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Event details
Voyage: | IN2019_V04 [details] |
When: | 2019-08-12 23:50:32 UTC |
Log: | Geology_Rocks_in2019_v04 |
Equipment: | Not specified |
Position: | Latitude: -19.4488 Longitude: 155.1479 Position from underway logging |
Sample number: | in2019_v04_D10_017 |
Dredge: | D10 |
Sample Number Assigned: | Yes |
Sample photographed (include scale and sample number): | Yes |
Number of photos: | 4 |
Sample sawn: | Yes |
Sticker: | yes |
Colour: | grey-dark | white | red | brown |
Phenocryst mineralogy: | feldspar | olivine[iddingsite] | other |
Phenocryst abundance (%): | 25 |
Phenocryst size range (mm): | < 1-2 |
Groundmass: | altered |
Features: | other |
Vesicle abundance: | 30-50% |
Vesicle Filling (%): | 30 |
Vesicle fill: | calcite |
Alteration: | Mn crust | altered |
Sample bagged: | yes |
Bucket number: | 20 |
Rock name: | Feldspar Iddingsite Phyric Vesicular Basalt |
Comments: | Mn crust 4mm, vein and vesicles filled with calcite, olivine is somewhat mishaped and altered |