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Event details
| Voyage: | IN2020_V01 [details] |
| When: | 2020-02-04 14:35:24 UTC |
| Log: | Geology_Rocks_in2020_v01 |
| Equipment: | Not specified |
| Position: | Latitude: -53.1244 Longitude: 82.093 Position from underway logging |
| Sample number: | IN2020_V01_D09_018 |
| Dredge: | D09 |
| Sample Number Assigned: | Yes |
| Sample photographed (include scale and sample number): | yes, in IN2020_V01_D09_018 |
| Number of photos: | 4 |
| Sample sawn: | Yes |
| Sticker: | yes |
| Colour: | brown | green |
| Composition: | mafic |
| Alteration: | Mn crust |
| Phenocryst mineralogy: | feldspar |
| Groundmass: | microcrystaline |
| Mn crust thickness (mm): | 1 |
| Vesicle abundance: | 10-30% |
| Vesicle Filling (%): | 95 |
| Vesicle fill: | other |
| Sample bagged: | yes |
| Bucket number: | 3 of 6 |
| Rock name: | Vesicular aphanitic basalt |
| Original Sample Dimensions: | 23 x 14 x 9 cm |
| Comments: | minor. Vesicles filled with glaucorite(?)/celadonite(?). Moderate alteration but some microphenocrysts of feldspar are recognisable. Weakly magnetic. |