| 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 |
| 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 |
| 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 |
| GRD022IS0 |
Serpentinite
|
Large (~9x8x7 cm) sample with flecks of green-golden mineral (chrysotile?) and green veins in green-blue fine-grained groundmass. Fe-Mn crust on sample. Original label: 23 November, 1980. |
Pacific Ocean |
0 |
Ritter 154, 37 B |
| GRD022JS0 |
Serpentinite
|
Small uncut sample (~6x4x4 cm). Thin blue-green veins in green-blue fine-grained groundmass, patchy Fe-Mn crust on sample. Original label: 23 November, 1980. Challenger Deep. |
Pacific Ocean |
0 |
Ritter 154, 37 B |
| GRD022KS0 |
Serpentinite
|
Medium-sized (~7x5x5 cm from the cut face) sample with dark green patches (sheared?) in fine-grained lighter green groundmass, patchy Fe-Mn crust on sample. Billet pieces. Original label: 23 November, 1980. |
Pacific Ocean |
1 |
Ritter 154, 37 B |
| GRD022LS0 |
Serpentinite
|
Medium-sized (~8x5.5x4 cm from the cut face) fine-grained light green with wispy thin veinlets and small patches of golden chrysotile (?) and magnetite crystals, Fe-Mn crust. Bumpy carapace. Billet pieces. Original label: 23 November, 1980. |
Pacific Ocean |
1 |
Ritter 154, 37 B |
| GRD022MS0 |
Serpentinite
|
Small (~7x4x1 cm) green sample. Large white wispy veins cross-cut, thin well-defined veinlets, and golden-brown chrysotile. Billet pieces. Original label: 23 November, 1980. |
Pacific Ocean |
1 |
Ritter 154, 37 B |
| GRD022NS0 |
Serpentinite
|
Large (~9x7x6 cm) uncut sample. Massive dark green groundmass with occasional patches/veins of dark to light blue mineralization. Patchy Fe-Mn crust on sample. Original label: 23 November, 1980. |
Pacific Ocean |
0 |
Ritter 154, 37 B |
| GRD022OS0 |
Serpentinite
|
Large (~11x8x6 cm) sample composed of fine-grained green-blue groundmass. Fe-Mn crust on sample. Original label: 23 November, 1980. Ultramafic (dark) rocks from the Mariana and Tonga Trench. |
Pacific Ocean |
0 |
Ritter 154, 37 C |
| GRD022PS0 |
Serpentinite
|
Cobble (~10x4x9 cm). Very dense. Green-blue fine-grained groundmass. Fe-Mn crust on sample. Original label: 23 November, 1980. Ultramafic (dark) rocks from the Mariana and Tonga Trench. |
Pacific Ocean |
0 |
Ritter 154, 37 C |
| GRD022QS0 |
Serpentinite
|
Large (~13x6x7 cm) sample with green fine-grained groundmass. Patchy Fe-Mn crust on sample. Original label: 23 November, 1980. |
Pacific Ocean |
0 |
Ritter 154, 37 C |
| GRD022RS0 |
Serpentinite
|
Small (~5x3x2 cm) sample. Whiteish glomerocrysts and Fe-oxides in green fine-grained groundmass. Patchy Fe-Mn crust on sample. Original label: 23 November, 1980. |
Pacific Ocean |
1 |
Ritter 154, 37 C |
| GRD022SS0 |
Serpentinite
|
Very small (~2x2x1 cm) sample. Teal/green interior with Fe-Mn crust on sample. Original label: 25 November, 1980. |
Pacific Ocean |
0 |
Ritter 154, 37 C |
| GRD0240S0 |
Serpentinite
|
Large (~13x11x5 cm) uncut brittle sample. Broken in half revealing a light green interior which could be a detriorated/altered serpentinite, white/clear crystalline vein. Patchy Fe-Mn crust on sample. Original label: 26 November, 1980. |
Pacific Ocean |
0 |
Ritter 154, 37 C |
| GRD0241S0 |
Serpentinite
|
Large and medium (~7x5.5x5 and ~6.5x6x1.5 cm from the cut faces) samples. Dark green with reddish staining along the edges, grainy to the touch. Patchy Fe-Mn crust on samples Billet pieces in a bag. Original label: 26 November, 1980. |
Pacific Ocean |
1 |
Ritter 154, 37 C |
| 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 |
| GRD024JS0 |
Serpentinite
|
Small sample measuring ~6x3x3 cm from the cut face. Very fine-grained green-brown interior with spots of chrysotile(?) and Fe-Mn crust with exposures of mica and chrysotile. Billet pieces. Original label: 28 November, 1980. |
Pacific Ocean |
1 |
Ritter 154, 37 D |
| GRD024KS0 |
Serpentinite
|
A medium-sized (~4 cm in diameter) uncut sample. Broken in half. Light green groundmass with magnetite, most concentrated near edge of the sample. Patchy Fe-Mn crust. Original label: 28 November, 1980. |
Pacific Ocean |
0 |
Ritter 154, 37 D |
| GRD024LS0 |
Serpentinite
|
One small (~2 cm in diameter) uncut sample. Light green exterior (talc and actinolite?) with black, massive interior. Original label: 28 November, 1980. |
Pacific Ocean |
0 |
Ritter 154, 37 D |
| GRD024MS0 |
Serpentinite
|
One small (~2 cm in diameter) uncut sample. Light green to yellow very fine-grained with small magnetite crystals. Original label: 28 November, 1980. |
Pacific Ocean |
0 |
Ritter 154, 37 D |
| GRD024OS0 |
Serpentinite
|
Large (~12x5x4.5 cm) uncut sample. One side of the sample shows a pale-green vitreous serpentine surface while the other sides are covered in a Fe-oxide stained rind. Original label: 28 November, 1980. |
Pacific Ocean |
0 |
Ritter 154, 37 D |
| GRD024PS0 |
Greenschist
|
Two small cut samples (measuring ~6x2.5x2cm each). Pale green-silvery, medium-grained schist. Billet. Original label: 28 November, 1980. |
Pacific Ocean |
1 |
Ritter 154, 37 D |
| GRD024QS0 |
Blueschist
|
Two small (~6x4x4 cm and ~6x4x2 cm) sample cut to reveal wavy blue-black and white (quartz) crystalline interior. Exterior looks schistose. Billet. Original label: 28 November, 1980. |
Pacific Ocean |
1 |
Ritter 154, 37 D |
| GRD024RS0 |
Serpentinite
|
Large (~7x7x6 cm), blocky, uncut sample. Dark grey, green exterior with some muscovite. Original label: 28 November, 1980. |
Pacific Ocean |
0 |
Ritter 154, 37 D |
| GRD024SS0 |
Serpentinite
|
Small (~5x3x3 cm), blocky, uncut sample. Fe-oxide stained reddish, yellow exterior with some green patches. Original label: 28 November, 1980. |
Pacific Ocean |
0 |
Ritter 154, 37 D |
| GRD024TS0 |
Serpentinite
|
Large (~9x5x5 cm), blocky, uncut sample and a smaller crescent-shaped uncut sample. Fe-oxide stained patches, yellow-orange powdery exterior with some grey spots containing blueish mica? Original label: 28 November, 1980. |
Pacific Ocean |
0 |
Ritter 154, 37 D |
