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Event details
Voyage: | IN2018_V08 [details] |
When: | 2019-01-02 10:00:12 UTC |
Log: | Geology_Rocks_in2018_v08 |
Equipment: | Not specified |
Position: | Latitude: -37.6406 Longitude: 156.2285 Position from underway logging |
Sample number: | IN2018_V08_D10_004 |
Dredge: | 10 |
Dredge Date: | 02/01/2019 |
Sample Number Assigned: | Yes |
Sample photographed (include scale and sample number): | Yes |
Sample sawn: | Yes |
Sawn sample photographed: | Yes |
Number of photos: | 3 |
Colour: | black | brown |
Composition: | mafic |
Alteration: | Fresh | Mn crust | altered |
Groundmass: | microcrystaline | altered |
Sample bagged: | yes |
Sticker: | yes |
Bucket number: | 026 |
Rock name: | aphyric vesicular basalt |
Comments: | vesicles are large 2-3mm diamter, feldspar microlites, thin <0.5cm mn crust, but one side is thicker - 2cm |