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Event details
Voyage: | IN2019_V04 [details] |
When: | 2019-08-23 05:03:32 UTC |
Log: | Geology_Rocks_in2019_v04 |
Equipment: | Not specified |
Position: | Latitude: -10.4935 Longitude: 156.8506 Position from underway logging |
Sample number: | in2019_v04_D35-026 |
Dredge: | D35 |
Sample Number Assigned: | Yes |
Sample photographed (include scale and sample number): | Yes |
Number of photos: | 4 |
Sample sawn: | Yes |
Sticker: | yes |
Colour: | black | grey-dark |
Composition: | mafic |
Phenocryst mineralogy: | feldspar |
Vesicle abundance: | absent |
Alteration: | altered |
Sample bagged: | yes |
Bucket number: | 57 |
Rock name: | Dolerite. Phenocrysts 2mm in size. |
Comments: | Crystalline groundmass, Mn crust thickness 25mm, |