| 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 |
| 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 |
| GRD0047S0 |
Basalt
|
1960 Kapcho original description. Likely referring to the 1960 Kapoho eruption on Kilauea. |
Hawaii |
0 |
Ritter 154, 16 G |
| GRD0048S0 |
Basalt
|
Great Lake Dolerite Sheet |
Australia |
1 |
Ritter 154, 29 B |
| GRD0049S0 |
Basalt
|
Great Lake Dolerite Sheet |
Australia |
1 |
Ritter 154, 29 B |
| GRD004AS0 |
Basalt
|
Great Lake Dolerite Sheet |
Australia |
1 |
Ritter 154, 29 B |
| GRD004BS0 |
Basalt
|
Great Lake Dolerite Sheet |
Australia |
1 |
Ritter 154, 29 B |
| GRD004CS0 |
Basalt
|
Great Lake Dolerite Sheet |
Australia |
1 |
Ritter 154, 29 B |
| GRD004DS0 |
Basalt
|
Great Lake Dolerite Sheet |
Australia |
1 |
Ritter 154, 29 B |
| GRD004ES0 |
Felsic Intrusive
|
Great Lake Dolerite Sheet |
Australia |
1 |
Ritter 154, 29 B |
| GRD004FS0 |
Felsic Intrusive
|
Great Lake Dolerite Sheet |
Australia |
1 |
Ritter 154, 29 B |
| GRD004GS0 |
Felsic Intrusive
|
Great Lake Dolerite Sheet, fine grained |
Australia |
1 |
Ritter 154, 29 B |
| GRD004HS0 |
Basalt
|
Great Lake Dolerite Sheet |
Australia |
1 |
Ritter 154, 29 B |
| GRD004IS0 |
Basalt
|
Great Lake Dolerite Sheet, Chilled Margin |
Australia |
1 |
Ritter 154, 29 B |
| GRD004JS0 |
Basalt
|
Great Lake Dolerite Sheet |
Australia |
1 |
Ritter 154, 29 B |
| GRD004KS0 |
Basalt
|
Great Lake Dolerite Sheet |
Australia |
0 |
Ritter 154, 29 B |
| GRD004LS0 |
Basalt
|
Great Lake Dolerite Sheet |
Australia |
1 |
Ritter 154, 29 B |
| GRD004MS0 |
Felsic Intrusive
|
Great Lake Dolerite Sheet |
Australia |
2 |
Ritter 154, 29 B |
| GRD004NS0 |
Basalt
|
Great Lake Dolerite Sheet |
Australia |
0 |
Ritter 154, 29 B |
| GRD004OS0 |
Basalt
|
Great Lake Dolerite Sheet |
Australia |
0 |
Ritter 154, 29 B |
| GRD004PS0 |
Felsic Intrusive
|
Great Lake Dolerite Sheet |
Australia |
1 |
Ritter 154, 29 B |
