| GRD02DYS0 |
Dolostone
|
Light grey dolomite with abundant fractures. Original description: Roberts Mountains. Lone Mountain. |
Nevada |
2 |
Ritter 154, 18 H |
| GRD02DZS0 |
Dolostone
|
Mottled dolomite with white crystalline spots. Original description: Roberts Mountains dolomite with algal structure. |
Nevada |
1 |
Ritter 154, 21 J |
| GRD02E0S0 |
Dolostone
|
Small brown bedded sample. Original description: Lone Mountain Dolomite. |
Nevada |
1 |
Ritter 154, 21 J |
| GRD02E1S0 |
Graded Beds
|
Brown bedded sample. Two congolmerate beds with three finely-grained beds between. Original description: Lone Mountain Dolomite. |
Nevada |
1 |
Ritter 154, 2 C |
| GRD02E2S0 |
Micritic Limestone
|
Large pink sample with limestone nodules and ammonites. Rosso Ammonitico? Billet. |
|
1 |
Ritter 154, 21 E |
| GRD02E3S0 |
Mudstone
|
Purple and green shale. Billet. |
Italy |
1 |
Ritter 154, 17 J |
| GRD02E4S0 |
Serpentinite
|
Serpentinite. Contains magnetite. Billet. Probably from Ligurian ophiolite. |
Italy |
1 |
Ritter 154, 14 M |
| GRD02E5S0 |
Lithic Sandstone
|
Serpentinite/gabbro sandstone. Billet. Probably from Ligurian ophiolite. Original description: Serpentinite/gabbro sandstone. Lower part of graded bed. |
Italy |
1 |
Ritter 154, 17 F |
| GRD02E6S0 |
Lithic Sandstone
|
Serpentinite/gabbro sandstone. Billet. Probably from Ligurian ophiolite. Original description: Serpentinite/gabbro sandstone. Middle part of thick graded bed. |
Italy |
1 |
Ritter 154, 17 F |
| GRD02E7S0 |
Breccia
|
Serpentinite/gabbro breccia. Red matrix. Billet. Probably from Ligurian ophiolite. |
Italy |
1 |
Ritter 154, 17 B |
| GRD02E8S0 |
Gabbro
|
Medium-grained gabbro. Carbonate veins. Billet. Probably from Ligurian ophiolite. |
Italy |
1 |
Ritter 154, 16 D |
| GRD02E9S0 |
Breccia
|
Large sample. Abundant large carbonate veins. Aggregates of green minerals (serpentine?) Red patches. Probably from Ligurian ophiolite. |
Italy |
2 |
Ritter 154, 17 I |
| GRD02E9S1 |
Breccia
|
Large sample. Abundant large carbonate veins. Aggregates of green minerals (serpentine?) Red patches. Probably from Ligurian ophiolite. |
Italy |
0 |
Ritter 154, 23 M |
| GRD02EAS0 |
Micritic Limestone
|
Pink nodular limestone. Rosso Ammonitico? |
Italy |
1 |
Ritter 154, 18 D |
| GRD02EBS0 |
Diamictite
|
Diamictite. Polymictic clasts in a green matrix. Clasts range from 5 mm to 1.5 cm. Granville formation? Original description: Pebbly mudstone, lower part of P.M. unit. 8/2/1960. |
France |
0 |
Ritter 154, 17 B |
| GRD02ECS0 |
Diamictite
|
Diamictite. Small granitic clasts in a gray matrix. Clasts range from 1 cm to 1.5 cm. Gowganda Formation. Original description: Gowganda. Ovenshine. |
Canada |
0 |
Ritter 154, 17 B |
| GRD02ECS1 |
Diamictite
|
Diamictite. Small granitic clasts in a gray matrix. Clasts range from 1 cm to 1.5 cm. Gowganda Formation. Original description: Gowganda. Ovenshine. |
Canada |
0 |
Ritter 154, 23 C |
| GRD02EDS0 |
Calcite Marble
|
Grey coarse-grained marble. Very nice crystals. |
California |
0 |
Ritter 154, 14 J |
| GRD02EDS1 |
Calcite Marble
|
Grey and white coarse-grained marble. Very nice crystals. |
California |
0 |
Ritter 154, 24 E |
| GRD02EES0 |
Folds
|
Folded carbonate. Some layers are visible, one of which contains a small amount of mica. |
|
0 |
Ritter 154, 24 I |
| GRD02EFS0 |
Granulite
|
Quartz-biotite-garnet. Garnet porphyroblasts. |
|
0 |
Ritter 154, 24 E |
| GRD02EFS1 |
Granulite
|
Quartz-biotite-garnet. Garnet porphyroblasts. |
|
0 |
Ritter 154, 14 N |
| GRD02EGS0 |
Phyllite
|
Slab of black phyllite. Perfect slaty cleavage. Books of mica at oblique angles to cleavage. |
|
0 |
Ritter 154, 14 E |
| GRD02EHS0 |
Mylonite
|
Quartz-plagioclase-biotite schistose gneiss. Well-foliated and medium- to coarse-grained. |
California |
0 |
Ritter 154, 14 R |
| GRD02EIS0 |
Amphibole Schist
|
Actinolite-biotite-muscovite (trace) schist. Large, green sample. |
California |
0 |
Ritter 154, 24 M |
| GRD02EJS0 |
Migmatitic Gneiss
|
Original description: Migmatite granitic dike mixed with pelitic garnet-biotite schist. T35 R43. |
California |
0 |
Ritter 154, 24 B |
| GRD02EKS0 |
Non-layered Gneiss
|
Feldspar-quartz-biotite-amphibole (?) gneiss. Poorly developed banding; thin wisps of biotite. |
|
0 |
Ritter 154, 24 A |
| GRD02ELS0 |
Non-layered Gneiss
|
Quartz-biotite-garnet gneiss. Poorly developed banding; thin wisps of biotite. |
|
0 |
Ritter 154, 24 A |
| GRD02EMS0 |
Calcsilicate (Skarn)
|
Coarse-grained calcsilicate. Very soft (Mohs hardness ~2). Chicken-wire appearance of dark rings. |
|
0 |
Ritter 154, 14 K |
| GRD02ENS0 |
Schist
|
Orocopia Schist. Muscovite-biotite-quartz-hornblende (?) schist. |
California |
0 |
Ritter 154, 24 M |
