| GRD00BWS0 |
Basalt
|
TSB only |
Ecuador |
0 |
Camp Elliott |
| GRD00BXS0 |
Basalt
|
Plag phyric basalt with felsic extrusive xenolith. |
Guatemala |
0 |
Ritter 154, 16 Q |
| GRD00BZS0 |
Latite
|
Acmite bearing neph syenite dike. Samples 474-500 taken from Rwanda and Burundi (East African Rift) |
Rwanda |
0 |
Camp Elliott |
| GRD00CDS0 |
Trachyte
|
Biotite phenocrysts. Samples 474-500 taken from Rwanda and Burundi (East African Rift) |
Rwanda |
0 |
Ritter 154, 15 H |
| GRD00CES0 |
Trachyte
|
Biotite and Plag phenorcrysts. Samples 474-500 taken from Rwanda and Burundi (East African Rift) |
Rwanda |
0 |
Ritter 154, 15 H |
| GRD00CFS0 |
Latite
|
Hypersthene-latite with tridymite (High Temperature Qtz.) Crystals in vugs. Samples 474-500 taken from Rwanda and Burundi (East African Rift) |
Rwanda |
0 |
Ritter 154, 15 H |
| GRD00CGS0 |
Latite
|
Hypersthene-latite with tridymite (High Temperature Qtz.) Samples 474-500 taken from Rwanda and Burundi (East African Rift) |
Rwanda |
0 |
Ritter 154, 15 H |
| GRD00CXS0 |
Trachyte
|
Original description: Soda trachyte. Samples I-501 to I-510 taken from Congo Tanganikia province |
Congo {Democratic Rep} |
0 |
Ritter 154, 15 H |
| GRD00CYS0 |
Trachyte
|
Original description: Q-anorthoclase trachyte (Q-Amph-green Px). Samples 511-519 from Ascension Island. |
United Kingdom |
0 |
Ritter 154, 15 H |
| GRD00CZS0 |
Basalt
|
Vesicular olivine basalt. Original description: Olivine basalt. Samples 511-519 from Ascension Island. |
United Kingdom |
0 |
Ritter 154, 20 F |
| GRD00D1S0 |
Rhyolite
|
Small sample. Original description: Soda comendite (peralkaline rhyolite). Samples 511-519 from Ascension Island. |
United Kingdom |
0 |
Camp Elliott |
| GRD00D4S0 |
Basalt
|
Original description: Olivine basalt. |
United Kingdom |
0 |
Ritter 154, 20 F |
| GRD00D5S0 |
Trachyte
|
Original description: Aegirine trachyte. |
United Kingdom |
0 |
|
| GRD00D6S0 |
Obsidian
|
Small sample. Samples 511-519 from Ascension Island. |
United Kingdom |
0 |
Camp Elliott |
| GRD00D8S0 |
Basalt
|
weathered basalt |
United Kingdom |
0 |
Ritter 154, 20 F |
| GRD00D9S0 |
Basanite
|
Original description: Neph basanite. |
United Kingdom |
0 |
Ritter 154, 20 I |
| GRD00DBS0 |
Rhyolite
|
Small sample. Original description: Q porphyry. |
South Africa |
0 |
Camp Elliott |
| GRD00DCS0 |
Basalt
|
dolerite |
South Africa |
0 |
Ritter 154, 20 F |
| GRD00DHS0 |
Basalt
|
Original description: dolerite. |
South Africa |
0 |
Ritter 154, 20 F |
| GRD00DUS0 |
Volcanic
|
volcaniclastic |
|
0 |
Camp Elliott |
| GRD00DWS0 |
Basalt
|
|
|
0 |
Camp Elliott |
| GRD00E1S0 |
Trachyte
|
Trachyte porphyry associated with Tulameen BC ultramafic complex (likely Late Triassic). |
Canada |
0 |
Ritter 154, 15 H |
| GRD00EIS0 |
Basalt
|
Original description: Olivine diabase from Port Coldwell alkaline complex. |
Canada |
0 |
Camp Elliott |
| GRD00G6S0 |
Basalt
|
glassy scoriaceous basalt |
|
0 |
Camp Elliott |
| GRD00GBS0 |
Rhyolite
|
Very altered rhyolite from 595 Ma Lynn-Mattapan volcanic complex. Thin section in Wards Micro Slides box in Ritter 154. |
Massachusetts |
1 |
Camp Elliott |
| GRD00GCS0 |
Rhyolite
|
Rhyolite with flow bands. Minerals include topaz, spessartine, quartz, sanidine. |
Colorado |
1 |
Ritter 154, 15 G |
| GRD00GFS0 |
Rhyolite
|
altered black porphyritic rhyolite. Part of Marblehead Neck volcanic plug (dark fine grained rhyolite and lighter volcanic breccias) |
Massachusetts |
1 |
Ritter 154, 15 G |
| GRD00GJS0 |
Trachyte
|
trachyte (Ks-Plag-Bi), 2 large hand samples. |
Colorado |
0 |
Ritter 154, 15 H |
| GRD00GQS0 |
Andesite
|
Altered andesite porphyry. Thin section in Wards Micro Slides box in RH 154. |
Colorado |
1 |
Camp Elliott |
| GRD00GSS0 |
Basalt
|
Vesicular aphyric basalt. Vesicles lined with zeolite?; Thin section in Wards Micro Slides box in RH 154. |
Colorado |
1 |
Camp Elliott |
