter 154, 24 B |
| GRD02EYS0 |
Non-layered Gneiss
|
Potassium feldspar-amphibole-biotite (?) gneiss. Poorly developed banding. See also M-158. |
|
0 |
Camp Elliott |
| GRD02F3S0 |
Non-layered Gneiss
|
Plagioclase-quartz-biotite-magnetite (trace) gneiss. Original description: Deformed granite. |
|
1 |
Ritter 154, 14 A |
| GRD02H8S0 |
Phyllite
|
Slab of dark grey phyllite. Some slight crenulations. |
California |
0 |
Camp Elliott |
| GRD02HAS0 |
Schist
|
Schistose chert. Large, green folded chert. Original label: Schist. S. Fork unit. |
California |
1 |
Camp Elliott |
| GRD02HBS0 |
Schist
|
Fine-grained quartz schist. Original label: Schist. S. Fork unit. |
California |
1 |
Camp Elliott |
| GRD02HSS0 |
Schist
|
Well-foliated layers; alternating bands of carbonate. Small sample. Billet. |
California |
0 |
Camp Elliott |
| GRD02JBS0 |
Non-layered Gneiss
|
gneiss (leucocratic granulite : pinkish white quartzofeldspathic gneiss; Q, perthite (Kspar) with minor accessory apatite, zircon, OPX, CPX, biotite, hornblende, oxides. Feldspars are altered to white mica and epidote resulting in the distinctive pink appearance. Originally granulite metamorphism subjected to later hydrothermal alteration) |
Virginia |
0 |
Ritter 154, 24 A |
| GRD02JBS1 |
Non-layered Gneiss
|
gneiss (leucocratic granulite : pinkish white quartzofeldspathic gneiss; Q, perthite (Kspar) with minor accessory apatite, zircon, OPX, CPX, biotite, hornblende, oxides. Feldspars are altered to white mica and epidote resulting in the distinctive pink appearance. Originally granulite metamorphism subjected to later hydrothermal alteration) |
Virginia |
0 |
Camp Elliott |
| GRD02N1S0 |
Phyllite
|
Phyllite with quartz lenses and occasional Fe-oxides. Original description: Fine-grained gneiss. |
|
0 |
Ritter 154, 14 E |
| GRD02N4S0 |
Layered Gneiss
|
Mylonitic gneiss with delta clasts. Lineations on bottom of the sample. Original description: Flaser gneiss interlayered with metasediments. |
California |
3 |
Ritter 154, 3 G |
| GRD02NES0 |
Ga-bearing Schist
|
Dark, foliated sample. Folded. Quartz-pyroxene- phyllosilicates-plagioclase-garnet-opaques. Original description: Metaseds. |
California |
1 |
Ritter 154, 24 H |
| GRD02NGS0 |
Non-layered Gneiss
|
Sample of biotite-orthocase-quartz-oxides augen gniess. Augen composed of orthoclase and quartz. Original description: Augen gneiss. Probably cataclasite. |
California |
0 |
Ritter 154, 24 B |
| GRD02NTS0 |
Non-layered Gneiss
|
Medium sized sample of a mica-poor gneiss. Large garnet crystals. Foliated amphibole. |
California |
0 |
Ritter 154, 24 B |
| GRD02NYS0 |
Phyllite
|
Small grey sample of a dense phyllite. Stretched pebbles/minerals? Original label: Metasediment. Schist pendant. |
California |
1 |
Ritter 154, 14 E |
| GRD02NZS0 |
Slate
|
Small sample of dark slate. Foliated. Original label: Metasediment. Schist pendant. |
California |
1 |
Ritter 154, 14 F |
| GRD02O1S0 |
Schist
|
Small sample of well foliated, mica-poor schist. Original label: Metavolcanic? Schist pendant. |
California |
1 |
Ritter 154, 24 C |
| GRD02O2S0 |
Slate
|
Very small sample of slate. Original label: Metasediment? Metagreywacke? Schist pendant. |
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 |
| GRD02OXS0 |
Non-layered Gneiss
|
Large sample of augen gneiss. Large augen of potassium feldspar. Potassium feldspar-quartz-biotite. Original label: S-C gneiss. |
California |
1 |
Ritter 154, 14 A |
| GRD02P0S0 |
Mylonite
|
Very small sample and billets. Very fine-grained mylonite/gneiss. Original label: Mylonitic gneiss - from shear zone?. |
California |
2 |
Ritter 154, 24 I |
| GRD02P1S0 |
Schist
|
Very fine-grained schist cobble. Blue and green phyllosilicates. Five billets. Original label: Spotted schist. |
California |
2 |
Ritter 154, 24 D |
| GRD02P2S0 |
Schist
|
Fine-grained schist. Blue and green phyllosilicates with cordierite(?). Four billets. Original label: Mica schist. |
California |
2 |
Ritter 154, 14 C |
