Sample Type is Igneous › Volcanic › Mafic Extrusive › Basalt
284 records | Download| IGSN | Sample Type | Notes | Location | Number Thin Sections | Storage Location |
|---|---|---|---|---|---|
| GRD0239S0 | Basalt | Small (~2x3x3 cm) cut sample with brown interior containing a few clear feldspar laths and glomerocrysts. Fe-Mn crust on sample. Original label: 25 November, 1980. | Pacific Ocean | 1 | Ritter 154, 37 C |
| GRD023AS0 | Basalt | Small (~4x4x2 cm) uncut sample. Small chip reveals a grey interior containing small clear feldspar laths. Fe-Mn crust on sample. Original label: 25 November, 1980. | Pacific Ocean | 0 | Ritter 154, 37 C |
| GRD023BS0 | Basalt | Small (~2x1x5 cm) uncut sample. Small chip reveals a grey interior containing small clear feldspar laths. Fe-Mn crust on sample. Original label: 25 November, 1980. | Pacific Ocean | 0 | Ritter 154, 37 C |
| GRD023CS0 | Basalt | Large (~7x4x4 cm) cut sample. Green-grey interior contains abundant small clear feldspar laths and glomerocrysts. Fe-Mn crust on sample. Billet pieces. Original label: 25 November, 1980. | Pacific Ocean | 1 | Ritter 154, 37 C |
| GRD023DS0 | Basalt | Sample missing. Thin section only. Original label: 25 November, 1980. | Pacific Ocean | 1 | Ritter 154, 37 C |
| GRD023ES0 | Basalt | Two thinly cut slabs (~6x3x0.5 cm and ~5x3x2 cm). Grey-green rock containing small clear feldspar laths and glomerocrysts, occasional amphibole? Fe-Mn crust on sample. Original label: 25 November, 1980. | Pacific Ocean | 1 | Ritter 154, 37 C |
| GRD023FS0 | Basalt | Small (~4x4x3 cm) cut grey-green rock containing small clear/white feldspar laths and glomerocrysts. Fe-Mn crust on sample. Original label: 25 November, 1980. | Pacific Ocean | 1 | Ritter 154, 37 C |
| GRD0257S0 | Basalt | Dark green porphyritic basalt with abundant circular vesicles, some vesicles are filled-in with quartz or Fe-oxide minerals: Three large (~8x5x6 cm) samples. Dendritic oxide crystal growth on the exterior of one sample. Billet pieces. Original label: 21 September, 1975. | Pacific Ocean | 3 | Ritter 154, 37 E |
| GRD0259S0 | Basalt | Two small (~4x3x2 cm) cut dark green coarse-grained samples. Large purple feldspar and small white veins in hand sample. Two other small (~5x3x4 cm on cut face) samples with green feldspar crystals in fine-grained blue matrix. Billet and billet pieces. Original label: 21 September, 1975. | Pacific Ocean | 3 | 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 |
| GRD026US0 | Basalt | Cut sample (~5x6x3 cm on cut face), grey vesicular basalt, largest vesicle has 6 small puffs of crystals in it. Patchy sedimentary/sandstone rind billet pieces. | Pacific Ocean | 1 | Ritter 154, 37 F |
| GRD026VS0 | Basalt | Cut sample (~5x7x4 cm on cut face), rounded cobble with yellow rind. The interior is grey basalt, small black, green, and white crystals are visible. Billet pieces. | Pacific Ocean | 1 | Ritter 154, 37 F |
| GRD026WS0 | Basalt | Four small (~4.5x4.5x2 cm) uncut samples with yellow interiors with some green staining/mineralization. Patchy Fe-Mn crust. | Pacific Ocean | 0 | Ritter 154, 37 F |
| GRD027NS0 | Basalt | Three small cut samples in a plastic bag. White blebs in a dark green, fine-grained matrix. Some thin veins/fractures. | Pacific Ocean | 0 | Ritter 154, 37 G |
| GRD028ES0 | Basalt | Two very large (~15x7x5 cm and ~22x7x7 cm) and three large (~8x8x3 cm) of basalt with large vesicles (~1 cm in diameter). Some clear/white crystal growth in vesicles of largest sample. Smallest sample is cut. Billet and billet pieces. Original label: 1 August, 1968, Baie du Cap volcanics. | Mauritius | 2 | Ritter 154, 34 A |
| GRD028RS0 | Basalt | Dark, fine-grained porphyritic basalt. Occasional euhedral to subhedral feldspar crystals. Fe-Mn crust on sample. Billet. Original label: 14 August, 1968. | Indian Ocean | 1 | Ritter 154, 34 A |
| GRD028SS0 | Basalt | Dark, fine-grained sparsely porphyritic basalt with occasional very small euhedral to subhedral crystals. Fe-Mn crust on sample. Billet. Original label: 14 August, 1968. | Indian Ocean | 1 | Ritter 154, 34 A |
| GRD028TS0 | Basalt | Dark, fine-grained basalt. Fe-Mn crust on sample. Billet. Original label: 14 August, 1968. | Indian Ocean | 2 | Ritter 154, 34 A |
| GRD028US0 | Basalt | Dark, fine-grained basalt with occasional euhedral to subhedral crystals. Fe-Mn crust on sample. Billet. Original label: 14 August, 1968. | Indian Ocean | 1 | Ritter 154, 34 A |
| GRD028XS0 | Basalt | Large (~10x9x11 cm) sample; Dark, fine-grained porphyritic basalt; occasional euhedral to subhedral feldspar crystals and subhedral olivine crystals; Sample has had cores drilled in three places. | Indian Ocean | 0 | Ritter 154, 34 B |
| GRD029AS0 | Basalt | Two very large cut samples (~21x11x7 cm and ~11x8x5 cm) with two smaller pieces. Black, porphyritic basalt with a glassy surface. White feldspar and green olivine crystals visible. Fe-stained bottom. Original label: 21 August, 1968. Basalt. SiO2 ~51.0, TiO2 ~1.10, Na2O ~2.76, K2O ~0.18, P2O5 ~0.10. | Indian Ocean | 2 | Ritter 154, 34 B |
| GRD029DS0 | Basalt | Small cut sample of vesicular porphyritic basalt; feldspar and pyroxene crystals are visible in the sample. White rind on sample. Billet and billet pieces. Original label: 21 August, 1968. | Indian Ocean | 1 | Ritter 154, 34 B |
| GRD029ES0 | Basalt | Small (~7.5x8x6 cm from the cut face) sample of vesicular porphyritic basalt; feldspar crystals are visible in the sample. Glassy top with white rind. Billet piece. Original label: 21 August, 1968. | Indian Ocean | 1 | Ritter 154, 34 B |
| GRD029FS0 | Basalt | Large (~14x8x8 cm from the cut face) sample of vesicular porphyritic basalt; feldspar and olivine crystals are visible in the sample. Small glassy top. Billet and billet pieces. Thin section missing. Original label: 21 August, 1968. | Indian Ocean | 0 | Ritter 154, 34 B |
| GRD029GS0 | Basalt | Large (~7x6x6.5 cm from the cut face) sample of vesicular porphyritic basalt; feldspar and pyroxene crystals are visible in the sample. Glassy top surface with some Fe-staining. White rind on the sides. Billet and billet pieces. Thin section missing. Original label: 21 August, 1968. | Indian Ocean | 1 | Ritter 154, 34 B |
| GRD029HS0 | Basalt | Very large (~11x12x8.5 cm from the cut face) sample of vesicular porphyritic basalt. Occasional feldspar crystals are visible in the sample. Thick Fe-Mn crust on the sample. A few chips in the Fe-Mn crust reveal a glassy surface on the top of the sample. Billet. Billet pieces. | Indian Ocean | 0 | Ritter 154, 34 B |
| GRD029IS0 | Basalt | Large (~5.5x6x4 cm from the cut face) sample of vesicular basalt. Vesicles are small. Fe-Mn crust on the sample. Billet. Billet pieces. | Indian Ocean | 1 | Ritter 154, 34 B |
| GRD02AGS0 | Basalt | Basalt with glassy crust and plagioclase phenocrysts. Most of the glassy crust has been chipped away. 1983-03-19. Ship: Thomas Washingotn. | Pacific Ocean | 0 | Ritter 154, 19 K |
| GRD02J2S0 | Basalt | plag phyric diabase, probably a part of the Nipissing dikes; phenocrysts up to 2cm | Canada | 0 | Ritter 154, 15 I |
| GRD02J2S1 | Basalt | plag phyric diabase, probably a part of the Nipissing dikes; phenocrysts up to 2cm | Canada | 0 | Ritter 154, 16 H |