| GRD025US0 |
Conglomerate
|
One uncut sample measuring ~6x6x2.5 cm. Composed of well-rounded green clasts in fine-grained green matrix. Some dissication cracks on edge of sample. |
Pacific Ocean |
0 |
Ritter 154, 37 E |
| GRD025VS0 |
Siltstone
|
One cut sample measuring ~2x3x4 cm. Light grey, very fine-grained with laminations and Fe-stains. Patchy Fe-Mn crust. Billet and billet pieces. Original label: 21 September, 1975. |
Pacific Ocean |
1 |
Ritter 154, 37 E |
| GRD025WS0 |
Siltstone
|
Two uncut samples measuring ~5x5x4 cm and ~6x3x3 cm. Brown with patchy Fe-Mn crust. Friable. |
Pacific Ocean |
0 |
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 |
| GRD025ZS0 |
Felsic Intrusive
|
Three very small (~2x2x2 cm) white uncut pebbles in a bag. |
Pacific Ocean |
0 |
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 |
| GRD0267S0 |
Intermediate Intrusive
|
Two cut pieces measuring ~4.5x4.5x2 cm and ~3.5x2.5x1.5 cm on cut faces. Light blue fine-grained crystalline. Billet pieces. |
Pacific Ocean |
1 |
Ritter 154, 37 E |
| GRD0268S0 |
Siltstone
|
Two cut pieces measuring ~8x3x3 cm and ~7x3x4 cm on cut faces. One uncut piece measuring ~9x6x3 cm. Tan fine-grained with rust-stained vugs (likely where Fe-crystals once were). Fe-Mn crust and dendritic oxide crystals on uncut sample. Original label: 28 March, 1975. |
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 |
| GRD026AS0 |
Basalt
|
Two pieces: one uncut measuring ~5x4.5x1 cm and one cut measuring 3.5x3.5x2 cm on cut face. Interior is dark grey with small green crystals. Billet. Billet pieces. Original label: 21 September, 1975. |
Pacific Ocean |
1 |
Ritter 154, 37 F |
| GRD026BS0 |
Volcaniclastic Sediment
|
Two cut pieces (~6x6x2 cm). Dark green matrix with small (~2 mm) green, brown, and tan clasts. Billet. Billet pieces. Original label: 27 October, 1975. |
Pacific Ocean |
1 |
Ritter 154, 37 F |
| GRD026CS0 |
Fe and Mn Formation
|
Cut sample. ~5x4x7 cm. Purple, fine-grained sample with Fe-stained veins and thick (~3 mm) Fe-Mn crust. High specific gravity. Billet. Billet pieces. Original label: 21 September, 1975. |
Pacific Ocean |
2 |
Ritter 154, 37 F |
| GRD026DS0 |
Siltstone
|
Four uncut samples (largest is ~3x2x8 cm). Fine-grained tan mudstone. Original label: 29 March, 1975. |
Pacific Ocean |
0 |
Ritter 154, 37 F |
| GRD026ES0 |
Conglomerate
|
Two small cut samples (~3.5x4x3 cm and ~3.5x2.5x3 cm). Large (~1 cm) blue-green clasts in reddish matrix. Billet. Billet pieces. Original label: 27 October, 1975. |
Pacific Ocean |
1 |
Ritter 154, 37 F |
| GRD026FS0 |
Diorite
|
Cut sample measuring ~5x3.5x2 cm. Dark crystalline interior with rind of medium-grained clasts in fine-grained matrix. Billet. Billet pieces. Original label: 27 October, 1975. |
Pacific Ocean |
1 |
Ritter 154, 37 F |
| GRD026GS0 |
Conglomerate
|
Large (~1 cm) purple and green clasts in fine-grained red matrix. Billet and billet pieces only. Original label: 27 October, 1975. |
Pacific Ocean |
1 |
Ritter 154, 37 F |
| GRD026HS0 |
Diorite
|
Small (~4x5x2 cm) medium-grained crystalline, white feldspar and black/brown pyroxene. Billet and billet pieces. Original label: 21 September, 1975. |
Pacific Ocean |
2 |
Ritter 154, 37 F |
| GRD026IS0 |
Mudstone
|
Fine-grained grey mudstone. Thin sections only. |
Pacific Ocean |
2 |
Ritter 154, 37 F |
| GRD026JS0 |
Fe and Mn Formation
|
Small uncut sample (~3x3x1 cm). Fine-grained red rock. Billet and billet pieces. Original label: 27 October, 1975. |
Pacific Ocean |
1 |
Ritter 154, 37 F |
| 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 |
| GRD026MS0 |
Syenite
|
Cut slab measuring ~6x6x2 cm from the cut face. Coarse-grained crystalline. Abundant grey feldspar and greenish pyroxene. Billet and billet pieces. |
Pacific Ocean |
2 |
Ritter 154, 37 F |
| GRD026NS0 |
Syenite
|
Small cut sample which measures ~3x3x2 cm from the cut face. Coarse-grained crystalline. Abundant grey feldspar and greenish pyroxene. Billet and billet pieces. |
Pacific Ocean |
2 |
Ritter 154, 37 F |
