GRD023ZS0 |
Ultramafic Extrusive
|
Small (~3x2x2 cm from cut face) very fine-grained grey sample with very thin cris-crossing white veins. Patchy Fe-Mn crust on sample. Original label: 26 November, 1980. |
Pacific Ocean |
1 |
Ritter 154, 37 C |
GRD02RNS0 |
Komatiite
|
Komatiite showing diagnostic spinifex texture. Olivine, Cpx, Serpentine, Magnetite. |
|
5 |
Ritter 154, 3 F |
GRD0455S0 |
Ultramafic Extrusive
|
Perifotitic komatiite flow. Chilled and fractured top of flow. A1 |
Canada |
0 |
Ritter 154, 29 K |
GRD0455S1 |
Ultramafic Extrusive
|
Peridotitic komatiite flow. Chilled and fractured top of flow. A1 |
Canada |
0 |
Ritter 154, 29 K |
GRD0456S0 |
Ultramafic Extrusive
|
Fine spinifex zone. A2 |
Canada |
2 |
Ritter 154, 16 L |
GRD0457S0 |
Ultramafic Extrusive
|
Coarse spinifex zone. A2 |
Canada |
0 |
Ritter 154, 16 L |
GRD0458S0 |
Ultramafic Extrusive
|
Foliated spinifex zone. B1 |
Canada |
0 |
Ritter 154, 29 K |
GRD0459S0 |
Ultramafic Extrusive
|
Cumulate zone. B2 |
Canada |
0 |
Ritter 154, 16 L |
GRD0459S1 |
Ultramafic Extrusive
|
Cumulate zone. B2 |
Canada |
0 |
Ritter 154, 16 L |
GRD045BS0 |
Ultramafic Extrusive
|
Chilled base of flow . B4 |
Canada |
0 |
Ritter 154, 29 K |
GRD045BS1 |
Ultramafic Extrusive
|
Chilled base of flow. B4 |
Canada |
0 |
Ritter 154, 29 K |
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 |
GRD04E2S0 |
Ultramafic Extrusive
|
olivine, phlogopite-bearing lava |
South Africa |
0 |
Ritter 154, 16 L |