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Event details
Voyage: | IN2019_V04 [details] |
When: | 2019-08-21 00:41:47 UTC |
Log: | Geology_Rocks_in2019_v04 |
Equipment: | Not specified |
Position: | Latitude: -12.6477 Longitude: 153.6417 Position from underway logging |
Sample number: | in2019_v04_D32_007 |
Dredge: | D32 |
Sample Number Assigned: | Yes |
Sample photographed (include scale and sample number): | Yes |
Number of photos: | 3 |
Sample sawn: | Yes |
Sticker: | yes |
Colour: | grey-light |
Composition: | sedimentary |
Alteration: | Mn crust | altered |
Grain size: | silt |
Grain shape: | rounded |
Sorting: | good |
Components: | crystals | other |
Sample bagged: | yes |
Bucket number: | 44 |
Rock name: | Very fine grained siltstone? |
Comments: | Mn-crust 3 mm, groundmass is too fine grained to tell what type of rock it is, sedimentary or volcanic? |