| GRD042NS0 |
Ripples
|
|
Eastern Grand Canyon. Monenkopi |
0 |
|
| GRD042OS0 |
Sandstone
|
Wingate sandstone. Triassic-Jurassic. |
Nera ft. Apache AZ |
0 |
|
| GRD042PS0 |
Organic
|
Origin unknown. |
|
0 |
|
| GRD042QS0 |
Limestone
|
Antelope Valley Valley formation. Meikeljohn Peak. Nodular limestone adjacent to MJ peak mud mound. |
Nevada |
0 |
|
| GRD042RS0 |
Basalt
|
olivine-phyric basalt, 1960 Hawaii flow |
Hawaii |
0 |
Ritter 154, 20 F |
| GRD042SS0 |
Sheet Flow
|
thick (5 mm) glassy rind, bluish (intersertal) texture on base |
|
0 |
Ritter 154, 16 Q |
| GRD042TS0 |
Sheet Flow
|
aphyric sheet flow with glassy drain back features on base |
Pacific Ocean |
0 |
Ritter 154 |
| GRD042US0 |
Sheet Flow
|
plag-phyric sheet flow |
Pacific Ocean |
0 |
Ritter 154 |
| GRD042VS0 |
Igneous Structures
|
|
|
0 |
Ritter 154 |
| GRD042WS0 |
Calcsilicate (Skarn)
|
contact between coarse, subhedral amphibolite and coarse grained pink calcite with ox |
Canada |
0 |
Ritter 154, 14 K |
| GRD042XS0 |
Ankaramite
|
ankaramite with 30% pyroxene, 15% olivine |
Raratonga, Cook Islands |
0 |
Ritter 154, 16 J |
| GRD042YS0 |
Metamorphic Structures
|
mylonite, two samples |
|
0 |
Ritter 154, 14 O |
| GRD042ZS0 |
Igneous Structures
|
olivine basalt or basanite with abundant ultramafic xenoliths, Leone Volcanics, likely from dike |
American Samoa |
0 |
Ritter 154, 16 O |
| GRD0430S0 |
Andesite
|
Plagioclase and Pyroxene bearing andesite. |
Mexico |
2 |
Ritter 154, 16 A |
| GRD0431S0 |
Granite
|
Coarse grained Granite |
South Carolina |
2 |
Ritter 154, 3 D |
| GRD0432S0 |
Pyroxenite
|
Excellent, fresh pyroxenite |
California |
2 |
Ritter 154, 3 D |
| GRD0433S0 |
Andesite
|
Hornblende Diorite Porphyry. Bull Mountain Bysmalith. Dynamited boulder from roadside |
Utah |
2 |
Ritter 154, 16 B |
| GRD0433S1 |
Diorite
|
Hornblende Diorite Porphyry. Bull Mountain Bysmalith. Dynamited boulder from roadside |
Utah |
2 |
Ritter 154, 19 E |
| GRD0434S0 |
Andesite
|
Hornblende Diorite Porphyry. Large euhedral hornblende. Float, Bull Creek. |
Utah |
4 |
Ritter 154, 3 D |
| GRD0435S0 |
Amphibolite
|
Seminoe Mountain Greenstone Belt |
Wyoming |
0 |
Ritter 154, 14 G |
| GRD0436S0 |
Monzonite
|
Monzosyenite. Part of Sybille intrusion. Perthitic black K-spar, plagioclase, augite, orthopyroxene, inverted pigeonite, fayalitic olivine, and ilmenite. Dark K-spar color due to numerous oxide inclusions. |
Wyoming |
0 |
Ritter 154, 15 E |
| GRD0437S0 |
Ankaramite
|
Large pyroxene and olivine bearing sample |
Tahiti Iti, Vaitepiha Valley, French Polynesia, North side of Island |
0 |
Ritter 154, 16 J |
| GRD0437S1 |
Ankaramite
|
Large pyroxene and olivine bearing sample |
Tahiti Iti, Vaitepiha Valley, French Polynesia, North side of Island |
0 |
Ritter 154, 20 G |
| GRD0438S0 |
Pyroxenite
|
Stolzburg Ultramafic Complex. Orthopyroxenite. Two moderate sized samples of exceptional, fresh orthopyroxenite. |
South Africa |
1 |
Ritter 154, 3 D |
| GRD0438S1 |
Pyroxenite
|
Stolzburg Ultramafic Complex. Orthopyroxenite. Two moderate sized samples of exceptional, fresh orthopyroxenite. |
South Africa |
1 |
Ritter 154, 16 R |
| GRD0439S0 |
Pyroxenite
|
Stolzburg Ultramafic Complex. Orthopyroxenite. Large sample of exceptional, fresh orthopyroxenite. Lowest pyroxenite band in sequence |
South Africa |
1 |
Ritter 154, 3 D |
| GRD0439S1 |
Pyroxenite
|
Stolzburg Ultramafic Complex. Orthopyroxenite. Large sample of exceptional, fresh orthopyroxenite. Lowest pyroxenite band in sequence |
South Africa |
1 |
Ritter 154, 16 L |
| GRD0439S2 |
Pyroxenite
|
Stolzburg Ultramafic Complex. Orthopyroxenite. Large sample of exceptional, fresh orthopyroxenite. Lowest pyroxenite band in sequence |
South Africa |
1 |
Ritter 154, 20 J |
| GRD043AS0 |
Andesite
|
Hornblende Andesite Porphyry |
France |
0 |
Ritter 154, 20 C |
| GRD043AS1 |
Andesite
|
Hornblende Andesite Porphyry |
France |
0 |
Ritter 154, 20 C |
