| GRD03ZES0 |
Basalt
|
Sub-glacial vesicular basalt, neovolcanic zone |
Iceland |
0 |
Ritter 154, 16 H |
| GRD03ZHS0 |
Basalt
|
Plagioclase bearing basalt |
Greece |
0 |
Ritter 154, 20 E |
| GRD03ZIS0 |
Basalt
|
Cavity filling in basalt |
Nevada |
0 |
Ritter 154, 16 R |
| GRD041SS0 |
Dacite
|
|
Puerto Rico |
0 |
Ritter 154, 29 L |
| GRD041TS0 |
Mafic Extrusive
|
Spilite |
Puerto Rico |
0 |
Ritter 154, 29 L |
| GRD041WS0 |
Andesite
|
Andesite |
Puerto Rico |
0 |
Ritter 154, 29 L |
| GRD0421S0 |
Basalt
|
Robles fm. |
Puerto Rico |
0 |
Ritter 154, 29 L |
| GRD0422S0 |
Basalt
|
Pillow Basalt. Pozas fm. |
Puerto Rico |
0 |
Ritter 154, 29 L |
| GRD0423S0 |
Felsic Extrusive
|
Welded Tuff |
Puerto Rico |
0 |
Ritter 154, 29 L |
| GRD0427S0 |
Mafic Extrusive
|
Lapa fm., Tetas Lava |
Puerto Rico |
0 |
Ritter 154, 29 L |
| GRD0428S0 |
Basalt
|
Lapa Lava |
Puerto Rico |
0 |
Ritter 154, 29 L |
| GRD0429S0 |
Intermediate Extrusive
|
Quartz keratophyre |
Puerto Rico |
0 |
Ritter 154, 29 L |
| GRD042AS0 |
Rhyolite
|
|
Puerto Rico |
0 |
Ritter 154, 29 L |
| GRD042BS0 |
Basalt
|
Basalt Breccia(?) |
Puerto Rico |
0 |
Ritter 154, 29 L |
| GRD042CS0 |
Basalt
|
Porphyritic basalt |
Puerto Rico |
0 |
Ritter 154, 29 L |
| GRD042RS0 |
Basalt
|
olivine-phyric basalt, 1960 Hawaii flow |
Hawaii |
0 |
Ritter 154, 20 F |
| GRD042XS0 |
Ankaramite
|
ankaramite with 30% pyroxene, 15% olivine |
Raratonga, Cook Islands |
0 |
Ritter 154, 16 J |
| GRD0430S0 |
Andesite
|
Plagioclase and Pyroxene bearing andesite. |
Mexico |
2 |
Ritter 154, 16 A |
| GRD0433S0 |
Andesite
|
Hornblende Diorite Porphyry. Bull Mountain Bysmalith. Dynamited boulder from roadside |
Utah |
2 |
Ritter 154, 16 B |
| GRD0434S0 |
Andesite
|
Hornblende Diorite Porphyry. Large euhedral hornblende. Float, Bull Creek. |
Utah |
4 |
Ritter 154, 3 D |
| GRD0437S0 |
Ankaramite
|
Large pyroxene and olivine bearing sample |
Tahiti Iti, Vaitepiha Valley, French Polynesia, North side of Island |
0 |
Ritter 154, 16 J |
| GRD0437S1 |
Ankaramite
|
Large pyroxene and olivine bearing sample |
Tahiti Iti, Vaitepiha Valley, French Polynesia, North side of Island |
0 |
Ritter 154, 20 G |
| GRD043AS0 |
Andesite
|
Hornblende Andesite Porphyry |
France |
0 |
Ritter 154, 20 C |
| GRD043AS1 |
Andesite
|
Hornblende Andesite Porphyry |
France |
0 |
Ritter 154, 20 C |
| GRD043BS0 |
Picrite
|
Rounded boulder of basaltic olivine porphyry, broken into multiple pieces |
France |
0 |
Ritter 154, 16 J |
| GRD043BS1 |
Picrite
|
Rounded boulder of basaltic olivine porphyry, broken into multiple pieces |
France |
0 |
Ritter 154, 20 G |
| GRD043JS0 |
Ankaramite
|
|
Hawaii |
2 |
Ritter 154, 16 H |
| GRD043KS0 |
Ankaramite
|
No hand sample, two thin sections stored in thin section only storage in RH 154 |
Hawaii |
2 |
Ritter 154 |
| GRD043LS0 |
Ankaramite
|
No hand sample, three thin sections stored in Thin Section Only storage in RH 154 |
American Samoa |
3 |
Ritter 154 |
| GRD0442S0 |
Trachyte
|
Fine grained trachyte with abundant fragments of brecciated Belknap syenite. |
New Hampshire |
0 |
Ritter 154, 29 E |
