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Event details
| Voyage: | IN2019_V04 [details] |
| When: | 2019-08-26 02:37:53 UTC |
| Log: | Geology_Rocks_in2019_v04 |
| Equipment: | Not specified |
| Position: | Latitude: -14.0369 Longitude: 159.647 Position from underway logging |
| Sample number: | in2019_v04_D42-007 |
| Dredge: | D42 |
| Sample Number Assigned: | Yes |
| Sample photographed (include scale and sample number): | Yes |
| Number of photos: | 5 |
| Sample sawn: | Yes |
| Sticker: | yes |
| Colour: | black | grey-dark |
| Composition: | mafic |
| Alteration: | Mn crust | altered |
| Phenocryst mineralogy: | pyroxene | altered |
| Groundmass: | microcrystaline |
| Vesicle abundance: | <10% |
| Vesicle Filling (%): | 80 |
| Vesicle fill: | Calcite, Nn-oxide |
| Sample bagged: | yes |
| Bucket number: | 78 |
| Rock name: | Altered feldspar-rich basalt |
| Comments: | Cracks Fe2O3 altered. Greenish alteration on one side of the rock ~ 15mm long at rim |