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Event details
Voyage: | IN2019_V04 [details] |
When: | 2019-08-23 06:19:20 UTC |
Log: | Geology_Rocks_in2019_v04 |
Equipment: | Not specified |
Position: | Latitude: -10.4141 Longitude: 156.8454 Position from underway logging |
Sample number: | in2019_v04_D35-051 |
Dredge: | D35 |
Sample Number Assigned: | Yes |
Sample photographed (include scale and sample number): | Yes |
Number of photos: | 3 |
Sample sawn: | Yes |
Sticker: | yes |
Colour: | grey-dark | brown | yellow |
Composition: | sedimentary |
Alteration: | Fresh |
Grain size: | silt |
Grain shape: | rounded |
Sorting: | moderate |
Components: | carbonate/shell | other |
Cement: | calcite |
Sample bagged: | yes |
Bucket number: | 56 |
Rock name: | Very thinly bedded to laminated calcareous mudstone |
Comments: | Finely laminated, v fine grained. Thin beds of lighter yellowy-brown (more calcareous) to darker-brown (more clay rich). All very soft. Some lenticular structures completely full of clay ~3mm n diameter. Possible burrows? |