GRD045HS0 |
Gabbro
|
Gabbro with acicular pyroxene, about 10 feet lower than specimen 12, transition into gabbro zone. |
Canada |
2 |
Ritter 154, 29 K |
GRD045IS0 |
Gabbro
|
Gabbro |
Canada |
0 |
Ritter 154, 29 K |
GRD045JS0 |
Peridotite
|
Peridotite at base of Freds Flow |
Canada |
0 |
Ritter 154, 29 K |
GRD045JS1 |
Peridotite
|
Peridotite at base of Freds Flow |
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 |
GRD045MS0 |
Pyroxenite
|
Pyroxenite, fine grained, near top of flow and below UMF-17 |
Canada |
0 |
Ritter 154, 29 K |
GRD045NS0 |
Gabbro
|
Relatively fine grained gabbro with pyrite |
Canada |
0 |
Ritter 154, 29 K |
GRD045NS1 |
Gabbro
|
Relatively fine grained gabbro with pyrite |
Canada |
0 |
Ritter 154, 29 K |
GRD045OS0 |
Pyroxenite
|
Pyroxenite near base of Freds Flow |
Canada |
0 |
Ritter 154, 29 K |
GRD045OS1 |
Pyroxenite
|
Pyroxenite near base of Freds Flow |
Canada |
0 |
Ritter 154, 29 K |
GRD045PS0 |
Peridotite
|
Serpentinized peridotite base of Theos Flow. There is not much peridotite exposed. It is spotty. Some specimens may be transition from pyroxenite. |
Canada |
0 |
Ritter 154, 29 K |
GRD045PS1 |
Peridotite
|
Serpentinized peridotite base of Theos Flow. There is not much peridotite exposed. It is spotty. Some specimens may be transition from pyroxenite. |
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 |
GRD045US0 |
Felsic Intrusive
|
Hydrated Monzosyenite. Granite dike in Sybille monzosyenite dike, pinkish hue due to olivine being converted to hornblende. |
Wyoming |
0 |
Ritter 154, 15 E |
GRD045US1 |
Felsic Intrusive
|
Hydrated Monzosyenite. Granite dike in Sybille monzosyenite dike, pinkish hue due to olivine being converted to hornblende. |
Wyoming |
0 |
Ritter 154, 15 E |
GRD045VS0 |
Monzonite
|
Quartz Monzonite |
California |
3 |
Ritter 154, 15 E |
GRD045WS0 |
Granodiorite
|
Mafic enclave and host granodiorite |
California |
4 |
Ritter 154, 15 O |
GRD045XS0 |
Intermediate Intrusive
|
Summit hybrid rock |
California |
2 |
Ritter 154, 15 N |
GRD0460S0 |
Granodiorite
|
|
California |
2 |
Ritter 154, 15 N |
GRD0462S0 |
Granodiorite
|
Hybrid Rock |
California |
2 |
Ritter 154, 15 N |
GRD0465S0 |
Basalt
|
Yakima Basalt. Late Miocene-Early Pliocene |
Washington |
2 |
Ritter 154, 3 F |