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Event details
Voyage: | IN2019_V04 [details] |
When: | 2019-08-24 02:39:58 UTC |
Log: | Geology_Rocks_in2019_v04 |
Equipment: | Not specified |
Position: | Latitude: -10.5254 Longitude: 157.3334 Position from underway logging |
Grain size: | pebble (2-64 mm) |
Grain shape: | angular |
Sorting: | poor |
Components: | volcanic non-vesicular |
Sample bagged: | yes |
Bucket number: | 71 |
Rock name: | poly mictic pyroxene-rich mafic clast supported breccia |
Comments: | pyroxene-rich clasts and microcrystalline basalt clasts, some veins filled with calcite, Fe2O3 altered vesicles |
Sample number: | in2019_v04_D37-019 |
Dredge: | D37 |
Sample Number Assigned: | Yes |
Sample photographed (include scale and sample number): | Yes |
Number of photos: | 3 |
Sample sawn: | Yes |
Sticker: | yes |
Colour: | black | grey-dark | white |
Composition: | mafic |
Alteration: | altered |
Phenocryst mineralogy: | pyroxene |
Features: | volcanic brecciated |
Vesicle abundance: | <10% |
Vesicle Filling (%): | 80 |
Vesicle fill: | calcite, altered calcite, zeolite |