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Event details
| Voyage: | IN2019_V04 [details] |
| When: | 2019-08-18 23:25:39 UTC |
| Log: | Geology_Rocks_in2019_v04 |
| Equipment: | Not specified |
| Position: | Latitude: -14.382 Longitude: 155.458 Position from underway logging |
| Sample number: | in2019_v04_D27_003 |
| Dredge: | D27 |
| Sample Number Assigned: | Yes |
| Sample photographed (include scale and sample number): | Yes |
| Number of photos: | 4 |
| Sample sawn: | No |
| Sticker: | yes |
| Colour: | black | grey-dark | red |
| Composition: | intermediate |
| Phenocryst mineralogy: | feldspar |
| Groundmass: | microcrystaline |
| Vesicle abundance: | <10% |
| Vesicle Filling (%): | 100 |
| Vesicle fill: | Mica |
| Alteration: | Mn crust | altered |
| Sample bagged: | yes |
| Bucket number: | 37 |
| Rock name: | Trachyte |
| Comments: | Mn-crust 3mm, infilled amygdale with mica, trachitic texture, very fined grained, plagioclase laths are not alligned. |