| GRD02VYS0 |
Intermediate Intrusive
|
|
California |
1 |
Camp Elliott |
| GRD02VZS0 |
Non-layered Gneiss
|
Unknown origin or composition. Blue/Gray rock with minor foliation. |
California |
2 |
Camp Elliott |
| GRD02W0S0 |
Pyroxenite
|
Clinopyroxenite |
California |
2 |
Ritter 154, 29 F |
| GRD02W1S0 |
Schist
|
|
California |
1 |
Camp Elliott |
| GRD02W2S0 |
Latite
|
Quartz Latite |
California |
0 |
Camp Elliott |
| GRD02W2S1 |
Latite
|
Quartz Latite |
California |
0 |
Camp Elliott |
| GRD02W3S0 |
Rhyolite
|
Rhyo-dacite cobble from exposures on sea cliff north of SIO pier. These cobbles form Poway fm cgl, the source was in Sonora Mexico |
California |
0 |
Ritter 154, 15 G |
| GRD02W4S0 |
Igneous
|
Interesting sample, not sure of mode of formation. Aphanitic, difficult to determine composition without thin section. |
California |
0 |
Camp Elliott |
| GRD02W5S0 |
Gneiss
|
Pinto gneiss. Joshua Tree National monument. Nov 66. Near contact w/ white Tank Qtz Monz |
California |
0 |
Camp Elliott |
| GRD02W6S0 |
Basalt
|
Nov-66 |
California |
0 |
Camp Elliott |
| GRD02W7S0 |
Schist
|
Julian schist, about1 1/2 mile west of Julian |
California |
2 |
Ritter 154, 24 D |
| GRD02W8S0 |
Felsic Intrusive
|
Aplite(?). Original Description: Schist pendant. Siliceous schist |
California |
2 |
Camp Elliott |
| GRD02W9S0 |
Felsic Intrusive
|
|
California |
0 |
Camp Elliott |
| GRD02WAS0 |
Volcanic
|
|
California |
0 |
Camp Elliott |
| GRD02WBS0 |
Volcanic
|
|
California |
2 |
Camp Elliott |
| GRD02WCS0 |
Basalt
|
Plagioclase bearing |
California |
1 |
Ritter 154, 29 C |
| GRD02WDS0 |
Dacite
|
|
California |
1 |
Ritter 154, 29 C |
| GRD02WES0 |
Basalt
|
Plagioclase and Olivine phenocryst bearing basalt with plag rich groundmass containing fine oxides |
California |
1 |
Ritter 154, 29 C |
| GRD02WFS0 |
Mafic Extrusive
|
GPS 011 |
California |
1 |
Ritter 154, 29 C |
| GRD02WGS0 |
Andesite
|
Good thin section. Unremarkable hand sample. Plagioclase rich |
California |
1 |
Ritter 154, 29 C |
| GRD02WHS0 |
Intermediate Extrusive
|
Hornblende Andesite/Dacite (Hypabyssal). Collected 8/10/60 |
California |
1 |
Ritter 154, 15 Q |
| GRD02WIS0 |
Gabbro
|
Hornblende Gabbro. Coarse Grain |
California |
1 |
Ritter 154, 16 D |
| GRD02WJS0 |
Andesite
|
Gray/green andesite/vitrophyre with quartz and feldspar phenocrysts |
California |
1 |
Ritter 154, 16 A |
| GRD02WKS0 |
Felsic Extrusive
|
Gray felsite |
California |
1 |
Camp Elliott |
| GRD02WLS0 |
Granite
|
Sulfide bearing granitic rock. Oligoclase, K-spar, Quartz, Biotite with chalcopyrite and other sulfide minerals |
California |
0 |
Ritter 154, 15 B |
| GRD02WMS0 |
Quartzite
|
Meta-quartzite, intensely sheared, flattened and recrystallized. Muscovite has formed on shear planes. Protolith would have been nearly pure quartz sand with minor clay to form the muscovite |
California |
1 |
Camp Elliott |
| GRD02WNS0 |
Volcaniclastic Sediment
|
Rounded volcanic cobble with calcite filled cavities. |
Washington |
0 |
Ritter 154, 17 N |
| GRD02WOS0 |
Pegmatite
|
Pegmatite dike - collected 2002 |
California |
0 |
Camp Elliott |
| GRD02WPS0 |
Diorite
|
Diorite |
California |
2 |
Ritter 154, 15 P |
| GRD02WQS0 |
Diorite
|
Hornblende Diorite |
California |
2 |
Ritter 154, 15 P |
