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Event details
| Voyage: | IN2020_V01 [details] |
| When: | 2020-02-19 13:43:12 UTC |
| Log: | Geology_Rocks_in2020_v01 |
| Equipment: | Not specified |
| Position: | Latitude: -32.0106 Longitude: 96.1683 Position from underway logging |
| Sample number: | IN2020_V01_D14_004 |
| Dredge: | D14 |
| Sample Number Assigned: | Yes |
| Sample photographed (include scale and sample number): | Yes IN2020_V01_D14_004 |
| Number of photos: | 6 |
| Sample sawn: | Yes |
| Sticker: | yes |
| Colour: | grey-light | green |
| Composition: | mafic |
| Alteration: | Mn crust | altered |
| Groundmass: | microcrystaline | altered |
| Mn crust thickness (mm): | <1 |
| Vesicle abundance: | <10% |
| Vesicle Filling (%): | 80 |
| Vesicle fill: | White mineral |
| Sample bagged: | yes |
| Bucket number: | 1 of 1 |
| Rock name: | Moderately altered, aphanitic basalt |
| Original Sample Dimensions: | 15x10x7 cm |
| Comments: | Green alteration mineral (psendomorphs); epidote? +/- actinolite? ~3% vesicles (3-8 mm size) filled with white hard mineral (not quartz). Moderate alteration. |