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Event details
Voyage: | IN2019_V04 [details] |
When: | 2019-08-21 01:42:51 UTC |
Log: | Geology_Rocks_in2019_v04 |
Equipment: | Not specified |
Position: | Latitude: -12.6484 Longitude: 153.643 Position from underway logging |
Sample number: | in2019_v04_D32_025 |
Dredge: | D32 |
Sample Number Assigned: | Yes |
Sample photographed (include scale and sample number): | Yes |
Number of photos: | 3 |
Sample sawn: | Yes |
Sticker: | yes |
Colour: | black | grey-dark | grey-light | brown |
Alteration: | Mn crust |
Grain size: | silt |
Sorting: | good |
Sample bagged: | yes |
Bucket number: | 46 |
Rock name: | Fine grained, well sorted mudstone |
Comments: | Doesn't react with HCl, Mn crust 2mm,no visible crystals |