| GRD003DS0 |
Basalt
|
|
Arizona |
0 |
Ritter 154, 20 E |
| GRD003ES0 |
Breccia
|
Volcanic Breccia. Lithic fragments (intermediate composition?) in fine-grained, ashy matrix. |
Arizona |
0 |
Ritter 154, 23 C |
| GRD003FS0 |
Basalt
|
|
Arizona |
0 |
Ritter 154, 20 E |
| GRD003GS0 |
Igneous
|
Tossed. Missing. Unremarkable sample. |
Arizona |
0 |
|
| GRD003HS0 |
Micaceous Extrusive
|
Eclogite inclusions from kimberlite, TSB only |
Arizona |
0 |
Ritter 154, 20 I |
| GRD003IS0 |
Micaceous Extrusive
|
|
|
0 |
Ritter 154, 16 M |
| GRD003JS0 |
Basalt
|
|
Arizona |
0 |
Ritter 154, 20 E |
| GRD003KS0 |
Basalt
|
sill 5-10 below top |
Arizona |
0 |
Ritter 154, 20 E |
| GRD003LS0 |
Basalt
|
150-200 |
Arizona |
0 |
Ritter 154, 20 E |
| GRD003MS0 |
Basalt
|
50 |
Arizona |
0 |
Ritter 154, 20 E |
| GRD003NS0 |
Basalt
|
12 |
Arizona |
0 |
Ritter 154, 20 E |
| GRD003OS0 |
Basalt
|
3 above |
Arizona |
0 |
Ritter 154, 20 E |
| GRD003PS0 |
Basalt
|
|
Arizona |
0 |
Ritter 154, 20 E |
| GRD003QS0 |
Obsidian
|
Nice conchoidal fracture |
Arizona |
0 |
Camp Elliott |
| GRD003RS0 |
Micaceous Extrusive
|
Altered sandstone inclusion from kimberlite |
|
0 |
Ritter 154, 16 M |
| GRD003SS0 |
Basalt
|
|
Arizona |
0 |
Ritter 154, 20 E |
| GRD003TS0 |
Ignimbrite
|
Large feldspars in hand sample. |
California |
0 |
Ritter 154, 19 H |
| GRD003US0 |
Welded Ignimbrite
|
P, Bi, Quartz, Plag |
California |
0 |
Ritter 154, 15 L |
| GRD003VS0 |
Welded Ignimbrite
|
Plagioclase and biotite crystals obvious in hand sample |
California |
0 |
Ritter 154, 15 L |
| GRD003WS0 |
Blueschist
|
Franciscan Formation. Glaucophane schist (?). Thin discontinuous, folded bands of glaucophane (?) and quartz. |
California |
0 |
Ritter 154, 24 I |
| GRD003XS0 |
Greenschist
|
Green with calcite veins. No foliation. Original description: Altered Basalt. |
California |
0 |
Ritter 154, 24 C |
| GRD003YS0 |
Basalt
|
|
Tristan da Cunha: flow or large sill half way between Big Point and Rookery Point, elev 10 |
0 |
Ritter 154, 20 E |
| GRD003ZS0 |
Basalt
|
stretched vesicles |
Tristan da Cunha: Halfway between Rookery and Big points |
0 |
Ritter 154, 20 E |
| GRD0040S0 |
Andesite
|
Vesicular |
Tristan da Cunha: Stony Beach Cinder Cone, elev. 0 (penultimate flow) |
0 |
Ritter 154, 19 H |
| GRD0041S0 |
Andesite
|
|
Tristan da Cunha: 1961 eruption, seaward edge of flow, elev 10. 100 yards from extreme W. of flow |
0 |
Ritter 154, 16 A |
| GRD0042S0 |
Andesite
|
|
Tristan da Cunha: 1961 eruption, seaward edge of flow, elev 10, from outer part of flow |
0 |
Ritter 154, 19 H |
| GRD0043S0 |
Basalt
|
nice vesicles |
Tristan da Cunha: sealevel outcrop below the Settlement and E of Herald Pt |
0 |
Ritter 154, 20 E |
| GRD0044S0 |
Basalt
|
Fine-grained lava flow |
Tristan da Cunha: flow forming 3rd waterfall above largest waterfall, Hottentot gulch, elev 1500 |
0 |
Ritter 154, 20 E |
| GRD0045S0 |
Basalt
|
Fine grained fissile lava flow. Thin section extremely different than hand sample (wrong number?). |
Tristan da Cunha: 100 yards W of Pinnacle, Hottentot gulch, 900 elev |
1 |
Ritter 154, 20 E |
| GRD0046S0 |
Basalt
|
|
Tristan da Cunha: behind huts at Landing near the waterfall, Inaccessible Island, elev 75 |
0 |
Ritter 154, 20 E |
