| GRD02U8S0 |
Dacite
|
Rhyolite/Dacite Avalanche deposit 9/20/99 |
California |
1 |
Ritter 154, 29 D |
| GRD02UBS0 |
Intermediate Extrusive
|
Franciscan Melange. Keratophyre? Fine grain with plag rich veins |
California |
2 |
Ritter 154, 15 H |
| GRD02V9S0 |
Andesite
|
Porphyritic Andesite. See SR 78a |
California |
0 |
Camp Elliott |
| GRD02VCS0 |
Basalt
|
Basalt flow (Alkali?) |
California |
0 |
Camp Elliott |
| GRD02VRS0 |
Dacite
|
Dense - sheared, epidote(?) |
California |
0 |
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 |
| GRD02W6S0 |
Basalt
|
Nov-66 |
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 |
| 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 |
| GRD02X9S0 |
Andesite
|
Basaltic Andesite |
California |
2 |
Ritter 154, 16 G |
| GRD02X9S1 |
Andesite
|
Basaltic Andesite |
California |
2 |
Camp Elliott |
| GRD02XAS0 |
Basalt
|
Basalt with plagioclase phenocrysts |
California |
0 |
Ritter 154, 16 G |
| GRD02XGS0 |
Basalt
|
Sonora Pass. Plag-phyric |
California |
1 |
Ritter 154, 29 C |
| GRD02XOS0 |
Intermediate Extrusive
|
Plagioclase-phyric intermediate extrusive with glassy inclusions |
California |
0 |
Ritter 154, 16 B |
| GRD02XQS0 |
Basalt
|
Basalt with Dunite and Basement inclusions |
Antarctica |
0 |
Ritter 154, 16 H |
| GRD02XRS0 |
Basalt
|
Dunite and Pyroxene xenocryst bearing Basalt |
Antarctica |
0 |
Ritter 154, 16 H |
| GRD03YYS0 |
Mafic Extrusive
|
Chemically weathered, vesicular rock with lithic fragments and oxidized phenocrysts (olivine?). Unidentified white/gray cementation, likely carbonate. Large piece shows preservation of ripples on one side. |
Hawaii |
0 |
Ritter 154, 20 E |
| GRD03Z0S0 |
Volcanic
|
Feldspar(sanidine?), zeolite, and chalcopyrite bearing hydrothermally altered volcanic rock. Bore Hole # 9. Collected 1967, blew out 1965 further away from hole than #2, water barely reaches sample. Not Ore. |
New Zealand |
1 |
Ritter 154, 14 O |
| GRD03Z8S0 |
Obsidian
|
|
California |
0 |
Ritter 154, 15 M |
| GRD03ZDS0 |
Mafic Extrusive
|
Altered volcanic rock |
Mexico |
0 |
Ritter 154, 16 G |
