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Event details
Voyage: | IN2019_V04 [details] |
When: | 2019-08-15 00:37:42 UTC |
Log: | Geology_Rocks_in2019_v04 |
Equipment: | Not specified |
Position: | Latitude: -16.7443 Longitude: 155.5637 Position from underway logging |
Sample number: | in2019_v04_D16_004 |
Dredge: | D16 |
Sample Number Assigned: | Yes |
Sample photographed (include scale and sample number): | Yes |
Number of photos: | 3 |
Sample sawn: | Yes |
Sticker: | yes |
Colour: | white |
Composition: | carbonate |
Alteration: | Mn crust |
Grain size: | pebble (2-64 mm) |
Grain shape: | mixture |
Sorting: | poor |
Components: | carbonate/shell |
Cement: | calcite |
Sample bagged: | yes |
Bucket number: | 33 |
Rock name: | Foram rich grainstone |
Comments: | Mn crust 1 -2 mm, grain supported textural feature identified, very thinly bedded (1-3 cm) fossils, green patches along the bedding surface (could be bacterial growth or fungi) |