Sample Type is Igneous › Pyroclastic › Pyroclastic Deposits
83 records | Download| IGSN | Sample Type | Notes | Location | Number Thin Sections | Storage Location |
|---|---|---|---|---|---|
| GRD02PVS1 | Ignimbrite | The groundmass is pink whereas the fiamme are purple. Quartz crystals are visible. Original label: Bishop Tuff. | California | 4 | Ritter 154, 3 E |
| GRD02PVS2 | Ignimbrite | The groundmass is pink whereas the fiamme are purple. Quartz crystals are visible. Original label: Bishop Tuff. | California | 4 | Ritter 154, 15 K |
| GRD02QLS0 | Ignimbrite | Collected 1955. Lithic fragments, pumice, quartz and feldspar phenocryst | California | 1 | Ritter 154, 15 K |
| GRD02SNS0 | Ignimbrite | Volcanic Tuff. Miocene at 2100 ft in Hueneme Well. | California | 1 | Ritter 154, 17 N |
| GRD02UQS0 | Pyroclastic Deposits | Fresh Clinopyroxene amidst altered mineral assemblage. Tuff Breccia. Lower Jurassic | California | 1 | Ritter 154, 17 N |
| GRD02VDS0 | Ignimbrite | Bishop Tuff - lithic xxl - poorly indurated | California | 0 | Ritter 154, 19 I |
| GRD02VES0 | Ignimbrite | Pinkish/white Bishop Tuff - lithic crystal - poorly indurated | California | 0 | Ritter 154, 15 K |
| GRD02VES1 | Ignimbrite | Pinkish/white Bishop Tuff - lithic crystal - poorly indurated | California | 0 | Ritter 154, 19 I |
| GRD03YQS0 | Pyroclastic Deposits | Middle Tuff. Middle part of tuff is chiefly analcime with minor K-feldspar. | California | 0 | Ritter 154, 19 I |
| GRD03YRS0 | Pyroclastic Deposits | Tuff consists mainly of irregular remnants of white K-spar (clinoptilolite) surrounded by analcime. Local hard chalcedony at top of tuff. | California | 0 | Ritter 154, 15 K |
| GRD03YSS0 | Pyroclastic Deposits | Yellow Tuff. About 140 feet below skyline tuff. Yellow tuff ; mainly spherulitic phillipsite and analcime. | California | 0 | Ritter 154, 15 K |
| GRD03YTS0 | Pyroclastic Deposits | Skyline Tuff. Tuff is chiefly altered to clinoptilolite with minor analcime in lower part, and upper part. | California | 0 | Ritter 154, 15 K |
| GRD03YUS0 | Pyroclastic Deposits | Tuff C, completely altered to k-feldspar and other mineral. About 95 feet below Tuff A. | California | 0 | Ritter 154, 15 K |
| GRD03YVS0 | Pyroclastic Deposits | Tuff A localy altered at the top and base to greenish-yellow phillipsite | California | 0 | Ritter 154, 19 I |
| GRD03YXS0 | Pyroclastic Deposits | Tuff A, completely altered to zeolites with minor searlesite. Basal orange part consists of spherulitic phillipsite. Upper white part consists chiefly of crionite. Volcanic textures still obvious | California | 0 | Ritter 154, 19 I |
| GRD03ZCS0 | Pyroclastic Deposits | Stratified pyroclastic rock with alternating dark and light layers | California | 0 | Ritter 154, 15 J |
| GRD03ZGS0 | Pyroclastic Deposits | Pyroclastic breccia, red matrix with lithic volcanic fragments | Greece | 0 | Ritter 154, 17 N |
| GRD041KS0 | Welded Ignimbrite | Sanidine bearing welded tuff | Texas | 1 | Ritter 154, 15 L |
| GRD041MS0 | Pyroclastic Deposits | Obispo Tuff | California | 2 | Ritter 154, 15 K |
| GRD041NS0 | Pyroclastic Deposits | Palagonitic tuff | Washington | 1 | Ritter 154, 15 J |
| GRD043MS0 | Welded Ignimbrite | Bishop Tuff. porphyritic, welded with quartz, plagioclase, and k-spar phenocrysts | California | 2 | Ritter 154, 15 L |
| GRD043SS0 | Ignimbrite | banded syenite ignimbrite, some spherulites and rolled phenocrysts; part of older material intruded by White Mtn Complex | New Hampshire | 0 | Ritter 154, 29 E |
| GRD043SS1 | Ignimbrite | banded syenite ignimbrite, some spherulites and rolled phenocrysts; part of older material intruded by White Mtn Complex | New Hampshire | 0 | Ritter 154, 29 E |