Please login if you have access to particular applications.
Event details
| Voyage: | IN2019_V04 [details] |
| When: | 2019-08-13 09:48:29 UTC |
| Log: | Geology_Rocks_in2019_v04 |
| Equipment: | Not specified |
| Position: | Latitude: -19.4259 Longitude: 155.2814 Position from underway logging |
| Sample number: | in2019_v04_D11_008 |
| Dredge: | D11 |
| Sample Number Assigned: | Yes |
| Sample photographed (include scale and sample number): | Yes |
| Number of photos: | 5 |
| Sample sawn: | Yes |
| Sticker: | yes |
| Colour: | black | grey-light | brown | yellow |
| Composition: | mafic |
| Features: | volcanic brecciated | hyaloclastite |
| Vesicle abundance: | 30-50% |
| Vesicle Filling (%): | 10 |
| Vesicle fill: | clay |
| Alteration: | Fresh | Mn crust | altered |
| Grain size: | sand (<2 mm) | pebble (2-64 mm) |
| Grain shape: | angular |
| Sorting: | good |
| Components: | volcanic vesicular |
| Sample bagged: | yes |
| Bucket number: | 21 |
| Rock name: | Fresh monomictic matrix-supported vesicular basalt breccia or hyaloclastite? |
| Comments: | Monomictic vesicular basalt clasts within an altered volcanic matrix? Possibly a hyaloclastite!? |