Site SummariesSite: ODP Site 682
Position: 11°15.99'S, 79°03.73'W
Water Depth: 3789 m
Sediment Thickness: >436 m
Target Drilling Depth: 436 m
Approved Maximum Penetration: Requested same maximum penetration as for Leg 112.
Seismic Coverage: HIG MCS line 13.
See seismic line.
1) Compare standard continental margin site without subsurface brine flow to other sites occupied during this expedition.
2) Examine microbial communities and activity in a possible hydrate-bearing environment.
Drilling Program: TBD
Logging and Downhole Program: TBD
Nature of Rock Anticipated: Diatomaceous mud, mudstone, siliceous ooze, silt, and siltstone.
Site Summaries: Site 686 | Table of Contents