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Event details
Voyage: | IN2020_V01 [details] |
When: | 2020-03-03 22:35:03 UTC |
Log: | Geology_Rocks_in2020_v01 |
Equipment: | Not specified |
Position: | Latitude: -32.6002 Longitude: 106.746 Position from underway logging |
Sample number: | IN2020_V01_D21_013 |
Dredge: | D21 |
Sample Number Assigned: | Yes |
Sample photographed (include scale and sample number): | yes, in IN2020_V01_D21_013 |
Number of photos: | 3 |
Sample sawn: | Yes |
Sticker: | no |
Colour: | grey-dark |
Composition: | mafic |
Alteration: | Mn crust | altered |
Phenocryst abundance (%): | 0 |
Groundmass: | microcrystaline | altered |
Mn crust thickness (mm): | 2 |
Vesicle abundance: | <10% |
Vesicle Filling (%): | 100 |
Vesicle fill: | Fe oxide |
Sample bagged: | yes |
Bucket number: | 2 of 4 |
Rock name: | Weakly altered, aphanitic basalt |
Original Sample Dimensions: | 13x9x14 cm |
Comments: | Minor Fe oxide alteration. Minor fracturing. |