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Event details
Voyage: | IN2019_V04 [details] |
When: | 2019-08-11 13:06:22 UTC |
Log: | Geology_Rocks_in2019_v04 |
Equipment: | Not specified |
Position: | Latitude: -20.3304 Longitude: 155.8175 Position from underway logging |
Sample number: | in2019_v04_D07_004 |
Dredge: | D07 |
Sample Number Assigned: | Yes |
Sample photographed (include scale and sample number): | Yes |
Number of photos: | 2 |
Sample sawn: | Yes |
Sticker: | yes |
Colour: | black | white | brown |
Composition: | sedimentary |
Alteration: | Fresh | Mn crust |
Grain size: | silt | sand (<2 mm) |
Grain shape: | rounded |
Sorting: | moderate |
Components: | carbonate/shell |
Cement: | other carbonate |
Sample bagged: | yes |
Bucket number: | 14 |
Rock name: | Limestone |
Comments: | carbonate, mostly carbonate mudstone, evidence of infill with Mn perhaps?, small bivalve fossils (<1mm)?, refer to the diagram |