| GRD00JLS0 |
Pegmatite
|
Tourmaline (schorl) in pegmatite. Stored on shelf in main room of RH 154, north side of room. |
California |
0 |
Ritter 154 |
| GRD02F4S0 |
Pegmatite
|
Graphic pegmatite. Not a good sample. Original description: Serpentine marble. |
New York |
0 |
Camp Elliott |
| GRD02OYS0 |
Pegmatite
|
Small sample of a pegmatite. Unremarkable. Very small acicular crystals of tourmaline. Sample is not cut. Original label: Pegmatitic material. |
California |
0 |
Camp Elliott |
| GRD02R8S0 |
Aa
|
Olivine bearing basalt. aa flow. Vesicular. |
Hawaii |
0 |
Ritter 154, 16 H |
| GRD02R9S0 |
Pahoehoe
|
Two large pieces. Smooth interior, indicative of a lava tube or a cast |
|
0 |
Ritter 154, 16 I |
| GRD02WOS0 |
Pegmatite
|
Pegmatite dike - collected 2002 |
California |
0 |
Camp Elliott |
| GRD03Z9S0 |
Layering
|
Large boulder sized sample of obsidian and pumaceous material, flow banded |
California |
0 |
Ritter 154, 16 I |
| GRD03ZAS0 |
Layering
|
Obsidian and pumaceous material, flow banded |
California |
0 |
Ritter 154, 16 I |
| GRD03ZFS0 |
Pahoehoe
|
Pahoehoe |
Iceland |
0 |
Ritter 154, 16 I |
| GRD03ZKS0 |
Pegmatite
|
Zoroaster Granite. Potassium feldspar, quartz, biotite. |
Arizona |
0 |
Ritter 154, 29 H |
| GRD042HS0 |
Pahoehoe
|
folded, vesicular pahoehoe fragment |
likely from Hawaii |
0 |
Ritter 154, 16 Q |
| GRD042JS0 |
Igneous Structures
|
volcanic bomb with ultramafic xenolith |
California |
0 |
Ritter 154, 20 L |
| GRD042KS0 |
Igneous Structures
|
lherzolite xenolith from Dish Hill |
California |
0 |
Ritter 154, 20 L |
| GRD042SS0 |
Sheet Flow
|
thick (5 mm) glassy rind, bluish (intersertal) texture on base |
|
0 |
Ritter 154, 16 Q |
| GRD042TS0 |
Sheet Flow
|
aphyric sheet flow with glassy drain back features on base |
Pacific Ocean |
0 |
Ritter 154 |
| GRD042US0 |
Sheet Flow
|
plag-phyric sheet flow |
Pacific Ocean |
0 |
Ritter 154 |
| GRD042VS0 |
Igneous Structures
|
|
|
0 |
Ritter 154 |
| GRD042ZS0 |
Igneous Structures
|
olivine basalt or basanite with abundant ultramafic xenoliths, Leone Volcanics, likely from dike |
American Samoa |
0 |
Ritter 154, 16 O |
