| GRD001XS0 |
Syenite
|
|
California |
1 |
Ritter 154, 15 C |
| GRD001YS0 |
Syenite
|
Kspar, quartz, amphibole |
California |
0 |
Ritter 154, 19 D |
| GRD001ZS0 |
Rhyolite
|
Groundmass is glassy. Feldspars in hand sample. |
California |
1 |
Ritter 154, 15 F |
| GRD0020S0 |
Rhyolite
|
|
California |
1 |
Ritter 154, 15 F |
| GRD0021S0 |
Basalt
|
Red |
California |
1 |
Ritter 154, 16 G |
| GRD0022S0 |
Granodiorite
|
Large plagioclase, k-spar, and hornblende in hand sample |
California |
1 |
Ritter 154, 15 O |
| GRD0023S0 |
Bombs
|
Vesicular basaltic bomb |
California |
1 |
Ritter 154, 16 R |
| GRD0024S0 |
Anorthosite
|
Sample missing from drawer |
Norway |
0 |
Ritter 154, 16 F |
| GRD0025S0 |
Rhyolite
|
|
|
1 |
Ritter 154, 15 F |
| GRD0026S0 |
Gabbronorite
|
Magnetic Gabbronorite containing Plag, Biotite, Cpx, Hbl, Opx, Chlorite, Magnetite. Original label: Peekskill Norite. Cortland Series. |
New York |
2 |
Ritter 154, 3 F |
| GRD0027S0 |
Gabbro
|
Thin section only, in Thin Section only case in RH 154. |
|
1 |
Ritter 154 |
| GRD0029S0 |
Granite
|
|
Algeria |
1 |
Ritter 154, 15 B |
| GRD002AS0 |
Rhyolite
|
|
California |
1 |
Ritter 154, 15 F |
| GRD002BS0 |
Igneous Structures
|
Contact of Inyo Granite and dolomite |
California |
1 |
Ritter 154, 16 Q |
| GRD002CS0 |
Igneous Structures
|
5 cm myrmekite dike cutting a granodiorite. |
California |
1 |
Ritter 154, 16 Q |
| GRD002DS0 |
Rhyolite
|
|
California |
1 |
Ritter 154, 15 F |
| GRD002ES0 |
Undersaturated
|
original: Hauyne bearning phonolite. |
France |
1 |
Ritter 154, 16 M |
| GRD002FS0 |
Undersaturated
|
Na Trachyte, forms volcanic plugs |
France |
0 |
Ritter 154, 16 M |
| GRD002GS0 |
Trachyte
|
Bi Trachyte, small hand sample |
France |
0 |
Camp Elliott |
| GRD002HS0 |
Basalt
|
Puy en Velay |
France |
0 |
Ritter 154, 20 E |
| GRD002IS0 |
Undersaturated
|
|
France |
1 |
Ritter 154, 16 M |
| GRD002MS0 |
Gabbro
|
Original description: gabbro troctolite. |
Oklahoma |
0 |
Ritter 154, 16 C |
| GRD002NS0 |
Foid-Bearing Extrusive
|
K-spar phenocrysts. Original description: Bi: Leucitophyre |
Germany |
0 |
Ritter 154, 16 M |
| GRD002OS0 |
Undersaturated
|
Kspar, Sanidine Trachyte |
Germany |
0 |
Ritter 154, 16 M |
| GRD002PS0 |
Undersaturated
|
|
Germany |
0 |
Ritter 154, 16 M |
| GRD002QS0 |
Bombs
|
Part of an olivine bomb |
Germany |
0 |
Ritter 154, 16 Q |
| GRD002RS0 |
Bombs
|
nodule, part of bomb? leucite? |
Germany |
0 |
Ritter 154, 20 L |
| GRD002WS0 |
Anorthosite
|
Coarse-grained |
|
0 |
Ritter 154, 16 F |
| GRD002XS0 |
Granite
|
Na granite with magnetite ore |
New York |
0 |
Ritter 154, 15 A |
| GRD002YS0 |
Basalt
|
Pisgah basalt |
California |
0 |
Ritter 154, 16 G |
