Site Summaries
Site: ODP Site 682
Priority: Alternate
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.
Objectives:
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.
