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Event details
| Voyage: | IN2019_V04 [details] |
| When: | 2019-08-26 05:06:09 UTC |
| Log: | Geology_Rocks_in2019_v04 |
| Equipment: | Not specified |
| Position: | Latitude: -13.9249 Longitude: 159.7494 Position from underway logging |
| Sample number: | in2019_v04_D42-019 |
| 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 | grey-light | red | brown |
| Composition: | mafic |
| Alteration: | altered |
| Phenocryst mineralogy: | feldspar | altered |
| Groundmass: | altered |
| Vesicle abundance: | 30-50% |
| Vesicle Filling (%): | 30-100 |
| Sample bagged: | yes |
| Bucket number: | 79 |
| Rock name: | vesicular altered basalt |
| Comments: | Altered feldspar present. Abundant vesicles infilled with calcite (30%), Ion-Manganese oxide (10%), clay (60%) |