PI Country:
USA
PIs:
Orcutt, J.; Forsyth, D.
Institution:
SCRIPPS INSTITUTION OF OCEANOGRAPHY
Funding:
NSF
Ocean:
S. Atlantic
Region:
S MAR
Jahr:
1990
Start Date:
8-Mar-1990
End Date:
11-Apr-1990 Multidisciplinary experiment with OBS refraction lines, gravity, magnetic and SeaBeam surveying; http://nsdl.sdsc.edu/cruises/PLUM04WT.html This research is designed to test several hypotheses concerning the dynamic processes responsible for creating the spatial and temporal variations in ridge geometry on the slow-intermediate spreading rate ridge system in the South Atlantic from 31-36S. The basic thrust of the experiments is to explore the nature of mantle convection in the vicinity of a spreading center and its role in modifying surface geometry and morphology of the ridge-transform system.
Ship:
R/V Thomas Washington 
