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Deployment Details
Survey: - SS200302 [details]
Deployment Type: - Sediment Sampling
Station: TD-66
When: 2003-04-02 13:44 UTC
Where: 21° 22.8' S 175° 45.2' E
Maximum Depth (m): unknown
Sediment Sampling details
Device used: Dredge - unspecified
Contents | Top (m) | Base (m) |
---|---|---|
Greenish grey pyroxene-plagioclase andesite. 5% plagioclase phenocrysts to 2 mm across and trace dark green clinopyroxene. Pervasively weathered (altered?) with yellow-green clays in the groundmass (pseudomorphing groundmass olivine?). Rare white carbonate or zeolite veinlets. Boulder in a conglomerate as for 66-01. | ||
Reddish grey pyroxene-plagioclase andesite. ~15% plagioclase and 10% dark green clinopyroxene phenocrysts, both 2-3 mm in diameter. Dense solid lava. Large angular boulder in a conglomerate of weathered ~5 mm diameter volcaniclastics. Surface of conglomerate is dusted with black MnOx and encrusted with biota. |