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Event details
| Voyage: | IN2019_V04 [details] |
| When: | 2019-08-23 23:34:32 UTC |
| Log: | Geology_Rocks_in2019_v04 |
| Equipment: | Not specified |
| Position: | Latitude: -10.431 Longitude: 157.3493 Position from underway logging |
| Sample number: | in2019_v04_D36-054 |
| 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-light | brown | green |
| Composition: | sedimentary |
| Alteration: | Mn crust | altered |
| Phenocryst mineralogy: | feldspar | pyroxene |
| Groundmass: | crystalline |
| Vesicle abundance: | absent |
| Grain size: | cobble (>64 mm) |
| Grain shape: | rounded |
| Sorting: | poor |
| Components: | volcanic non-vesicular |
| Cement: | other |
| Sample bagged: | yes |
| Bucket number: | 68 |
| Rock name: | Cobble conglomerate with an altered basalt clast |
| Comments: | Clay matrix. Breccia with large to small basalt clasts. Large clast veined with zeolites (soft, no HCL reaction) |