Cascadia Margin-Hydrate Ridge - United States of America

Northeast Pacific offshore Oregon

United States of America

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This information was updated on 14/07/2011

Recorded Datafields

PRIMARY INSTITUTION

Ocean Drilling Programme

EXPEDITION

Legs 146 and 204

WATER DEPTH

670-1213

HYDRATE DEPTH (mbsf)

0-192

DESCRIPTION

Hydrate present from near seafloor surface to 192 m (mostly disseminated) depending on sample hole. Occurrence type includes: nodules up to 2cm thick; veins up to 5 cm thick and localised massive hydrate layers both in drill core and at or near seafloor. Hydrate Ridge has been extensively studies and samples with detailed description available from the ODP library.

LATITUDE - LONGITUDE

44° 34' N - 125° 9' W

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