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Event details
Voyage: | IN2018_V08 [details] |
When: | 2018-12-29 23:04:45 UTC |
Log: | Geology_Rocks_in2018_v08 |
Equipment: | Not specified |
Position: |
Latitude: -40.1408 Longitude: 157.11125
- entered into Elog as -40.140800, 157.111250 |
Sample number: | IN2018_V08_D02_002 |
Dredge: | 02 |
Dredge Date: | 29/12/2018 |
Sample Number Assigned: | Yes |
Sample photographed (include scale and sample number): | Yes |
Sample sawn: | Yes |
Sawn sample photographed: | Yes |
Number of photos: | 2 |
Colour: | grey-dark |
Composition: | mafic |
Alteration: | Fresh | Mn crust |
Phenocryst mineralogy: | feldspar | pyroxene | feromagnesian |
Phenocryst abundance (%): | 25 |
Phenocryst size range (mm): | 1-2 |
Groundmass: | microcrystaline |
Vesicle abundance: | moderate (30-50%) |
Sample bagged: | yes |
Sticker: | yes |
Bucket number: | 011 |
Rock name: | feldspar-pyroxene vesicular basalt |
Comments: | Contains iddingsite phenocrysts. Vesicles and amyglades present (filled with carbonates and vesicles are ~ 1 mm and round zeolites). |
Data entry comments: | First sample IN2018_V08_D2-001 is sediment. Dredge lat/lon and depth corresponds to location where dredge spikes begin (see comment in Table XX in DR2 Appendix). |
Comments: | Data entry comments: First sample IN2018_V08_D2-001 is sediment. Dredge lat/lon and depth corresponds to location where dredge spikes begin (see comment in Table XX in DR2 Appendix). |