USGS Coastal and Marine Geology Program

Coastal & Marine Geology Program

Field Activity Details for field activity 2012-018-FA

Other ID: none

Status: Cancelled

Organization(s): USGS, Woods Hole Coastal and Marine Science Center

Funding Program(s):

Principal Investigator(s): John Pohlman

Affiliate Investigator(s): Stefan Siefert, Woods Hole Oceanographic Institute

Information Specialist(s): John Pohlman

Data Type(s): Sampling: Chemistry, Sonar: Sidescan

Scientific Purpose/Goals: Carbon cycling and methane dynamics at the Blake Ridge Diapir methane seep


Start Date: 2012-07-13

Start Port/Location: Narragansett RI, USA

End Date: 2012-07-26

End Port/Location: Narragansett RI, USA

Equipment Used: Pore water sampling, Q-MIPS sidescan sonar system

Information to be Derived: Samples and chemical analysis;

Summary of Activity and Data Gathered:


Affiliate Staff:
Tom Lorenson
Western Coastal and Marine Geology

Project = Natural Gas Hydrates/DOE,


Blake Ridge Diapir, United States, North America, North Atlantic

North: 32.80236 South: 31.16581 West: -77.6909 East: -75.6958


photo of Endeavor


Mosher, D.C., Shimeld, J. Hutchinson, D., Jackson, R., Chian, D., Lebedeva-Ivanova, N., Oakey, G., Evangelatos, J., Li, Q., Funck, T., Mayer, L., Verhoef, J., and Forbes, S, 2012, Re-evaluating Amerasian Basin tectonics and sedimentation with new geophysical data: , 34th IGC Conference. Brisbane, Australia, August 5-10 2012.


Data Acquired

Survey EquipmentSurvey InfoData Type(s)Data Collected
Pore water sampling --- Chemistry
Q-MIPS sidescan sonar system --- Sidescan