| GRD01YGS0 |
Calcite Marble
|
Layering (relict bedding?) in coarse-grained marble. Granular (weathered). Minor amount of red and green mineralization. |
|
0 |
Ritter 154, 14 J |
| GRD01YHS0 |
Folds
|
Fine-grained, finely banded marble with tight folds. Relict fossil (?) or porphyroblast. |
Darwin Area |
0 |
Ritter 154, 14 P |
| GRD01YIS0 |
Quartzite
|
Mariposite Marble. Quartzite with green mineralization and large white veins. Original description: fuchsite- and mariposite- bearing rock. Billet. See also M-363. |
California |
0 |
Ritter 154, 14 L |
| GRD01YIS1 |
Quartzite
|
Mariposite Marble. Quartzite with green mineralization and large white veins. Original description: fuchsite- and mariposite- bearing rock. Billet. See also M-363. |
California |
0 |
Ritter 154, 24 F |
| GRD01YJS0 |
Quartzite
|
Mariposite Marble. Quartzite with green mineralization and large white veins. Original description: fuchsite- and mariposite- bearing rock. Billet. See also M-418. |
California |
0 |
Ritter 154, 24 F |
| GRD01YKS0 |
Calcite Marble
|
Contact between coarse-grained light and dark marbles. Light marble becomes more fine-grained closer to dark marble. Rust blebs in dark marble. |
Arizona |
1 |
Ritter 154, 14 J |
| GRD01YLS0 |
Calcite Marble
|
Fine-grained marble cut by veinlets. Impure limestone protolith (?). |
Arizona |
1 |
Ritter 154, 14 J |
| GRD01YMS0 |
Impure Marble
|
Small sample of a coarse-grained marble. Nice cleavage faces on calcite and muscovite. Books of muscovite and small metallic flecks (trace). See also M-58 and M-59. |
|
0 |
Ritter 154, 14 J |
| GRD01YNS0 |
Impure Marble
|
Calcite-phlogopite-muscovite-plagioclase-quartz marble. Generally coarse-grained. Poorly foliated with granoblastic texture. |
Alpine |
5 |
Ritter 154, 3 H |
| GRD01YOS0 |
Impure Marble
|
Fine-grained grey and white marble. Relict bedding or structure? Large, euhedral oxidized pyrite porphyroblasts. Original description: dolomite marble, contains sulfides. |
|
0 |
Ritter 154, 14 J |
| GRD01YPS0 |
Eclogite
|
Small sample; Red pyrope porphyrobasts in green omphasite-chlorite matrix; minor amount of muscovite (associated with the garnets); Franciscan. Original description: Retrograde chlorite eclogite. |
California |
0 |
Ritter 154, 14 N |
| GRD01YQS0 |
Eclogite
|
Small red pyrope porphyrobasts in fine-grained green omphasite-chlorite matrix. Original description: Eclogite. Omphasite-a green pyroxene, Pyrope Almadine, a red garnet. Highest P+T faces. |
California |
0 |
Ritter 154, 14 N |
| GRD01YRS0 |
Eclogite
|
Two slabs and a block of eclogite. Small red garnet porphyrobasts in green omphasite-chlorite matrix. Medium-grained. |
|
1 |
Ritter 154, 14 N |
| GRD01YSS0 |
Amphibole Schist
|
Spotted garnet amphibole schist. Amphibole-quartz-chalcopyrite-euhedral porphyroblasts of garnet. The garnet is mostly in a band. |
|
0 |
Ritter 154, 14 G |
| GRD01YTS0 |
Greenschist
|
Chlorite-cordierite-epidote, sphene-magnetite-quartz-biotite schist. Chlorite schist with magnetite porphyroblasts and uniaxial positive first order grey porphyroblasts (cordierite?). |
New Zealand |
5 |
Ritter 154, 3 H |
| GRD01YUS0 |
Relict Textures
|
Well-foliated. Stretched quartzite pebbles (~3 in length). Chlorite-biotite-muscovite schist between pebbles. |
California |
0 |
Ritter 154, 14 O |
| GRD01YVS0 |
Basalt
|
Dense, green porphyritic extrusive rock with billet. Glomerocrysts of plagioclase visible. Original label: 8 November, 1980. |
Pacific Ocean |
1 |
Ritter 154, 37 A |
| GRD01YWS0 |
Basalt
|
Dense extrusive rock with billet. Glomerocrysts of dark-colored plagioclase visible. Original label: 8 November, 1980. |
Pacific Ocean |
1 |
Ritter 154, 37 A |
| GRD01YXS0 |
Basalt
|
Dense extrusive rock with billet. Brown matrix between cream-colored glomerocrysts of plagioclase. Original label: 8 November, 1980. |
Pacific Ocean |
1 |
Ritter 154, 37 A |
| GRD01YYS0 |
Gabbro
|
Small sample with billet. Plagioclase, olivine, and oxides visible in hand sample. Original label: 8 November, 1980. |
Pacific Ocean |
1 |
Ritter 154, 37 A |
| GRD01YZS0 |
Andesite
|
Small green sample. Teal/blueish mineralization in hand sample. Original label: 8 November, 1980. |
Pacific Ocean |
1 |
Ritter 154, 37 A |
| GRD01Z0S0 |
Silicates
|
Small hand sample. Chalcedony. Original label: 8 November, 1980. |
Pacific Ocean |
0 |
Ritter 154, 37 A |
| GRD01Z1S0 |
Basalt
|
Small vesicular sample with orange, red, and white crystal growth in the vesicles. Original label: 8 November, 1980. |
Pacific Ocean |
1 |
Ritter 154, 37 A |
| GRD01Z2S0 |
Siltstone
|
Intervals of purple and grey limey mudstone. Original label: 8 November, 1980. |
Pacific Ocean |
1 |
Ritter 154, 37 A |
| GRD01Z3S0 |
Micritic Limestone
|
Mottled purple and grey limestone. Billet. Thin section missing. Original label: 8 November, 1980. |
Pacific Ocean |
0 |
Ritter 154, 37 A |
| GRD01Z4S0 |
Grainstone
|
Large uncut sample of fine- to medium-grained sand and shell material. Original label: 8 November, 1980. |
Pacific Ocean |
0 |
Ritter 154, 37 A |
| GRD01Z5S0 |
Andesite
|
Small brown sample. Glomerocrysts of plagioclase visible in hand sample. Original label: 8 November, 1980. |
Pacific Ocean |
1 |
Ritter 154, 37 A |
| GRD01Z6S0 |
Andesite
|
Small cut sample of a greenish extrusive rock. Original label: 9 November, 1980. |
Pacific Ocean |
1 |
Ritter 154, 37 A |
| GRD01Z7S0 |
Andesite
|
Small cut greenish extrusive pebble. Original label: 9 November, 1980. |
Pacific Ocean |
1 |
Ritter 154, 37 A |
| GRD01Z8S0 |
Mudstone
|
Small bag of mud. Friable. Original label: 9 November, 1980. |
Pacific Ocean |
0 |
Ritter 154, 37 A |
