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Event details
| Voyage: | IN2020_V01 [details] |
| When: | 2020-02-26 02:52:55 UTC |
| Log: | Geology_Rocks_in2020_v01 |
| Equipment: | Not specified |
| Position: | Latitude: -32.8096 Longitude: 97.6637 Position from underway logging |
| Sample number: | IN2020_V01_D17_010 |
| Dredge: | D17 |
| Sample Number Assigned: | Yes |
| Sample photographed (include scale and sample number): | yes, in IN2020_V01_D17_010 |
| Number of photos: | 7 |
| Sample sawn: | Yes |
| Sticker: | yes |
| Colour: | grey-light | brown |
| Composition: | mafic |
| Alteration: | Mn crust | altered |
| Phenocryst abundance (%): | 0 |
| Groundmass: | microcrystaline | altered |
| Mn crust thickness (mm): | <1 |
| Vesicle abundance: | absent |
| Sample bagged: | yes |
| Bucket number: | 2 of 2 |
| Rock name: | Strongly altered aphanitic basalt |
| Original Sample Dimensions: | 6x12x10 cm |
| Comments: | Strong alteration, and moderate fracturing (pseudoclastic texture). Two generations of alteration; brown clay alteration of original basalt likely followed by light grey and while alteration along fractures. |