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Event details
| Voyage: | IN2019_V04 [details] |
| When: | 2019-08-23 22:38:56 UTC |
| Log: | Geology_Rocks_in2019_v04 |
| Equipment: | Not specified |
| Position: | Latitude: -10.2887 Longitude: 157.3138 Position from underway logging |
| Sample number: | in2019_v04_D36-040 |
| Dredge: | D36 |
| Sample Number Assigned: | Yes |
| Sample photographed (include scale and sample number): | Yes |
| Number of photos: | 5 |
| Sample sawn: | Yes |
| Sticker: | yes |
| Colour: | black | grey-dark | grey-light | white | red | brown | green |
| Composition: | mafic |
| Alteration: | Mn crust | altered |
| Phenocryst mineralogy: | feldspar |
| Features: | volcanic brecciated |
| Vesicle abundance: | <10% |
| Vesicle Filling (%): | 70 |
| Vesicle fill: | calcite, clay and iron oxide |
| Grain size: | pebble (2-64 mm) |
| Grain shape: | angular |
| Sorting: | poor |
| Components: | volcanic vesicular | carbonate/shell |
| Cement: | calcite |
| Sample bagged: | yes |
| Bucket number: | 65 |
| Rock name: | Altered clast supported polymict mafic clast - bearing breccia |
| Comments: | Polymictic - dolorite and fine grained basalt. Serecite/epidote/chlorite- dimonal with veins. Calcite veins + crystals (fizz). FeO2 infillig. Varying degree of weatherin. Clast supported. |