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Event details
Voyage: | IN2019_V04 [details] |
When: | 2019-08-24 10:56:55 UTC |
Log: | Geology_Rocks_in2019_v04 |
Equipment: | Not specified |
Position: | Latitude: -10.9861 Longitude: 157.4881 Position from underway logging |
Sample number: | in2019_v04_D36-005 |
Dredge: | D36 |
Sample Number Assigned: | Yes |
Sample photographed (include scale and sample number): | Yes |
Number of photos: | 4 |
Sample sawn: | Yes |
Sticker: | yes |
Colour: | black | grey-light | brown |
Composition: | mafic |
Alteration: | Mn crust |
Phenocryst mineralogy: | feldspar | pyroxene |
Phenocryst abundance (%): | 100 |
Vesicle abundance: | absent |
Sample bagged: | yes |
Bucket number: | 59 |
Rock name: | Massive feldspar-pyroxene-phyric dolerite |
Comments: | Crystalline groundmass. Mn crust thickness 0.5mm. Massive. Px phenocrysts partially altered red/brown. Elongate plag laths. |