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Event details
Voyage: | IN2019_V04 [details] |
When: | 2019-09-01 05:28:14 UTC |
Log: | Geology_Rocks_in2019_v04 |
Equipment: | Not specified |
Position: | Latitude: -24.3187 Longitude: 158.4815 Position from underway logging |
Sample Number Assigned: | Yes |
Sample photographed (include scale and sample number): | y |
Number of photos: | 3 |
Sample sawn: | Yes |
Sticker: | yes |
Colour: | black | grey-light | white |
Composition: | carbonate |
Alteration: | Mn crust | altered |
Grain size: | sand (<2 mm) |
Grain shape: | rounded |
Sorting: | poor |
Components: | carbonate/shell |
Cement: | calcite |
Sample bagged: | yes |
Bucket number: | 96 |
Rock name: | Coral base onto carbonate mudstone. |
Comments: | 0.5 mm Mn crust. Top of rock Mn-oxide covered coral base with bioturbation. Below coral base is bioturbated carbonate mudstone. Gains are too small to see without microscope. |
Sample number: | in2019_v04_D55-033 |
Dredge: | D55 |