| GRD0004S0 |
Pumice
|
|
Indonesia |
1 |
Ritter 154, 15 J |
| GRD0023S0 |
Bombs
|
Vesicular basaltic bomb |
California |
1 |
Ritter 154, 16 R |
| 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 |
| GRD007TS0 |
Scoria
|
small hand sample |
Oregon |
0 |
Camp Elliott |
| GRD00D0S0 |
Pyroclastic Fragments
|
concretions. Samples 511-519 from Ascension Island. |
United Kingdom |
0 |
Ritter 154, 15 J |
| GRD00DVS0 |
Lapilli
|
lapillistone? glassy |
|
0 |
Ritter 154, 15 J |
| GRD00G1S0 |
Scoria
|
scoriaceous basalt |
Samoa |
0 |
Ritter 154, 15 J |
| GRD00G9S0 |
Pumice
|
Pumice from 15.5 ka explosive eruption at bottom of Lake Bonneville |
Utah |
1 |
Ritter 154, 15 J |
| GRD00G9S1 |
Pumice
|
Pumice from 15.5 ka explosive eruption at bottom of Lake Bonneville |
Utah |
1 |
Ritter 154, 15 J |
| GRD00H6S0 |
Pumice
|
Pumice with flow banding |
|
0 |
Ritter 154, 15 J |
| GRD00HIS0 |
Scoria
|
glassy scoriaceous basalt |
|
0 |
Camp Elliott |
| GRD00HKS0 |
Bombs
|
andesite volcanic bomb |
|
0 |
Ritter 154, 15 J |
| GRD00HNS0 |
Scoria
|
scoriaceous basalt |
|
0 |
Ritter 154, 15 R |
| GRD00I5S0 |
Pumice
|
pumice |
|
0 |
Ritter 154, 15 J |
| GRD00IAS0 |
Scoria
|
scoriaceous basalt |
|
0 |
Camp Elliott |
| GRD00JAS0 |
Bombs
|
spatter and bombs; alkali-olivine basalt or basanite |
California |
0 |
Ritter 154, 16 I |
| GRD00JAS1 |
Bombs
|
Large bomb; alkali-olivine basalt or basanite |
California |
0 |
Ritter 154, 16 I |
| GRD021LS0 |
Pumice
|
Large (~9 cm in diameter), cut light grey pumice with billet. Original label: 20 November, 1980. |
Pacific Ocean |
1 |
Ritter 154, 37 B |
| GRD021NS0 |
Scoria
|
Large (~8 cm in diameter) black-brown scoria. Vesicles become larger toward the center of the sample. Billet. Original label: 20 November, 1980. |
Pacific Ocean |
1 |
Ritter 154, 37 B |
| GRD021US0 |
Pumice
|
Three small (~3 cm in diameter)pumice samples. Two cut and one uncut. Billet pieces. Original label: 20 November, 1980. |
Pacific Ocean |
1 |
Ritter 154, 37 B |
| GRD022TS0 |
Pumice
|
Bag of pumice. One sample is cut. ~3 cm on cut face. Original label: 25 November, 1980. |
Pacific Ocean |
1 |
Ritter 154, 37 C |
| GRD022US0 |
Pumice
|
Bag of elgonated uncut pumice. Original label: 25 November, 1980. |
Pacific Ocean |
0 |
Ritter 154, 37 C |
| GRD023NS0 |
Pumice
|
One very small (~3x2x0.5 cm) pebble of white/light grey pumice cut in half. Original label: 25 November, 1980. |
Pacific Ocean |
1 |
Ritter 154, 37 C |
| GRD023OS0 |
Pumice
|
One small (~2x2x2 cm) uncut rounded pebble of white/light grey pumice. Original label: 25 November, 1980. |
Pacific Ocean |
0 |
Ritter 154, 37 C |
| GRD0272S0 |
Pumice
|
Two uncut pumice samples. Some quartz crystals visible in the light grey groundmass glass. Original label: 30 March, 1975. |
Pacific Ocean |
0 |
Ritter 154, 37 F |
| GRD0277S0 |
Pumice
|
Small cut pumice sample that measures ~4x2x5 cm. Billet. Original label: 21 October, 1967, section cut July 1971 and designated 87-D-BB-1. |
Pacific Ocean |
1 |
Ritter 154, 37 G |
| GRD027XS0 |
Pumice
|
Two grey pumice samples (some olivine and feldspar crystals visible). Largest measures 5x4x1 cm. Billet. Original label: 21 October, 1967, Section cut July 1971. |
Pacific Ocean |
1 |
Ritter 154, 37 G |
| GRD027YS0 |
Pumice
|
One small (~3.5x3.5x2 cm) pumice sample, some quartz and olivine crystals visible. Sample and small fragments in plastic bag. |
Pacific Ocean |
0 |
Ritter 154, 37 G |
| GRD027ZS0 |
Pumice
|
Seven small (~2x3x2 cm) pumice samples, some quartz and olivine crystals visible. |
Pacific Ocean |
0 |
Ritter 154, 37 G |
