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Event details
| Voyage: | IN2020_V01 [details] |
| When: | 2020-03-04 10:02:41 UTC |
| Log: | Geology_Rocks_in2020_v01 |
| Equipment: | Not specified |
| Position: | Latitude: -32.4067 Longitude: 109.402 Position from underway logging |
| Sample number: | IN2020_V01_D21_028 |
| Dredge: | D21 |
| Sample Number Assigned: | Yes |
| Sample photographed (include scale and sample number): | yes, in IN2020_V01_D21_028 |
| Number of photos: | 3 |
| Sample sawn: | Yes |
| Sticker: | no |
| Colour: | grey-dark |
| Composition: | mafic |
| Alteration: | Mn crust | altered |
| Phenocryst abundance (%): | 0 |
| Groundmass: | microcrystaline |
| Mn crust thickness (mm): | <1 |
| Vesicle abundance: | absent |
| Sample bagged: | yes |
| Bucket number: | 4 of 4 |
| Rock name: | subtly altered aphanitic basalt |
| Original Sample Dimensions: | 25x20x11 |
| Comments: | moderate fracturing; weakly magnetic; fractures filled with white and green minerals; |