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Event details
Voyage: | IN2020_V01 [details] |
When: | 2020-03-03 22:37:50 UTC |
Log: | Geology_Rocks_in2020_v01 |
Equipment: | Not specified |
Position: | Latitude: -32.5994 Longitude: 106.7563 Position from underway logging |
Sample number: | IN2020_V01_D21_014 |
Dredge: | D21 |
Sample Number Assigned: | Yes |
Sample photographed (include scale and sample number): | yes, in IN2020_V01_D21_014 |
Number of photos: | 5 |
Sample sawn: | Yes |
Sticker: | no |
Colour: | grey-dark | brown |
Composition: | mafic |
Alteration: | Mn crust | altered |
Phenocryst abundance (%): | 0 |
Groundmass: | microcrystaline | altered |
Mn crust thickness (mm): | <1 |
Vesicle abundance: | 30-50% |
Vesicle Filling (%): | 100 |
Vesicle fill: | Black and white minerals |
Sample bagged: | yes |
Bucket number: | 2 of 4 |
Rock name: | Moderately altered, vesicular, aphanitic basalt |
Original Sample Dimensions: | 8x10x9 cm |
Comments: | Minor fracturing. |