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Event details
Voyage: | IN2019_V04 [details] |
When: | 2019-08-25 23:05:53 UTC |
Log: | Geology_Rocks_in2019_v04 |
Equipment: | Not specified |
Position: | Latitude: -13.589 Longitude: 159.2578 Position from underway logging |
Sample number: | in2019_v04_D41-026 |
Dredge: | D41 |
Sample Number Assigned: | Yes |
Sample photographed (include scale and sample number): | Yes |
Number of photos: | 6 |
Sample sawn: | Yes |
Sticker: | yes |
Colour: | grey-light | white | brown |
Grain size: | silt | sand (<2 mm) |
Grain shape: | rounded |
Sorting: | good |
Cement: | other carbonate |
Sample bagged: | yes |
Bucket number: | 76 |
Rock name: | Carbonate encrusted "chert-like" mudstone |
Comments: | Contains non-carbonate mud. Carbonate outer layer (fizzes) Very fine grained internal darker stone. Potentially chert/mudstone internals - no fizz, no skratch. Sharp contacts on bedding. |