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Event details
Voyage: | IN2020_V01 [details] |
When: | 2020-02-04 15:10:25 UTC |
Log: | Geology_Rocks_in2020_v01 |
Equipment: | Not specified |
Position: | Latitude: -53.1387 Longitude: 82.0179 Position from underway logging |
Sample number: | IN2020_V01_D09_028 |
Dredge: | D09 |
Sample Number Assigned: | Yes |
Sample photographed (include scale and sample number): | yes, in IN2020_V01_D09_028 |
Number of photos: | 3 |
Sample sawn: | Yes |
Sticker: | yes |
Colour: | grey-light |
Composition: | mafic |
Alteration: | Mn crust | altered |
Phenocryst abundance (%): | 0 |
Groundmass: | microcrystaline |
Mn crust thickness (mm): | 1 |
Vesicle abundance: | 10-30% |
Vesicle Filling (%): | 80 |
Vesicle fill: | Calcite, other |
Sample bagged: | yes |
Bucket number: | 5 of 6 |
Rock name: | Moderately altered, vesicular aphanitic basalt |
Original Sample Dimensions: | 21 x 14 x 9 cm |
Comments: | Moderate alteration, minor fracturing. Vesicles filled with white and black material. Weakly magnetic |