| GRD021OS0 |
Conglomerate
|
Large (~8 cm in diameter) uncut black-brown conglomerate. Fine-grained yellowish and tan rounded clasts approximately 3 mm in diameter in black very fine-grained matrix. Friable. Some biotite and plagioclase crystals in matrix. Volcaniclastic? Original label: 20 November, 1980. |
Pacific Ocean |
0 |
Ritter 154, 37 B |
| GRD021PS0 |
Pyroxenite
|
Two black, fine-grained crystalline samples. One is uncut and the other is a slab (~5x2 cm). Billet. Original label: 20 November, 1980. |
Pacific Ocean |
1 |
Ritter 154, 37 B |
| GRD021QS0 |
Pyroxenite
|
Black, fine-grained crystalline sample. ~5 cm in diameter. Green serpentine on one side. Billet. Original label: 20 November, 1980. |
Pacific Ocean |
1 |
Ritter 154, 37 B |
| GRD021RS0 |
Pyroxenite
|
Dark green, fine-grained crystalline sample with tan limey crust. ~5 x 2 cm. Billet pieces. Original label: 20 November, 1980. |
Pacific Ocean |
1 |
Ritter 154, 37 B |
| GRD021SS0 |
Pyroxenite
|
Large (~8 cm in diameter) dark green, fine-grained crystalline sample with tan limey crust. Billet pieces. Original label: 20 November, 1980. |
Pacific Ocean |
1 |
Ritter 154, 37 B |
| GRD021TS0 |
Pyroxenite
|
Medium (~5x2 cm) dark green, fine-grained crystalline sample capped by a thin layer with white interstitial material between pyroxene crystals. Billet pieces. Original label: 20 November, 1980. |
Pacific Ocean |
1 |
Ritter 154, 37 B |
| GRD021US0 |
Pumice
|
Three small (~3 cm in diameter)pumice samples. Two cut and one uncut. Billet pieces. Original label: 20 November, 1980. |
Pacific Ocean |
1 |
Ritter 154, 37 B |
| GRD021VS0 |
Serpentinite
|
Large, cut sample (~9x8x5 cm from cut face) olive green sample with magnetite lenses. Fe-Mn crust on sample. Billet pieces. Original label: 20 November, 1980. |
Pacific Ocean |
1 |
Ritter 154, 37 B |
| GRD021WS0 |
Pyroxenite
|
Large (~11x8 cm) sample. sheared? Billet pieces. Original label: 20 November, 1980. |
Pacific Ocean |
1 |
Ritter 154, 37 B |
| GRD021XS0 |
Serpentinite
|
Medium-sized (~6x4x4.5 cm from the cut face) sample composed of light green and black-dark green spots of serpentine. Abundant magnetite. Billet pieces. Original label: 20 November, 1980. |
Pacific Ocean |
1 |
Ritter 154, 37 B |
| GRD021YS0 |
Siltstone
|
Small (~4x2 mm) sample of a fine-grained mudstone interior with a rim of ~1 to 4 mm clasts in fine-grained matrix. Three small pieces. Original label: 20 November, 1980. |
Pacific Ocean |
1 |
Ritter 154, 37 B |
| GRD021ZS0 |
Basalt
|
Dense, small (~7x4 cm) sample. Fine-grained purple groundmass with white flecks (feldspar glomerocrysts) and Fe-rust blebs. Billet pieces. Original label: 21 November, 1980. |
Pacific Ocean |
1 |
Ritter 154, 37 B |
| GRD0220S0 |
Basalt
|
Small (~3x2 cm) black triangular slab. Original label: 21 November, 1980. |
Pacific Ocean |
0 |
Ritter 154, 37 B |
| GRD0221S0 |
Serpentinite
|
Large (~8 cm in diameter) uncut dark green sample with a few patches of dull grey magnetite and light green serpentinite. Patchy Fe-Mn crust on sample. Original label: 20 November, 1980. |
Pacific Ocean |
0 |
Ritter 154, 37 B |
| GRD0222S0 |
Serpentinite
|
Small (~3 cm in diameter) uncut blue-green sample with light green serpentine and patches of magnetite on the surface. Original label: 20 November, 1980. |
Pacific Ocean |
0 |
Ritter 154, 37 B |
| GRD0223S0 |
Serpentinite
|
Small (~3 cm in diameter) uncut blue-green sample with light green serpentine, patches of magnetite, and Fe-oxide stains on the surface. Original label: 20 November, 1980. |
Pacific Ocean |
0 |
Ritter 154, 37 B |
| GRD0224S0 |
Serpentinite
|
Large (~8 cm in diameter) uncut sample. Earthy cream-colored surface, but patches in the surface reveal a vitreous light green interior with occasional black crystals (magnetite?). Original label: 20 November, 1980. |
Pacific Ocean |
0 |
Ritter 154, 37 B |
| GRD0225S0 |
Serpentinite
|
Medium-sized (~9x6x4 cm) uncut sample. Earthy cream-colored surface, but patches reveal a vitreous light green interior with occasional black crystals (magnetite?). Original label: 20 November, 1980. |
Pacific Ocean |
0 |
Ritter 154, 37 B |
| GRD0226S0 |
Serpentinite
|
Small (~3 cm in diameter) uncut sample. Dark green-blue core with patchy Fe-Mn crust on sample. Original label: 20 November, 1980. |
Pacific Ocean |
0 |
Ritter 154, 37 B |
| GRD0227S0 |
Serpentinite
|
Very small (~3x2x2 cm) uncut sample. Black Fe-Mn crust covering whole sample. Based on other Dredge 15-6 samples, this may be serpentinite as well. Original label: 20 November, 1980. |
Pacific Ocean |
0 |
Ritter 154, 37 B |
| GRD0228S0 |
Conglomerate
|
Large (~7 cm in diameter) round igneous cobble surrounded by a rind of calcium carbonate bearing small (~ 1 mm) subrounded clasts. Billet pieces. Original label: 23 November, 1980. |
Pacific Ocean |
1 |
Ritter 154, 37 B |
| GRD0229S0 |
Gabbro
|
Black crystalline sample. ~7x3 cm on the cut face. Billet pieces. Largest crystals are amphibole, interstital white crystals. Original label: 23 November, 1980. |
Pacific Ocean |
1 |
Ritter 154, 37 B |
| 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 |
| GRD022BS0 |
Ignimbrite
|
Yellowish cobble (~5 cm in diameter) with a small patch of Fe-Mn crust. Rind of pumice and lithic fragments ranging in size from 1 mm to 2 cm; billet pieces. Original label: 23 November, 1980. |
Pacific Ocean |
1 |
Ritter 154, 37 B |
| GRD022CS0 |
Carbonate
|
Very small (~1 cm) calcium carbonate fragment (shell?). Original label: 20 November, 1980. |
Pacific Ocean |
0 |
Ritter 154, 37 B |
| GRD022DS0 |
Siltstone
|
Multiple mudstone fragments. Original label: 23 November, 1980. |
Pacific Ocean |
0 |
Ritter 154, 37 B |
| GRD022ES0 |
Siltstone
|
Rounded mudstone pebble. Original label: 23 November, 1980. |
Pacific Ocean |
0 |
Ritter 154, 37 B |
| GRD022FS0 |
Siltstone
|
Rounded mudstone pebble. Original label: 23 November, 1980. |
Pacific Ocean |
0 |
Ritter 154, 37 B |
| GRD022GS0 |
Siltstone
|
Rounded mudstone fragment with some Fe-staining. Original label: 23 November, 1980. |
Pacific Ocean |
0 |
Ritter 154, 37 B |
| GRD022HS0 |
Serpentinite
|
Large (~6x6x6 cm) sample with flecks of green-golden chrysotile in green-blue fine-grained groundmass. Patchy Fe-Mn crust on sample. Billet pieces. Original label: 23 November, 1980. |
Pacific Ocean |
1 |
Ritter 154, 37 B |
