| GRD0258S0 |
Mafic
|
Dark green cut coarse-grained samples. Two pieces: ~5x4x4 cm and ~4x3x2 cm from the cut face. Large feldspar in hand sample. Billet pieces. Original label: 21 September, 1975. |
Pacific Ocean |
1 |
Ritter 154, 37 E |
| GRD025AS0 |
Mafic
|
One small (~5x3x4 cm) cut dark green coarse-grained sample. Feldspar laths, quartz?, and magnetite crystals. Billet pieces. Original label: 21 September, 1975. |
Pacific Ocean |
1 |
Ritter 154, 37 E |
| GRD025BS0 |
Mafic
|
One small (~5x4x2 cm) uncut dark green medium-grained sample. Feldspar laths, serpentine, and magnetite crystals. Original label: 21 September, 1975. |
Pacific Ocean |
0 |
Ritter 154, 37 E |
| GRD025CS0 |
Ultramafic
|
Two cut olive-green fine-grained samples, ~4x3x2.5 cm and ~6x3.5x3.5 cm, billet, thin white veins (quartz?). One uncut sample (~4x3x3 cm) is darker and more dense than the cut samples. Not the same sample as ERDC08-24D-2. Original label: 21 September, 1975. |
Pacific Ocean |
1 |
Ritter 154, 37 E |
| GRD025DS0 |
Mafic
|
Cut sample (originally ~6x6x6 cm subangular). Blue fine-grained with portions of sample Fe-stained. Thin white veins (quartz?). Slickenlines in hematite(?). Very dense. Billet piece. Not the same sample as ERDC-24D-2. Original label: 24 March, 1975, Type 2. |
Pacific Ocean |
1 |
Ritter 154, 37 E |
| GRD025ES0 |
Serpentinite
|
Small (~5x5x2 cm) dark green sample with dark blue-green crystalline interior. Olive-green mineral on surface may be serpentine. Sample looks altered. Billet and billet pieces. Thin section missing. Not the same sample as ERDC08-24D-4A. Original label: 21 September, 1975. |
Pacific Ocean |
0 |
Ritter 154, 37 E |
| GRD025FS0 |
Serpentinite
|
Very small (~3x2x0.5 cm) dark green sample (billet only). Fe-Mn crust on sample. |
Pacific Ocean |
1 |
Ritter 154, 37 E |
| GRD025KS0 |
Serpentinite
|
Multiple small pieces, the largest measures ~4.5x3x0.5 cm on cut face. Fine-grained purple clasts with green rinds in fine-grained green matrix. Billet and billet pieces. Very similar to ERDC-24D-8-1. Original label: 24 March, 1975. |
Pacific Ocean |
2 |
Ritter 154, 37 E |
| GRD025LS0 |
Serpentinite
|
Two small uncut pieces measuring ~4x4x1 cm and ~3x2x1 cm. Magnetite and feldspar in glassy green matrix. Original label: 24 March, 1975. |
Pacific Ocean |
0 |
Ritter 154, 37 E |
| 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 |
| GRD025QS0 |
Serpentinite
|
Two cut pieces measuring ~6x6.5x6 cm and ~6x7x1.5 cm from the cut faces. One uncut sample measuring ~6x6x2 cm. Light and dark green crystalline interior with patchy Fe-Mn crust. Interior shows dark green spots in blue-green crystalline matrix. Billet and billet pieces. Original label: 21 September, 1975. |
Pacific Ocean |
1 |
Ritter 154, 37 E |
| GRD025RS0 |
Serpentinite
|
One cut sample measuring ~4.5x3x3 cm on the cut face. Blue-green crystalline interior with a single white serpentine vein. Sample has patchy white crust. Billet and billet pieces. Original label: 21 September, 1975. |
Pacific Ocean |
2 |
Ritter 154, 37 E |
| GRD025SS0 |
Serpentinite
|
One cut sample measuring ~4.5x3x3 cm on the cut face. Blue-green crystalline interior with brown patch (Fe-oxide staining?). Billet and billet pieces. Original label: 21 September, 1975. |
Pacific Ocean |
1 |
Ritter 154, 37 E |
| GRD025TS0 |
Serpentinite
|
One cut sample measuring ~7x8.5x7 cm on the cut face. Blue-green crystalline interior with abundant tan/brown chrysotile. Patchy Fe-Mn crust on sample. Billet and billet pieces. Original label: 27 October, 1975. |
Pacific Ocean |
1 |
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 |
| GRD0262S0 |
Serpentinite
|
Two small cut (~4x3x3 cm and ~3.5x3.5x3 cm on cut faces) green samples. Darker wispy lenses of magnetite in light green groundmass. Patchy Fe-Mn crust on sample. Billet piece. |
Pacific Ocean |
0 |
Ritter 154, 37 E |
| GRD0263S0 |
Serpentinite
|
Two cut samples (~5x3x1.5 cm and ~5x5x4.5 cm on cut faces). Wispy lenses of magnetite in light green matrix. Billet pieces. Similar to ERDC08-27D-Q. |
Pacific Ocean |
1 |
Ritter 154, 37 E |
| GRD0264S0 |
Serpentinite
|
Four small samples: two are cut, two are not cut. The largest measures ~4x3x2.5 cm. Green interior with occasional tan chrysotile crystals. Patchy Fe-Mn crust on sample. |
Pacific Ocean |
0 |
Ritter 154, 37 E |
| GRD0265S0 |
Serpentinite
|
Sample missing. Thin section only. |
Pacific Ocean |
1 |
Ritter 154 |
| GRD0266S0 |
Serpentinite
|
Two large cut pieces. Coarse-grained, blue crystalline interior with occasional small pink spots (feldspar?) near the rim of the sample. Patchy Fe-Mn crust. Billet pieces. |
Pacific Ocean |
1 |
Ritter 154, 37 E |
| GRD0269S0 |
Serpentinite
|
Four pieces: two cut, two uncut. The largest cut sample measures ~6.5x3.5x2 cm from the cut face. Dark green crystalline interior with visible plagioclase laths. Patchy Fe-Mn crust on sample. Billet pieces. Original label: 28 March, 1975. |
Pacific Ocean |
0 |
Ritter 154, 37 E |
| GRD026KS0 |
Serpentinite
|
Large (measures ~8x6x4 cm from the cut face) sample with crystalline interior composed of blue feldspar, green serpentine, and dark pyroxene. Billet and billet pieces. Original label: 21 September, 1975. |
Pacific Ocean |
1 |
Ritter 154, 37 F |
| GRD026LS0 |
Serpentinite
|
Five small uncut samples (~4x2x2 cm). Chips in samples reveal a green medium-grained and fibrous interior. Original label: 29 March, 1975. |
Pacific Ocean |
0 |
Ritter 154, 37 F |
| GRD026PS0 |
Serpentinite
|
Small sample measuring ~4.5x2x4.5 from on the cut face. Medium-grained crystalline interior with abundant greenish pyroxene and serpentine. Billet. Original label: 21 September, 1975. |
Pacific Ocean |
1 |
Ritter 154, 37 F |
| GRD027AS0 |
Serpentinite
|
Large (~8x5x4 cm) green sample with abundant thin white calcite veins. Sample has high specific gravity. Billet. |
Pacific Ocean |
0 |
Ritter 154, 37 G |
| GRD027HS0 |
Serpentinite
|
Fine-grained blue crystalline sample with some green patches. Sample is cut and has high specific gravity. Billet and billet pieces. Original label: 21 October, 1967. Section cut July, 1971. |
Pacific Ocean |
0 |
Ritter 154, 37 G |
| GRD027IS0 |
Serpentinite
|
Fine-grained blueish crystalline sample with some green patches, and Fe-staining. Sample is cut and has high specific gravity. Original label: 21 October, 1967. Section cut July, 1971. |
Pacific Ocean |
0 |
Ritter 154, 37 G |
