Data Trawler - Deployment Details

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Deployment Details

Survey: - SS200302 [details]

Deployment Type: - Sediment Sampling

Station: TD-24

When: 2003-03-23 20:41 UTC

Where: 22° 43.4' S    176° 46.4' E

Maximum Depth (m): unknown

Sediment Sampling details

Device used: Dredge - unspecified

ContentsTop (m)Base (m)
Large aphyric pillow with sparse occasional plagioclase microphenocrysts. 10% vesicles (+/- in bands), generally spherical and 1-2 mm in diameter. Glassy outer surface is red-brown. About ~200 g of glass was removed. A large sub-sample was archived in its own bucket. Appears basaltic rather than andesitic.
Two walnut-sized pieces of glassy black lava with tubular vesicles.
Two smaller (500 g each) pillow pieces. Characterised by very smooth glass surfaces- shiny black. Aphyric. Vesicular (15%) evenly distributed from <1 mm to <<1 mm across.
Very similar set of three pillows. Archived as a subset in its own bucket with the glass removed.
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