| GRD03POS0 |
Igneous
|
|
|
0 |
|
| GRD03PPS0 |
Igneous
|
|
|
0 |
|
| GRD03PQS0 |
Igneous
|
|
|
0 |
|
| GRD03PRS0 |
Igneous
|
|
|
0 |
|
| GRD03PSS0 |
Igneous
|
|
|
0 |
|
| GRD03PTS0 |
Igneous
|
|
|
0 |
|
| GRD03PUS0 |
Igneous
|
|
|
0 |
|
| GRD03PVS0 |
Igneous
|
|
|
0 |
|
| GRD03PWS0 |
Igneous
|
|
|
0 |
|
| GRD03PXS0 |
Igneous
|
|
|
0 |
|
| GRD03PYS0 |
Igneous
|
|
|
0 |
|
| GRD03PZS0 |
Igneous
|
|
|
0 |
|
| GRD03Q0S0 |
Igneous
|
|
|
0 |
|
| GRD03Q1S0 |
Igneous
|
|
|
0 |
|
| GRD03YNS0 |
Igneous
|
|
|
0 |
|
| GRD03YOS0 |
Igneous
|
|
|
0 |
|
| GRD03YPS0 |
Igneous
|
|
|
0 |
|
| 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 |
| GRD03YYS0 |
Mafic Extrusive
|
Chemically weathered, vesicular rock with lithic fragments and oxidized phenocrysts (olivine?). Unidentified white/gray cementation, likely carbonate. Large piece shows preservation of ripples on one side. |
Hawaii |
0 |
Ritter 154, 20 E |
| GRD03YZS0 |
Pumice
|
Collected 1975 |
Oregon |
0 |
Ritter 154, 15 J |
| GRD03Z0S0 |
Volcanic
|
Feldspar(sanidine?), zeolite, and chalcopyrite bearing hydrothermally altered volcanic rock. Bore Hole # 9. Collected 1967, blew out 1965 further away from hole than #2, water barely reaches sample. Not Ore. |
New Zealand |
1 |
Ritter 154, 14 O |
| GRD03Z2S0 |
Monzonite
|
Palm sized slab of monzonite. Grain size transitions from medium to fine grain across sample. |
California |
0 |
Ritter 154, 15 E |
| GRD03Z5S0 |
Mafic Intrusive
|
Great Whin Sill |
United Kingdom |
0 |
Ritter 154, 16 I |
| GRD03Z8S0 |
Obsidian
|
|
California |
0 |
Ritter 154, 15 M |
