| GRD007TS0 |
Scoria
|
small hand sample |
Oregon |
0 |
Camp Elliott |
| GRD007VS0 |
Welded Ignimbrite
|
Original description: Rhyolite. |
Oregon |
0 |
Camp Elliott |
| GRD009BS0 |
Welded Ignimbrite
|
TSB only |
Italy |
0 |
Camp Elliott |
| GRD009CS0 |
Welded Ignimbrite
|
Phenocryst-rich, some lithic fragments |
Italy |
0 |
Ritter 154, 15 L |
| GRD009DS0 |
Welded Ignimbrite
|
Large euhedral white plagioclase- biotite- amphibole-quartz. Rounded lithic fragments. Purple matrix. Original description: Pl-Bi-lithic fragments. |
Italy |
0 |
Ritter 154, 15 L |
| GRD00BAS0 |
Ignimbrite
|
TSB. Rhyolitic Ignimbrite. |
Colorado |
0 |
Camp Elliott |
| GRD00BBS0 |
Ignimbrite
|
TSB. Rhyolitic ignimbrite. |
Colorado |
0 |
Camp Elliott |
| GRD00BCS0 |
Ignimbrite
|
TSB. Rhyolitic ignimbrite. |
Colorado |
0 |
Camp Elliott |
| GRD00BGS0 |
Welded Ignimbrite
|
TSB only |
Colorado |
0 |
Camp Elliott |
| GRD00BHS0 |
Welded Ignimbrite
|
TSB only |
Colorado |
0 |
Ritter 154, 19 J |
| GRD00BIS0 |
Welded Ignimbrite
|
TSB only |
Colorado |
0 |
Camp Elliott |
| GRD00BJS0 |
Welded Ignimbrite
|
TSB only |
Colorado |
0 |
Camp Elliott |
| GRD00D0S0 |
Pyroclastic Fragments
|
concretions. Samples 511-519 from Ascension Island. |
United Kingdom |
0 |
Ritter 154, 15 J |
| GRD00DTS0 |
Welded Ignimbrite
|
Tuff with lithic clasts. Nice flow texture. |
|
0 |
Ritter 154, 15 L |
| GRD00DVS0 |
Lapilli
|
lapillistone? glassy |
|
0 |
Ritter 154, 15 J |
| GRD00FYS0 |
Ignimbrite
|
Original description: Rhyolite tuff (lithics-pumice-Q). |
Idaho |
0 |
Ritter 154, 19 J |
| GRD00FZS0 |
Ignimbrite
|
rhyolite tuff (lithics-pumice-Q) |
|
0 |
Camp Elliott |
| 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 |
| GRD00GAS0 |
Ignimbrite
|
Phonolite tuff. Associated with large ore bodies at Cripple Creek. Thin section in Wards black Micro Slides box in Ritter 154. |
Colorado |
1 |
Camp Elliott |
| GRD00GDS0 |
Ignimbrite
|
Wall Mtn tuff. Also known as Castle Rock rhyolite. Rhyolite (San-Pla-Bi-Mt-Q) tuff. |
Colorado |
1 |
Ritter 154, 15 K |
| GRD00GES0 |
Ignimbrite
|
Rhyolite tuff (prominent smoky Q-San-Olig-Ga-Topaz) |
Colorado |
1 |
Ritter 154, 15 K |
| 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 |
| GRD00IGS0 |
Ignimbrite
|
Rhyolite tuff (Q euhedral-Ks-pumice) |
|
0 |
Camp Elliott |
