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Event details
| Voyage: | IN2019_V04 [details] |
| When: | 2019-08-24 11:03:56 UTC |
| Log: | Geology_Rocks_in2019_v04 |
| Equipment: | Not specified |
| Position: | Latitude: -11.0041 Longitude: 157.4926 Position from underway logging |
| Sample number: | in2019_v04_D36-008 |
| Dredge: | D36 |
| Sample Number Assigned: | Yes |
| Sample photographed (include scale and sample number): | Yes |
| Number of photos: | 3 |
| Sample sawn: | Yes |
| Sticker: | yes |
| Colour: | yellow | green |
| Composition: | sedimentary |
| Alteration: | altered |
| Phenocryst mineralogy: | pyroxene |
| Phenocryst abundance (%): | 5 |
| Sample bagged: | yes |
| Bucket number: | 59 |
| Rock name: | Green altered matrix-supported polymictic volcanic clast-bearing breccia |
| Comments: | dolorite and other volcanic clasts. Dolorite clasts mostlikely have piroxene. It seems like there are some layers. |
| Phenocryst size range (mm): | 1 |
| Groundmass: | microcrystaline |
| Features: | volcanic brecciated |
| Vesicle abundance: | <10% |
| Vesicle Filling (%): | 50 |
| Vesicle fill: | Mn-oxide (?) |
| Grain size: | sand (<2 mm) | pebble (2-64 mm) |
| Grain shape: | mixture |
| Sorting: | poor |
| Cement: | zeolite | other |