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Event details
Voyage: | IN2019_V04 [details] |
When: | 2019-08-23 03:07:53 UTC |
Log: | Geology_Rocks_in2019_v04 |
Equipment: | Not specified |
Position: | Latitude: -10.8399 Longitude: 156.7431 Position from underway logging |
Sample number: | in2019_v04_D35_006 |
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 | grey-dark |
Composition: | mafic |
Phenocryst mineralogy: | feldspar |
Groundmass: | microcrystaline | altered |
Vesicle abundance: | absent |
Alteration: | Mn crust | altered |
Sample bagged: | yes |
Bucket number: | 53 |
Rock name: | Fine grained feldspar phyric basalt |
Comments: | Veins filled with Fe2O3?, black fragments could be MnO2 particles |