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Event details
Voyage: | IN2019_V04 [details] |
When: | 2019-08-24 11:02:20 UTC |
Log: | Geology_Rocks_in2019_v04 |
Equipment: | Not specified |
Position: | Latitude: -11.0002 Longitude: 157.4916 Position from underway logging |
Sample number: | in2019_v04_D36-004 |
Dredge: | D36 |
Sample Number Assigned: | Yes |
Sample photographed (include scale and sample number): | Yes |
Number of photos: | 3 |
Sample sawn: | Yes |
Sticker: | yes |
Colour: | grey-dark | grey-light | green |
Composition: | sedimentary |
Alteration: | Mn crust | altered |
Grain size: | silt |
Grain shape: | rounded |
Sorting: | good |
Components: | quartz | other |
Sample bagged: | yes |
Bucket number: | 59 |
Rock name: | Green thinlly bedded (?) mudstone with crystalline layers (?) |
Comments: | quartz? and other?. not carbonate. similar to sample 004 except less fractured and crystalline patches form layers/ bedding > 1cm thick. layers filled with crystals (quartz?) or volcanoclastic or ash? and hard. fractures, not aligned with layers, infilled with black layers <0.5 mm thick. |