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Event details
| Voyage: | IN2020_V01 [details] |
| When: | 2020-02-21 16:45:33 UTC |
| Log: | Geology_Rocks_in2020_v01 |
| Equipment: | Not specified |
| Position: | Latitude: -32.4962 Longitude: 101.9663 Position from underway logging |
| Sample number: | IN2020_V01_D16_004 |
| Dredge: | D16 |
| Sample Number Assigned: | Yes |
| Sample photographed (include scale and sample number): | yes, in IN2020_V01_D16_004 |
| Number of photos: | 4 |
| Sample sawn: | Yes |
| Sticker: | yes |
| Colour: | grey-light | yellow |
| Composition: | mafic |
| Alteration: | Mn crust | altered |
| Groundmass: | microcrystaline | altered |
| Mn crust thickness (mm): | 15 |
| Vesicle abundance: | absent |
| Grain size: | pebble (2-64 mm) |
| Grain shape: | angular |
| Sorting: | poor |
| Components: | volcanic vesicular | volcanic non-vesicular |
| Cement: | calcite | other |
| Sample bagged: | yes |
| Bucket number: | 1 of 1 |
| Rock name: | Strongly altered aphanitic basalt breccia |
| Original Sample Dimensions: | 15x8x5 cm |
| Comments: | Basalt begining to form a breccia. Mixed vesicular and aphanitic basalt clasts. |