Data Trawler - Deployment Details

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Deployment Details

Survey: - FR199709 [details]

Deployment Type: - Sediment Sampling

Station: MD-117

When: 1997-10-28 13:58 UTC

Where: 3° 48.0' S    152° 06.0' E

Maximum Depth (m): 1172

Sediment Sampling details

Device used: Dredge - unspecified

ContentsTop (m)Base (m)
native sulfur pieces
large block of altered dacite/andesite with trace native sulfur on surface
same as 134350
silica-altered dacite and native sulfur gravel, from sediment trap
same as 134353
same as 134353
weakly altered dacite with hyaloclastic crust, minor native sulfur and Fe-oxide
strongly silicified, hyaloclastic, sulfidic (py) dacite with minor sulfur
intensely silicified dacite with minor native sulfur
same as 134358
pyritic silicified dacite fragment
strongly silicified dacite fragments
dacite with native sulfur globules
vesicular, glassy dacite with native sulfur
strongly silicified, oxidised, vesicular volcanic
bulk sample of fine fragments (mostly <5cm)
same as 134365
same as 134365
bulk sample of least-altered, fsp-porphyritic, vesicular dacite/andesite (mostly 10-15cm)
bulk sample of dacite/andesite with Fe-oxide coatings (mostly 10-15cm)
bulk sample of strongly altered dacite/andesite with native sulfur (mostly 10-15cm)
same as 134370
three pieces of hyaloclastic dacite with minor Fe-oxide and native sulfur on surface
blocky, vesicular dacite with Fe-oxide alteration on surface
blocky vesicular volcanic with silica alteration, minor native sulfur, Fe-oxide stained hyaloclastic top
rounded block of vesicular dacite with Mn-oxidised crust, minor native sulfur and minor silica alteration
rounded block of altered dacite with native sulfur on surface
vesicular dacite with fine crust and minor native sulfur
vesicular dacite with Fe-oxidised surface
vesicular, glassy volcanic with oxide coating, minor native sulfur
two pieces of moderately altered dacite
weakly altered andesite/dacite with trace native sulfur
altered porphyritic vesicular dacite/andesite
glassy, vesicular, porphyritic andesite/dacite (flow top)
assorted fist-sized porphyritic vesicular andesite/dacite, most with native sulfur
large block of altered dacite/andesite with ~1% native sulfur on surface
same as 134350
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