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Event details
Voyage: | IN2020_V01 [details] |
When: | 2020-02-04 14:37:45 UTC |
Log: | Geology_Rocks_in2020_v01 |
Equipment: | Not specified |
Position: | Latitude: -53.1243 Longitude: 82.093 Position from underway logging |
Sample number: | IN2020_V01_D09_021 |
Dredge: | D09 |
Sample Number Assigned: | Yes |
Sample photographed (include scale and sample number): | Yes in IN2020_V01_D09_021 |
Number of photos: | 3 |
Sample sawn: | Yes |
Sticker: | yes |
Colour: | pink |
Composition: | sedimentary |
Alteration: | Fresh | Mn crust |
Phenocryst mineralogy: | quartz |
Groundmass: | microcrystaline |
Mn crust thickness (mm): | 2 |
Sample bagged: | yes |
Bucket number: | 3 of 6 |
Rock name: | Red chert or chalcedony |
Original Sample Dimensions: | 17 x 11 x 2 cm |
Comments: | Colour is red/pink. Dark red banding concentric with surface. |