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Event details
Voyage: | IN2019_V04 [details] |
When: | 2019-08-23 06:08:29 UTC |
Log: | Geology_Rocks_in2019_v04 |
Equipment: | Not specified |
Position: | Latitude: -10.3911 Longitude: 156.8345 Position from underway logging |
Sample number: | in2019_v04_D35-048 |
Dredge: | D35 |
Sample Number Assigned: | Yes |
Sample photographed (include scale and sample number): | Yes |
Number of photos: | 3 |
Sample sawn: | Yes |
Sticker: | yes |
Colour: | black | white | brown | yellow | green |
Composition: | sedimentary |
Alteration: | altered |
Grain size: | silt |
Grain shape: | rounded |
Sorting: | moderate |
Components: | other |
Cement: | calcite | other |
Sample bagged: | yes |
Bucket number: | 56 |
Rock name: | Highly altered, slightly foliated, greenish mudstone with burrows. |
Comments: | Probably sedimentary. Or another rock type now altered to phylosillicates. 10mm Mn crust. Clay cement. Highly altered with white-brown-green fabric. Fabric looks slightly foliated. Fulll of small burrows ~1mm diameter with orange/black rusty alteration inside. |