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Event details
Voyage: | IN2019_V04 [details] |
When: | 2019-08-11 14:32:36 UTC |
Log: | Geology_Rocks_in2019_v04 |
Equipment: | Not specified |
Position: | Latitude: -20.2134 Longitude: 155.5487 Position from underway logging |
Sample number: | in2019_v04_D07_017 |
Dredge: | D07 |
Sample Number Assigned: | Yes |
Sample photographed (include scale and sample number): | Yes |
Number of photos: | 2 |
Sample sawn: | No |
Sticker: | yes |
Colour: | black | grey-dark | white | brown |
Composition: | mafic |
Groundmass: | microcrystaline |
Features: | volcanic brecciated |
Vesicle abundance: | 30-50% |
Vesicle Filling (%): | 90 |
Vesicle fill: | calcite, ooze |
Alteration: | altered |
Grain size: | sand (<2 mm) | pebble (2-64 mm) |
Grain shape: | mixture |
Sorting: | poor |
Components: | volcanic vesicular |
Cement: | calcite |
Sample bagged: | yes |
Bucket number: | 17 |
Rock name: | Mafic volcanic breccia |
Comments: | No visible fresh minerals. Elongated vesicles. Read sketch on the sheet! |