Data Trawler - Deployment Details

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Deployment Details

Survey: - SS200302 [details]

Deployment Type: - Sediment Sampling

Station: TD-17

When: 2003-03-22 08:35 UTC

Where: 22° 50.4' S    176° 26.8' E

Maximum Depth (m): unknown

Sediment Sampling details

Device used: Dredge - unspecified

ContentsTop (m)Base (m)
Medium grey feldspar-bearing chlorite-sericite altered rock, strongly magnetic (magnetite-bearing) with chlorite veinlets. Microcrystalline groundmass; almost holocrystalline.
Strongly vesicular feldspar-pyroxene phyric basalt-basaltic andesite with Fe-oxide coating and rare Fe-oxide vesicle fill. Magnetite-bearing.
Non-vesicular, much finer grained, plagioclase-pyroxene bearing basalt-basaltic andesite with Fe-oxide stained devitrified glassy rind. Non magnetic.
Grey densely plagioclase-phyric lava. Two generations of vesicles, with some small and evenly distributed and others large and irregular.
Sparsely to moderately plagioclase phyric lava with no vesicles. Dark orange altered glass. Probably the same as 17-03.
Very dark, moderately plagioclase-phyric lava. Has a moderate vesicularity with medium-sized vesicles that are elongated towards the cooling surface. Weathered brown-orange glass.
Highly vesicular ?frothy? block. Sparsely plagioclase-phyric. Quench surface.
Large pillow with buff weathered glass. Densely plagioclase-phyric, with plagioclase to 3 mm across. Non vesicular with dark interior.
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