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Event details
| Voyage: | IN2020_V01 [details] |
| When: | 2020-03-04 10:15:00 UTC |
| Log: | Geology_Rocks_in2020_v01 |
| Equipment: | Not specified |
| Position: | Latitude: -32.4034 Longitude: 109.448 Position from underway logging |
| Sample number: | IN2020_V01_D21_031 |
| Dredge: | D21 |
| Sample Number Assigned: | Yes |
| Sample photographed (include scale and sample number): | yes, in IN2020_V01_D21_031 |
| Number of photos: | 3 |
| Sample sawn: | Yes |
| Sticker: | no |
| Colour: | grey-dark |
| Composition: | mafic |
| Alteration: | Mn crust | altered |
| Phenocryst abundance (%): | 0 |
| Groundmass: | altered |
| Mn crust thickness (mm): | <1 |
| Vesicle abundance: | <10% |
| Vesicle Filling (%): | 100 |
| Vesicle fill: | other (black mineral) |
| Sample bagged: | yes |
| Bucket number: | 4 of 4 |
| Rock name: | strongly altered vesicular basalt |
| Original Sample Dimensions: | 24x13x15 |
| Comments: | epidote/chlorite/actinolite? alteration (pervasive); silicified (qtz alteration); minor fracturing filled with green minerals; |