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Event details
Voyage: | IN2020_V01 [details] |
When: | 2020-02-04 15:05:22 UTC |
Log: | Geology_Rocks_in2020_v01 |
Equipment: | Not specified |
Position: | Latitude: -53.1343 Longitude: 82.0327 Position from underway logging |
Sample number: | IN2020_V01_D09_026 |
Dredge: | D09 |
Sample Number Assigned: | Yes |
Sample photographed (include scale and sample number): | yes, in IN2020_V01_D09_026 |
Number of photos: | 3 |
Sample sawn: | Yes |
Sticker: | yes |
Colour: | grey-light |
Composition: | mafic |
Alteration: | Mn crust | altered |
Phenocryst mineralogy: | feldspar |
Phenocryst abundance (%): | 20 |
Phenocryst size range (mm): | 1-3 |
Groundmass: | microcrystaline |
Mn crust thickness (mm): | 1 |
Vesicle abundance: | <10% |
Vesicle Filling (%): | 100 |
Sample bagged: | yes |
Bucket number: | 4 of 6 |
Rock name: | Vesicular phaneritic basalt |
Original Sample Dimensions: | 14 x 12 x 9.5 cm |
Comments: | moderate. Weak alteration. |