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Deployment Details
Survey: - SS200302 [details]
Deployment Type: - Sediment Sampling
Station: TD-23
When: 2003-03-23 18:15 UTC
Where: 22° 42.5' S 176° 45.6' E
Maximum Depth (m): unknown
Sediment Sampling details
Device used: Dredge - unspecified
| Contents | Top (m) | Base (m) |
|---|---|---|
| As above (23-01); a duplicate to check on glass geochemistry. | ||
| Fresh black glassy andesite pillows. Sparsely phyric, with 1 pale yellow olivine phenocryst 3-5 mm in diameter every third of fourth block. Well developed glass crust on upper and lower surfaces of pillows. Some pillows have drained leaving empty tubes 5-10 cm in diameter. Very slight browning of some surfaces is the only weathering. All of the haul is this lithology. Weakly vesicular with vesicles elongated in subparallel rows and up to 0.5-1.0 cm long. |