| GRD045CS0 |
Ultramafic Extrusive
|
Peridotitic komatiite flow(no spinifex zone). Chilled and fractured top of flow. A |
Canada |
0 |
Ritter 154, 29 K |
| GRD045CS1 |
Ultramafic Extrusive
|
Peridotitic komatiite flow(no spinifex zone). Chilled and fractured top of flow. A |
Canada |
0 |
Ritter 154, 29 K |
| GRD045ES0 |
Ultramafic Extrusive
|
Olivine spinifex zone at top of Freds Flow. The actual contact with overlying flows is not exposed. This zone estimated to be about 8 to 10 feet thick in the section sampled. |
Canada |
2 |
Ritter 154, 29 K |
| GRD045FS0 |
Ultramafic Extrusive
|
Pyroxene spinifex zone below olivine spinifex zone. This zone is much thicker than the olivine spinifex zone. |
Canada |
0 |
Ritter 154, 29 K |
| GRD045FS1 |
Ultramafic Extrusive
|
Pyroxene spinifex zone below olivine spinifex zone. This zone is much thicker than the olivine spinifex zone. |
Canada |
0 |
Ritter 154, 29 K |
| GRD045GS0 |
Ultramafic Extrusive
|
Transition pyroxene spinifex, pyroxene more randomly oriented. This represents the lower part of the pyroxene spinifex zone. |
Canada |
0 |
Ritter 154, 16 L |
| GRD045GS1 |
Ultramafic Extrusive
|
Transition pyroxene spinifex, pyroxene more randomly oriented. This represents the lower part of the pyroxene spinifex zone. |
Canada |
0 |
Ritter 154, 29 K |
| GRD045KS0 |
Ultramafic Extrusive
|
Iron-rich tholeiitic flow just below Freds Flow. Variolitic zone near base (?) of flow. Evidence of liquid immiscibility. |
Canada |
0 |
Ritter 154, 29 K |
| GRD045LS0 |
Ultramafic Extrusive
|
Hyaloclastite top of Theos flow. Illustrated in kodachrome slide set. |
Canada |
0 |
Ritter 154, 29 K |
| GRD045LS1 |
Ultramafic Extrusive
|
Hyaloclastite top of Theos flow. Illustrated in kodachrome slide set. |
Canada |
0 |
Ritter 154, 29 K |
| GRD045QS0 |
Ultramafic Extrusive
|
Pyroxenitic komatiite flow above Theos Flow. Possibly 200 to 300 feet above top of Theos Flow. |
Canada |
0 |
Ritter 154, 29 K |
| GRD045QS1 |
Ultramafic Extrusive
|
Pyroxenitic komatiite flow above Theos Flow. Possibly 200 to 300 feet above top of Theos Flow. |
Canada |
0 |
Ritter 154, 29 K |
| GRD045RS0 |
Ultramafic Extrusive
|
Basaltic komatiite flow above 22. Possibly 100 to 150 feet above UMF-22. Bulbous or tubular features on outcrop thought to represent lava tubes. Specimen collected from freshest most massive material from a so-called lava tube. Illustrated in kodachrome slide set. |
Canada |
0 |
Ritter 154, 29 K |
| GRD045SS0 |
Ultramafic Extrusive
|
Central part of iron-rich tholeiitic flow, about 20 feet above variolitic zone. |
Canada |
0 |
Ritter 154, 29 K |
| GRD045SS1 |
Ultramafic Extrusive
|
Central part of iron-rich tholeiitic flow, about 20 feet above variolitic zone. |
Canada |
0 |
Ritter 154, 29 K |
| GRD045TS0 |
Ankaramite
|
Vesicular ankaramite. Modes: 10 pyroxene, 5 olivine. |
Samoa |
0 |
Ritter 154, 16 J |
| GRD045TS1 |
Ankaramite
|
Vesicular ankaramite. Modes: 10 pyroxene, 5 olivine. |
Samoa |
0 |
Ritter 154, 16 J |
| GRD045TS2 |
Ankaramite
|
Vesicular ankaramite. Modes: 10 pyroxene, 5 olivine. |
Samoa |
0 |
Ritter 154, 16 J |
| GRD0465S0 |
Basalt
|
Yakima Basalt. Late Miocene-Early Pliocene |
Washington |
2 |
Ritter 154, 3 F |
| GRD046AS0 |
Andesite
|
|
Washington |
6 |
Ritter 154, 16 B |
| GRD046BS0 |
Andesite
|
Plag and Amphibole bearing |
Oregon |
2 |
Ritter 154, 16 B |
| GRD046CS0 |
Intermediate Extrusive
|
Ohanepecosch formation. Plagioclase rich flow with amphibole |
Washington |
2 |
Ritter 154, 16 H |
| GRD046IS0 |
Basalt
|
Yakima Basalt |
Washington |
2 |
Ritter 154, 16 H |
| GRD046QS0 |
Mafic Extrusive
|
Quartz Diabase. Hypidiomorphic, subophitic pyroxene, med grain-fine grain interstitial quartz, granophyre and pyroxene. Twinned plagioclase. |
New Jersey |
4 |
Ritter 154, 16 G |
| GRD047DS0 |
Basalt
|
Quartz and epidote veins. |
Philippines |
1 |
Camp Elliott |
| GRD047ES0 |
Basalt
|
Fine grained crystallites of plagioclase, radiating needles. Red vein through center with some colorless mineral included and associated opaques. Poorly formed tiny ep. opaque rich and opaque poor banding perpendicular and inclined to red vein. |
Philippines |
1 |
Ritter 154, 28 G |
| GRD047FS0 |
Basalt
|
Altered basalt. Plagioclase, very highly altered in random and radiating lathes 1-2mm long. Remnants of birefringent something, probably olivine, cpx, serp present. Opaques, blocky, (mt) sericite is all that is left of most plag. |
Philippines |
1 |
Camp Elliott |
| GRD047IS0 |
Andesite
|
A few plagioclase and brown amphibole phenocrysts in a plagioclase amphibole groundmass. Both minerals are zoned and filled with inclusions. Seven clusters of ep and cpx. |
Philippines |
1 |
Ritter 154, 28 G |
| GRD047JS0 |
Basalt
|
Pale green amphibole in subophitic relation to plagioclase lattices. A vein of ep |
Philippines |
1 |
Camp Elliott |
| GRD047LS0 |
Basalt
|
Some amphibole. |
Philippines |
0 |
Camp Elliott |
