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Event details
Voyage: | IN2019_V04 [details] |
When: | 2019-08-19 06:04:35 UTC |
Log: | Geology_Rocks_in2019_v04 |
Equipment: | Not specified |
Position: | Latitude: -14.2498 Longitude: 155.5495 Position from underway logging |
Sample number: | in2019_v04_D28_002 |
Dredge: | D28 |
Sample Number Assigned: | Yes |
Sample photographed (include scale and sample number): | Yes |
Number of photos: | 3 |
Sample sawn: | No |
Sticker: | yes |
Colour: | black | white | brown |
Composition: | mafic |
Phenocryst mineralogy: | altered |
Phenocryst abundance (%): | 0 |
Vesicle abundance: | 10-30% |
Vesicle Filling (%): | 100% |
Vesicle fill: | calcite |
Alteration: | Mn crust | altered |
Sample bagged: | yes |
Bucket number: | 37 |
Rock name: | Aphyric Vesicular basalt |
Comments: | 35 mm Mn oxide crust. Shape of vesicles varies. Altered groundmass. |