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Event details
Voyage: | IN2019_V04 [details] |
When: | 2019-08-10 15:46:33 UTC |
Log: | Geology_Rocks_in2019_v04 |
Equipment: | Not specified |
Position: |
Latitude: -20.88472 Longitude: 154.61111
- entered into Elog as -20.884722, 154.611111 |
Sample number: | in2019_v04_D04_017 |
Dredge: | D04 |
Sample Number Assigned: | Yes |
Sample photographed (include scale and sample number): | Yes |
Number of photos: | 4 |
Sample sawn: | No |
Sticker: | yes |
Colour: | grey-dark | red | brown | yellow |
Composition: | mafic |
Phenocryst mineralogy: | altered | other |
Phenocryst abundance (%): | Absent |
Groundmass: | microcrystaline |
Features: | volcanic brecciated |
Alteration: | altered |
Sample bagged: | yes |
Bucket number: | 11 |
Rock name: | Mafic volcanic breccia |
Comments: | Fairly altered, fine grained volcanic breccia with very interesting calcite cement infilling void space |