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Event details
| Voyage: | IN2020_V01 [details] |
| When: | 2020-02-21 14:34:55 UTC |
| Log: | Geology_Rocks_in2020_v01 |
| Equipment: | Not specified |
| Position: | Latitude: -32.5092 Longitude: 101.5027 Position from underway logging |
| Sample number: | IN2020_V01_D15_003 |
| Dredge: | D15 |
| Sample Number Assigned: | Yes |
| Sample photographed (include scale and sample number): | yes, in IN2020_V01_D15_003 |
| Number of photos: | 6 |
| Sample sawn: | Yes |
| Colour: | grey-dark |
| Composition: | mafic |
| Alteration: | Mn crust | altered |
| Phenocryst abundance (%): | 0 |
| Groundmass: | microcrystaline | altered |
| Mn crust thickness (mm): | <1 |
| Vesicle abundance: | <10% |
| Vesicle Filling (%): | 100 |
| Vesicle fill: | Calcite, clay and other minerals |
| Bucket number: | 1 of 2 |
| Rock name: | Weakly altered, aphanitic basalt |
| Original Sample Dimensions: | 40x13.5x17 cm |
| Comments: | Zone of vesicles about 10 cm wide. Minor fracturing. Partial sample kept. |