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Event details
| Voyage: | IN2019_V04 [details] |
| When: | 2019-08-14 13:04:36 UTC |
| Log: | Geology_Rocks_in2019_v04 |
| Equipment: | Not specified |
| Position: | Latitude: -17.3787 Longitude: 155.5753 Position from underway logging |
| Sample number: | in2019_v04_D15-012 |
| Dredge: | D15 |
| Sample Number Assigned: | Yes |
| Sample photographed (include scale and sample number): | Yes |
| Number of photos: | 4 |
| Sample sawn: | Yes |
| Sticker: | yes |
| Colour: | grey-dark | white | green |
| Composition: | mafic |
| Groundmass: | microcrystaline | altered |
| Features: | other |
| Vesicle abundance: | 30-50% |
| Vesicle Filling (%): | 100 |
| Vesicle fill: | Calcite |
| Alteration: | altered |
| Sample bagged: | yes |
| Bucket number: | 32 |
| Rock name: | Highly altered, calcite-rich, basaltic pebble (?!) maybe. |
| Comments: | Massive. Highly altered pebble. Green in colour. Fine grained with no visible mineralogy. Full of calcite amygdales - probably altered basalt but unsure. |