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Event details
Voyage: | IN2020_V01 [details] |
When: | 2020-03-01 14:55:58 UTC |
Log: | Geology_Rocks_in2020_v01 |
Equipment: | Not specified |
Position: | Latitude: -33.6456 Longitude: 101.4567 Position from underway logging |
Sample number: | IN2020_V01_D19_004 |
Dredge: | D19 |
Sample Number Assigned: | Yes |
Sample photographed (include scale and sample number): | yes, in IN2020_V01_D19_004 |
Number of photos: | 4 |
Sample sawn: | Yes |
Sticker: | yes |
Colour: | grey-light | green |
Composition: | mafic |
Alteration: | Mn crust | altered |
Phenocryst abundance (%): | 0 |
Mn crust thickness (mm): | 25 |
Vesicle abundance: | 10-30% |
Vesicle Filling (%): | 80 |
Vesicle fill: | Black mineral |
Sample bagged: | yes |
Bucket number: | 1 of 1 |
Rock name: | Moderately altered, vesicular, aphanitic basalt |
Original Sample Dimensions: | 25x8x8 cm |
Comments: | Mn coating thick on upper surface. Has a rip-off surface; may be in-situ. Minor fracturing infilled with white minerals. |