Other ID: CHAIN 100-3
Organization(s): USGS, Woods Hole Coastal and Marine Science Center
Location: Red Sea, Indian Ocean,
Principal Investigator(s): John C. Hathaway
Affiliate Investigator(s): David Ross - WHOI
Information Specialist(s): Nancy K. Soderberg
Data Type(s): Sonar: Single Beam, Imagery: Photo, Sampling: Biology, Sampling: Geology, Visual Identification: Ground Truthing, Sampling: Chemistry, Seismics: Air Gun / Water Gun, Seismics: Boomer, Seismics: Bubble Gun, Seismics: Sparker, Seismics: Sub Bottom Profiler
Scientific Purpose/Goals: Conduct a geological and geophysical study of the Red Sea, especially the eastern margin; conduct further geological and geophysical studies of the hot brine area, including some geochemical prospecting; and determine if any other hot brine area exists.
Start Date: 1971-03-02
Start Port/Location: Massawa, Ethiopia
End Date: 1971-03-29
End Port/Location: Djibouti
Equipment Used: Echosounder, Camera- deep sea, Grab sampler, Seismic reflection, Mooring tripod, Water sampler, Geomechanique streamer
Information to be Derived: Samples and chemical analysis;
Summary of Activity and Data Gathered: Leg 3 of Cruise CHAIN 100 collected piston and gravity cores, seismic profiles, gravity data, magnetics, bathymetry, temperature measurements, and bottom photos. Hathaway will analyze cores using x-ray diffraction.
Staff: John C. Hathaway, Frank T. Manheim