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Event details
Voyage: | IN2018_V08 [details] |
When: | 2019-01-02 22:56:17 UTC |
Log: | Geology_Rocks_in2018_v08 |
Equipment: | Not specified |
Position: | Latitude: -38.5855 Longitude: 155.2285 Position from underway logging |
Sample number: | IN2018_V08_D11_018 |
Dredge: | 11 |
Dredge Date: | 03/01/2019 |
Sample Number Assigned: | Yes |
Sample photographed (include scale and sample number): | Yes |
Sample sawn: | Yes |
Sawn sample photographed: | Yes |
Number of photos: | 2 |
Colour: | black | grey-dark | white | brown |
Composition: | mafic |
Alteration: | Mn crust | altered |
Groundmass: | microcrystaline | altered |
Vesicle abundance: | moderate (30-50%) |
Sample bagged: | yes |
Sticker: | yes |
Bucket number: | 028 |
Rock name: | Scoria with thick Mn crust |
Comments: | 25 mm Mn crust. Zeolite infills in vesicles. |