| GRD025IS0 |
Siltstone
|
Multiple pieces, the largest measures ~6x3x2 cm on cut face. Red fine-grained with white cross-cutting veins, weathered rind around the largest piece. Billet and billet pieces. Some pieces labelled ERDC08-24D-7, they are from the same sample as those labelled ERDC-24D-7. Original label: 21 September, 1975. |
Pacific Ocean |
2 |
Ritter 154, 37 E |
| GRD025JS0 |
Conglomerate
|
Multiple pieces, the largest measures ~9x5.5x6 cm on cut face. High specific gravity. Large (~3 cm) fine-grained purple clasts with green rinds in fine-grained green matrix. Purple clasts contain what appears to be thin bivalve shell fragments. Occasional calcite-filled vugs. A smaller (~5x2x1 cm) uncut subrounded brown sample containing white specks/crystals (quartz?). Billet and billet pieces. Original label: 21 September, 1975. |
Pacific Ocean |
1 |
Ritter 154, 37 E |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| GRD026IS0 |
Mudstone
|
Fine-grained grey mudstone. Thin sections only. |
Pacific Ocean |
2 |
Ritter 154, 37 F |
| GRD026ZS0 |
Siltstone
|
Two samples: one cut, another uncut. Cut sample measures ~3x3.5x2 cm from the cut face and has dark grey very fine-grained interior with light grey spot. Billet. Billet pieces. Original label: 21 September, 1975. |
Pacific Ocean |
1 |
Ritter 154, 37 F |
| GRD0270S0 |
Claystone
|
Eight very small, cream-colored, very fine-grained samples. Original label: 30 March, 1975. Type 3. |
Pacific Ocean |
0 |
Ritter 154, 37 F |
| GRD0271S0 |
Claystone
|
Four uncut samples: very fine-grained cream-colored interior with a thick (~2 mm) black and rust-colored rind with a bubbly/mammillary morphology. Original label: 30 March, 1975. |
Pacific Ocean |
0 |
Ritter 154, 37 F |
| GRD0273S0 |
Siltstone
|
Very small (~3 cm) subangular cream and blue-grey fine-grained rocks. One sample is mounted in a polished epoxy disc (for chemical analyses). Original label: 20 October, 1968, pipe dredge. |
Pacific Ocean |
0 |
Ritter 154, 37 G |
| GRD0274S0 |
Siltstone
|
Two tan fine-grained samples measuring ~4x4x1.5 cm and 7x5x3 cm. Both samples are uncut; dessication crack and patch of Fe-Mn crust on largest sample; Original label: 21 October, 1967. |
Pacific Ocean |
0 |
Ritter 154, 37 G |
| GRD0275S0 |
Siltstone
|
Four small tan fine-grained samples. Each sample is capped by a medium-grained layer approximately 1 to 2 mm thick; Original label: 21 October, 1967, section cut July 1971. |
Pacific Ocean |
1 |
Ritter 154, 37 G |
| GRD0276S0 |
Siltstone
|
Four tan fine-grained samples. Each sample is capped by a medium-grained layer approximately 1 to 2 mm thick. billet. Original label: 21 October, 1967, section cut July 1971. |
Pacific Ocean |
1 |
Ritter 154, 37 G |
| GRD0278S0 |
Conglomerate
|
Two small cut conglomerate samples which measure ~4x4x1 cm. The clasts are ~2 mm in diameter. Billet and billet pieces. Original label: agglomerate. |
Pacific Ocean |
2 |
Ritter 154, 37 G |
| GRD0279S0 |
Clastic
|
Two small samples which are notably different than one another. One is dark brown siltstone. The other is a tan conglomerate. Neither is cut. Both are ~4x3x2 cm. Original label: 21 October, 1967. |
Pacific Ocean |
0 |
Ritter 154, 37 G |
| GRD027JS0 |
Siltstone
|
Three fine-grained tan samples with dark green, thin veins and a white crust. One sample is cut and has a tan interior with cross-cutting dark green veins. Original label: 21 October, 1967; section cut July, 1971. |
Pacific Ocean |
0 |
Ritter 154, 37 G |
| GRD027KS0 |
Siltstone
|
Three fine-grained tan samples with dark green, thin veins and a white crust. Billet. Original label: 21 October, 1967; section cut July, 1971. |
Pacific Ocean |
0 |
Ritter 154, 37 G |
| GRD027LS0 |
Siltstone
|
Two very small fine-grained tan samples with dark green, thin veins and a white crust. Billet. Original label: 21 October, 1967; section cut July, 1971. |
Pacific Ocean |
0 |
Ritter 154, 37 G |
| GRD027RS0 |
Siltstone
|
Three uncut samples; all roughly the same size (~5x4x2 cm). Fine-grained dark grey/green samples with occasional white veins and blebs |
Pacific Ocean |
0 |
Ritter 154, 37 G |
| GRD027SS0 |
Breccia
|
Two cut samples (largest measures 5x2x2 cm). Fine-grained dark grey/green samples with occasional white veins and blebs. Thin section shows it is a fine-grained breccia. Original label: 21 October, 1967, Section cut July 1971. |
Pacific Ocean |
1 |
Ritter 154, 37 G |
| GRD027US0 |
Siltstone
|
Five uncut, rounded samples. Largest measures 7x7x4 cm and smallest is 1.5x2x1 cm. All samples are fine grained. The largest and smallest are green. The smallest has many small white veins. The three medium-sized samples are tan with occasional green veins; these have a higher density than the green samples. |
Pacific Ocean |
0 |
Ritter 154, 37 G |
| GRD027WS0 |
Breccia
|
Three small (~3x3x2 cm) samples composed of brecciated green and red mudstone in calcite matrix, billet. Original label: 21 October, 1967, Section cut July 1971 |
Pacific Ocean |
1 |
Ritter 154, 37 G |
| GRD0280S0 |
Mudstone
|
Three very small black mudstone samples. All three samples are cut. The largest measures 4x3x2 cm on the cut face. Original label: 21 October, 1967, Section cut: Nov 1967. |
Pacific Ocean |
0 |
Ritter 154, 37 G |
| GRD028CS0 |
Feldspathic Sandstone
|
Impregnated (epoxy) sandstone. Concentric layers and cleavage/jointing. Fe-Mn crust on exterior. Billet and billet pieces. Original label: 19 July, 1968. |
Indian Ocean |
1 |
Ritter 154, 34 A |
| GRD028DS0 |
Feldspathic Sandstone
|
Three uncut white, fine-grained powdery samples. One sample contains several bivalve shells (~1.5 cm in diameter). Black crystals with dendritic crystal growth on the other two samples. Original label: Dredge 76, Big rock sample. |
Indian Ocean |
0 |
Ritter 154, 34 A |
