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Event details
Voyage: | IN2018_V08 [details] |
When: | 2019-01-04 01:52:01 UTC |
Log: | Geology_Rocks_in2018_v08 |
Equipment: | Not specified |
Position: | Latitude: -40.5803 Longitude: 153.3451 Position from underway logging |
Sample number: | IN2018_V08_D13_054 |
Dredge: | 13 |
Dredge Date: | 04/01/2019 |
Sample Number Assigned: | Yes |
Sample photographed (include scale and sample number): | Yes |
Sample sawn: | Yes |
Sawn sample photographed: | Yes |
Number of photos: | 2 |
Colour: | red | brown |
Composition: | mafic |
Alteration: | Mn crust | altered |
Groundmass: | altered |
Vesicle abundance: | low (<30%) |
Sample bagged: | yes |
Sticker: | yes |
Bucket number: | 038 |
Rock name: | Fine-grained basalt (aphyric) |
Comments: | Small black, sometimes ovoid black areas (<0.5%) . Other vesicles infilled with clear zeolite. Mn-Oxide crust <1cm. |