| GRD00IHS0 |
Ignimbrite
|
rhyolite tuff (Q-Plag-Bi/Hb reddened) |
|
0 |
Camp Elliott |
| GRD00IKS0 |
Ignimbrite
|
rhyolite tuff (white and green; pumice-Ks) |
|
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 |
| GRD00JBS0 |
Ignimbrite
|
White unwelded Bishop Tuff with brown pumice fragments. Top of section at middle hydro plant |
California |
0 |
Ritter 154, 15 K |
| GRD00JCS0 |
Welded Ignimbrite
|
Pink groundmass with purple pumice, moderately welded Bishop Tuff. 40m below top of section at middle hydro plant |
California |
0 |
Ritter 154, 15 L |
| GRD00JCS1 |
Welded Ignimbrite
|
Pink groundmass with purple pumice, moderately welded Bishop Tuff. 40m below top of section at middle hydro plant |
California |
0 |
Ritter 154, 19 J |
| GRD00JDS0 |
Welded Ignimbrite
|
Pink with grey fiamme, densely welded Bishop Tuff. 100 m below top of section at middle hydro plant. |
California |
0 |
Ritter 154, 15 L |
| GRD00JDS1 |
Welded Ignimbrite
|
Pink with grey fiamme, densely welded Bishop Tuff. 100 m below top of section at middle hydro plant. |
California |
0 |
Ritter 154, 19 J |
| GRD00JDS2 |
Welded Ignimbrite
|
Pink with grey fiamme, densely welded Bishop Tuff. 100 m below top of section at middle hydro plant. |
California |
0 |
Ritter 154, 19 J |
| GRD00JES0 |
Welded Ignimbrite
|
Purple, densely welded Bishop Tuff. 150m below top of section at middle hydro plant |
California |
0 |
Ritter 154, 15 L |
| GRD00JFS0 |
Welded Ignimbrite
|
Grey, densely welded Bishop Tuff. Base of tuff. Note remelting of flattened pumice. |
California |
0 |
Ritter 154, 19 J |
| GRD00JOS0 |
Ignimbrite
|
Large pumice within tuff, 100 feet below top. Missing sample |
California |
1 |
Ritter 154, 15 K |
| GRD01P3S0 |
Ignimbrite
|
Bishop Tuff overlying Sherwin Till. Original description: Bishop tuff, crudely bedded pumice fragments tuff. |
California |
0 |
|
| 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 |
| GRD022BS0 |
Ignimbrite
|
Yellowish cobble (~5 cm in diameter) with a small patch of Fe-Mn crust. Rind of pumice and lithic fragments ranging in size from 1 mm to 2 cm; billet pieces. Original label: 23 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 |
| GRD02NDS0 |
Pumice
|
Sparsely porphyritic pumice. Trace biotite. Original description: Perlitic Pumice. |
California |
0 |
Camp Elliott |
| GRD02NNS0 |
Ash
|
Sample of pink very fine-grained ash tuff. Veins and lenses of calcite. Spots of Fe-stains. |
California |
0 |
Ritter 154, 22 H |
| GRD02OCS0 |
Welded Ignimbrite
|
Bishop Tuff. Dark brown fiamme mantled by black rims with rounded quartz crystals in pink groundmass. Quartz and garnet-rich xenolith. |
California |
2 |
Ritter 154, 3 E |
