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Event details
| Voyage: | IN2019_V04 [details] |
| When: | 2019-08-14 03:01:20 UTC |
| Log: | Geology_Rocks_in2019_v04 |
| Equipment: | Not specified |
| Position: | Latitude: -17.4895 Longitude: 155.8822 Position from underway logging |
| Sample number: | in2019_v04_D13_015 |
| Dredge: | D13 |
| Sample Number Assigned: | Yes |
| Sample photographed (include scale and sample number): | Yes |
| Number of photos: | 2 |
| Sample sawn: | Yes |
| Sticker: | yes |
| Colour: | red | brown |
| Composition: | mafic |
| Phenocryst mineralogy: | feldspar |
| Phenocryst abundance (%): | 10 |
| Phenocryst size range (mm): | 1 |
| Groundmass: | altered |
| Vesicle abundance: | 10-30% |
| Vesicle Filling (%): | 80 |
| Vesicle fill: | calcite, iron oxide |
| Alteration: | altered |
| Sample bagged: | yes |
| Bucket number: | 27 |
| Rock name: | Fe oxide altered vesicular basalt |
| Comments: | Vesible feldspar (1mm) possibly fresh, large 2-5 mmm vesicles filled with Fe oxide and carbonate. |