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Event details
Voyage: | IN2020_V01 [details] |
When: | 2020-03-03 20:02:17 UTC |
Log: | Geology_Rocks_in2020_v01 |
Equipment: | Not specified |
Position: | Latitude: -32.6408 Longitude: 106.1872 Position from underway logging |
Sample number: | IN2020_V01_D20_032 |
Dredge: | D20 |
Sample Number Assigned: | Yes |
Sample photographed (include scale and sample number): | yes, in IN2020_V01_D20_032 |
Number of photos: | 4 |
Sample sawn: | Yes |
Sticker: | no |
Colour: | grey-light |
Composition: | mafic |
Alteration: | Mn crust | altered |
Phenocryst abundance (%): | 0 |
Groundmass: | microcrystaline | altered |
Mn crust thickness (mm): | <1 |
Vesicle abundance: | <10% |
Vesicle Filling (%): | 95 |
Sample bagged: | yes |
Bucket number: | 4 of 5 |
Rock name: | Weakly altered, aphanitic basalt |
Original Sample Dimensions: | 14x10x6 cm |
Comments: | Fe oxide along fractures. Minor fracturing. |