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Event details
| Voyage: | IN2020_V01 [details] |
| When: | 2020-01-29 03:08:27 UTC |
| Log: | Geology_Rocks_in2020_v01 |
| Equipment: | Not specified |
| Position: | Latitude: -53.0705 Longitude: 81.3749 Position from underway logging |
| Sample number: | IN2020_V01_D04_001 |
| Dredge: | D04 |
| Sample Number Assigned: | Yes |
| Sample photographed (include scale and sample number): | Yes IN2020_V01_D04_001 |
| Number of photos: | 3 |
| Sample sawn: | Yes |
| Sticker: | yes |
| Colour: | grey-dark |
| Composition: | mafic |
| Alteration: | Mn crust | altered |
| Phenocryst abundance (%): | 0 |
| Groundmass: | microcrystaline |
| Mn crust thickness (mm): | 150 |
| Vesicle abundance: | <10% |
| Vesicle Filling (%): | 100 |
| Vesicle fill: | Other |
| Sample bagged: | yes |
| Bucket number: | 1 of 1 |
| Rock name: | Aphyric Basalt |
| Original Sample Dimensions: | 37 x 20 x 12 cm |
| Comments: | Fractures infilled with soft white mineral (hardness <6) that is not calcite; probably clay. No foliation, no compositional layering, minor fracturing, no veining. |