Data Trawler - Deployment Details

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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

ContentsTop (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.
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