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Event details
| Voyage: | IN2019_V04 [details] |
| When: | 2019-08-23 23:49:47 UTC |
| Log: | Geology_Rocks_in2019_v04 |
| Equipment: | Not specified |
| Position: | Latitude: -10.4698 Longitude: 157.359 Position from underway logging |
| Sample number: | in2019_v04_D36-058 |
| Dredge: | D36 |
| Sample Number Assigned: | Yes |
| Sample photographed (include scale and sample number): | Yes |
| Number of photos: | 3 |
| Sample sawn: | Yes |
| Sticker: | yes |
| Colour: | grey-dark | brown |
| Composition: | sedimentary |
| Phenocryst mineralogy: | feldspar | pyroxene |
| Phenocryst abundance (%): | 10 |
| Phenocryst size range (mm): | 1-2 |
| Groundmass: | microcrystaline | altered |
| Vesicle abundance: | <10% |
| Vesicle Filling (%): | 80% |
| Vesicle fill: | clay |
| Grain size: | pebble (2-64 mm) | cobble (>64 mm) |
| Grain shape: | angular |
| Sorting: | poor |
| Sample bagged: | yes |
| Bucket number: | 68 |
| Rock name: | Feldspar - Pyroxene - phyric vesicular basalt cobble |
| Requested: | UK |
| Comments: | Coarse feldspar and pyroxene phenocrysts. 3mm sized angular clay-filled vesicles. Pebble and granule sized basalt clasts. Cobble is in a clast supported breccia |