| GRD01Z9S0 |
Andesite
|
Brown fine-grained sample with white clusters (glomerocrysts of feldspar and sphene). Original label: 10 November, 1980. |
Pacific Ocean |
1 |
Ritter 154, 37 A |
| GRD01ZAS0 |
Volcaniclastic Sediment
|
Multiple small pieces of brown brittle rocks with cross-cutting veins. Original label: 10 November, 1980. |
Pacific Ocean |
1 |
Ritter 154, 37 A |
| GRD01ZBS0 |
Andesite
|
Small cut sample. Dense rock with Fe-minerals and staining. Original label: 10 November, 1980. |
Pacific Ocean |
1 |
Ritter 154, 37 A |
| GRD01ZCS0 |
Rhyolite
|
Small cut pebble. Looks and feels like a dense form of pumice. Original label: 10 November, 1980. |
Pacific Ocean |
1 |
Ritter 154, 37 A |
| GRD01ZDS0 |
Andesite
|
Small cut sample. Green with white glomerocrysts. Original label: 10 November, 1980. |
Pacific Ocean |
1 |
Ritter 154, 37 A |
| GRD01ZES0 |
Mudstone
|
Light brown ball of mud. Original label: 10 November, 1980. |
Pacific Ocean |
0 |
Ritter 154, 37 A |
| GRD01ZFS0 |
Mudstone
|
Small light brown ball of mud. Original label: 10 November, 1980. |
Pacific Ocean |
0 |
Ritter 154, 37 A |
| GRD01ZGS0 |
Basalt
|
Large porphyritic extrusive sample. Creamy white feldspar glomerocrysts and occasional black amphibole in purple matrix. Green copper mineralization on one side of sample. Original label: 10 November, 1980. |
Pacific Ocean |
1 |
Ritter 154, 37 A |
| GRD01ZHS0 |
Andesite
|
Grey rock with white plagioclase laths/glomerocrysts. Original label: 10 November, 1980. |
Pacific Ocean |
1 |
Ritter 154, 37 A |
| GRD01ZIS0 |
Andesite
|
Small greenish porphyritic extrusive sample with large, dark plagioclase laths/glomerocrysts. Original label: 10 November, 1980. |
Pacific Ocean |
1 |
Ritter 154, 37 A |
| GRD01ZJS0 |
Andesite
|
Greenish and Fe-stained, prophyritic sample. Small plagioclase laths visible on cut surface. Original label: 10 November, 1980. |
Pacific Ocean |
1 |
Ritter 154, 37 A |
| GRD01ZKS0 |
Andesite
|
Greenish and Fe-stained sample. Porphyritic: small white plagioclase laths visible on cut surface. Original label: 10 November, 1980. |
Pacific Ocean |
1 |
Ritter 154, 37 A |
| GRD01ZLS0 |
Volcaniclastic Sediment
|
Cut, ~6 cm in diameter, greenish volcaniclastic rock. Small (~2 mm) white plagioclase laths visible. Finer-grained band in the middle of the sample. Billet pieces. Original label: 12 November, 1980; Type 1 |
Pacific Ocean |
1 |
Ritter 154, 37 A |
| GRD01ZMS0 |
Andesite
|
Large (~12 cm x 4.5 cm), cut sample. Dark green, fine-grained. Patchy Fe-Mn crust. Original label: 14 November, 1980. |
Pacific Ocean |
1 |
Ritter 154, 37 A |
| GRD01ZNS0 |
Andesite
|
Cut, small (~4 cm), dark green, very fine-grained. Lighter rim around edge of sample (alteration?). Patchy Fe-Mn crust on sample. Billet pieces. Original label: 14 November, 1980. |
Pacific Ocean |
1 |
Ritter 154, 37 A |
| GRD01ZOS0 |
Basalt
|
Light yellow-green, very fine-grained. Rust-colored rim around edge of sample. Patchy Fe-Mn crust on sample. Dense sample. Original label: 14 November, 1980. |
Pacific Ocean |
1 |
Ritter 154, 37 A |
| GRD01ZPS0 |
Basalt
|
Small (~5 x 3 cm) purple-grey sample. Aphanitic. Fe-Mn crust on part of sample. Original label: 14 November, 1980. |
Pacific Ocean |
1 |
Ritter 154, 37 A |
| GRD01ZQS0 |
Layered Gneiss
|
Potassium feldspar-quartz-garnet-amphibole (?). Coarse to very coarse-grained. Not the nicest example of a gneiss. |
California |
0 |
Camp Elliott |
| GRD01ZRS0 |
Crenulation Cleavage
|
Anthophyllite (tremolite) schist. Well-foliated with crenulation cleavage. |
New York |
0 |
Ritter 154, 24 I |
| GRD01ZSS0 |
Banded Iron Formation
|
Well-laminated. Polished surface. Layers of Fe-oxides (hematite and megnetite), shale, and quartz (chert). Microfaulting and crossing quartz veinlets. Original description: magnetite-jasper BIF. |
|
0 |
Camp Elliott |
| GRD01ZTS0 |
Basalt
|
Aphanitic, aphyric; fine-grained pyroxene and plagioclase |
New Zealand |
0 |
Ritter 154, 20 F |
| GRD01ZUS0 |
Non-layered Gneiss
|
Medium-sized sample of a gneiss composed of quartz-muscovite-plagioclase-pyrite (trace). Little to no banding present. |
|
1 |
Ritter 154, 24 B |
| GRD01ZVS0 |
Quartzite
|
Pink, medium-grained quartzite with red lenses of Fe-oxide mineralization (likely along fractures). Billet. |
|
0 |
Ritter 154, 14 L |
| GRD01ZWS0 |
Quartzite
|
Fine- to medium-grained white quartzite with some molybdenite along a fracture/surface. Original description: molybdenite-bearing quartzite. |
|
0 |
Ritter 154, 14 L |
| GRD01ZXS0 |
Quartzite
|
Large sample of pink fine- to medium-grained quartzite with white coarse-grained wollastonite inclusion. Occasional black flecks along margin of the inclusion. |
|
0 |
Ritter 154, 24 M |
| GRD01ZYS0 |
Serpentinite
|
Very fine-grained (almost glassy) brown serpentinite. Small sample with cream-colored veinlets. |
|
1 |
Ritter 154, 14 M |
| GRD01ZZS0 |
Impure Marble
|
Marble with relict bedding. The light beds are composed of carbonate. The dark beds are carbonaceous carbonate. Some Fe-staining along fractures. Original description: carbonaceous marble. |
California |
0 |
Ritter 154, 14 J |
| GRD0200S0 |
Gabbro
|
Hypidiomorphic granular, medium-grained, Pyroxene-plagioclase-quartz. Original description: Gabbroic or dioritic plutonic rock, continental type rock, Age Precambrian?, New Zealand Suite. |
New Zealand |
0 |
Ritter 154, 16 D |
| GRD0200S1 |
Gabbro
|
Hypidiomorphic granular, medium-grained, Pyroxene-plagioclase-quartz. Original description: Gabbroic or dioritic plutonic rock, continental type rock, Age Precambrian?, New Zealand Suite. |
New Zealand |
0 |
Ritter 154, 16 D |
| GRD0201S0 |
Non-layered Gneiss
|
Slightly foliated and banded; Leucocratic layer is composed of potassium feldspar-quartz-amphibole. Melanocratic layer is composed of phologopite-biotite-amphibole. |
|
0 |
Ritter 154, 24 A |
