| GRD01VAS0 |
Amphibolite
|
Plagioclase-amphibole-biotite-garnet. Granoblastic texture with clots of garnet and biotite. Original description: Ga?-B-Q gneiss. Garnet is pinkish, may be spessertine. |
|
0 |
Ritter 154, 14 G |
| GRD022AS0 |
Amphibolite
|
Large black crystalline (~8 cm) sample. Largest crystals are amphibole, interstital white crystals. Billet pieces. Original label: 23 November, 1980. |
Pacific Ocean |
1 |
Ritter 154, 37 B |
| GRD0242S0 |
Amphibolite
|
Large (~9x6x7 cm from the cut face) cut sample. Black crystalline interior. Patchy Fe-Mn crust on sample. Billet pieces. Original label: 28 November, 1980. |
Pacific Ocean |
1 |
Ritter 154, 37 D |
| GRD0243S0 |
Amphibolite
|
Medium-sized (~7x3.5x4.5 cm from the cut face) cut sample. Black crystalline with a patchy white rind. Billet pieces. Original label: 28 November, 1980. |
Pacific Ocean |
1 |
Ritter 154, 37 D |
| GRD0247S0 |
Amphibolite
|
Small uncut sample broken in half. Originally ~6x6x1.5 cm. Chip in sample reveals black (almost metallic-like luster) crystalline interior. White-rind. Original label: 28 November, 1980. |
Pacific Ocean |
0 |
Ritter 154, 37 D |
| GRD0248S0 |
Amphibolite
|
Cut large sample measuring ~8.5x3.5x4 cm from the cut face. Black (almost metallic-like luster) crystalline interior, some crystals seem to be aligned. Cut slab and billet pieces. Original label: 28 November, 1980. |
Pacific Ocean |
1 |
Ritter 154, 37 D |
| GRD025MS0 |
Amphibolite
|
Two large cut pieces measuring ~11x6x6 cm and ~11x6x4 cm from the cut face. Bag of rock chips. Occasional green crystals in green fine-grained matrix with patchy Fe-Mn crust. Billet. |
Pacific Ocean |
2 |
Ritter 154, 37 E |
| GRD025XS0 |
Amphibolite
|
Two uncut samples measuring ~4x2x2 cm and ~3x2x2 cm from the cut face. Dark green crystalline interior. Billet. Original label: Blue-green hornblende, amphibolite. |
Pacific Ocean |
2 |
Ritter 154, 37 E |
| GRD025YS0 |
Amphibolite
|
Two cut samples measuring ~3x2x1 cm and ~3.5x1.5x0.5 cm from the cut face. Four small uncut pebbles in a bag. Dark green crystals in white powdery matrix. Billet. Original label: 27 October, 1975. |
Pacific Ocean |
1 |
Ritter 154, 37 E |
| GRD0260S0 |
Amphibolite
|
Small uncut sample composed of dark green amphibole and white/clear quartz. |
Pacific Ocean |
0 |
Ritter 154, 37 E |
| GRD0261S0 |
Amphibolite
|
Abundant blue-green amphibole with occasional Fe-oxide rust crystals and dark grey cubes of magnetite. High specific gravity. |
Pacific Ocean |
1 |
Ritter 154, 37 E |
| GRD02ALS0 |
Amphibolite
|
Fine-grained pyroxene/amphibole-plagioclase. Original label: fine-grained gneiss. |
California |
0 |
Ritter 154, 14 G |
| GRD02BTS0 |
Amphibolite
|
Abundant dark green amphibole with white interstitial mineral. Slight foliation. |
|
2 |
Ritter 154, 14 G |
| GRD02UDS0 |
Amphibolite
|
Pinto Gneiss, amphibolite. 11/28/96 |
California |
1 |
Ritter 154, 24 B |
| GRD041US0 |
Amphibolite
|
Occurs as huge blocks in serpentinite. |
Puerto Rico |
0 |
Ritter 154, 29 L |
| GRD0435S0 |
Amphibolite
|
Seminoe Mountain Greenstone Belt |
Wyoming |
0 |
Ritter 154, 14 G |
| GRD043DS0 |
Amphibolite
|
fresh amphibolite with grains ranging 1 to 2 mm |
New York |
0 |
Ritter 154, 14 G |
| GRD043ES0 |
Amphibolite
|
very fresh amphibolite sample with moderate lineation |
New York |
1 |
Ritter 154, 14 G |
| GRD043FS0 |
Amphibolite
|
very fresh amphibolite with leucocratic bands |
New York |
1 |
Ritter 154, 14 G |
| GRD043GS0 |
Amphibolite
|
Nice thin section |
Utah |
1 |
Ritter 154, 14 G |
| GRD046RS0 |
Amphibolite
|
Intensly sheared and recrystallized gneissose amphibolite layers of amphibolite and zoisite. |
Philippines |
1 |
Ritter 154, 14 G |
| GRD0470S0 |
Amphibolite
|
Strongly lineated hornblende crystals |
Canada |
3 |
Ritter 154, 14 G |
| GRD0475S0 |
Amphibolite
|
Layered amphibolite. Gneissic texture. |
Philippines |
0 |
Ritter 154, 28 F |
| GRD047GS0 |
Amphibolite
|
80 to 90 percent green amphibole , slight blueish tinge, around 5 percent interstitial plagioclase, some ep, chl in good-sized crystals. sphene included in amphibole. |
Philippines |
1 |
Ritter 154, 28 F |
| GRD047NS0 |
Amphibolite
|
Hornblende gabbro. Pale amphibole, lots of plagioclase, schistose. An 95-96. Magnesium Hbl. |
Philippines |
0 |
Ritter 154, 28 F |
| GRD0486S0 |
Amphibolite
|
Foliated, verging on gneissic texture. |
Philippines |
1 |
Ritter 154, 28 F |
| GRD049CS0 |
Amphibolite
|
Garnet amphibolite. |
Philippines |
0 |
Ritter 154, 28 F |
| GRD049DS0 |
Amphibolite
|
Slightly altered garnet amphibolite. |
Philippines |
1 |
Ritter 154, 28 F |
| GRD049HS0 |
Amphibolite
|
Colorless amphibole, a small amount of plag. |
Philippines |
1 |
Ritter 154, 28 F |
| GRD049QS0 |
Amphibolite
|
Schistose texture with broad folds. |
Philippines |
0 |
Camp Elliott |
