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Event details
Voyage: | IN2019_V04 [details] |
When: | 2019-08-23 06:26:43 UTC |
Log: | Geology_Rocks_in2019_v04 |
Equipment: | Not specified |
Position: | Latitude: -10.4266 Longitude: 156.8511 Position from underway logging |
Sample number: | in2019_v04_D35-052 |
Dredge: | D35 |
Sample Number Assigned: | Yes |
Sample photographed (include scale and sample number): | Yes |
Number of photos: | 2 |
Sample sawn: | Yes |
Sticker: | yes |
Colour: | black | white |
Composition: | carbonate |
Alteration: | Fresh | Mn crust |
Grain size: | silt |
Grain shape: | rounded |
Sorting: | good |
Components: | glass |
Cement: | calcite |
Sample bagged: | yes |
Bucket number: | 56 |
Rock name: | Calcareous mudstone. |
Comments: | Mn crust 20mm. No obvious fossils. Trace fossils (burrows). Cracks and burrows coated with MnOx. Pattern in cracking? |