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Event details
Voyage: | IN2019_V04 [details] |
When: | 2019-08-31 02:37:32 UTC |
Log: | Geology_Rocks_in2019_v04 |
Equipment: | Not specified |
Position: | Latitude: -22.7606 Longitude: 159.74 Position from underway logging |
Sample number: | in2019_v04_D51-007 |
Dredge: | D51 |
Sample Number Assigned: | Yes |
Sample photographed (include scale and sample number): | Yes |
Number of photos: | 6 |
Sample sawn: | Yes |
Sticker: | yes |
Colour: | white | brown |
Composition: | sedimentary |
Alteration: | Mn crust |
Grain size: | silt | sand (<2 mm) |
Grain shape: | rounded |
Sorting: | good |
Components: | carbonate/shell |
Cement: | calcite |
Sample bagged: | yes |
Bucket number: | 90 |
Rock name: | Well sorted calcareous fine-grained sandstone |
Comments: | Very fine sand and some silt. Burrows on exterior extnd into the mifddle. Some burrows sh0ow the same direction and are up to 0.5 cm diameter and 10 cm long. Some are filled with carbonate mud. Mn-oxide crust 1-5 mm thick |
Comments: | Very fine sand |