Cruise DRFT06RRLima, Peru Easter Island, ChileSurvey of the Nazca Ridge and Easter/Salas y Gomez Seamount ChainNovember 5th December 14th, 2001 on the R/V Roger Revelle

David Naar, Univ. of S. Florida, Chief ScientistKevin Johnson, Bishop Museum, Co-ChiefDoug Pyle, Oregon State Univ., Co-ChiefPaul Wessel, Univ. of Hawaii, Co-ChiefGreg Berman and Kate Ciembronowicz, USFBrian Donahue and Leigh Ann Elgin, USFYasushi Harada and Jyotiranjan S. Ray, UHChris Russo, Oregon State UniversityHetu Sheth, University of HawaiiAmy Wright, USF

(in spirit: Robert Duncan, Co-PI, OSU & John Mahoney, Co-PI, UH) Cruise Participants:

Predicted bathymetry map of study area with previous sample locations

Box E

SMT 19

Cone Type Volcano

SMT 19 - 2D - Bathymetry-23d 50-24d 00-83d 50-83d 40-83d 30

SMT 19 - Sidescan Data23d 4024d 0023d 50Back Scatter (dB)-45 -40 -35 -25 -20 -15 -10 -5-84d 00 -83d 45 -83d 30 -83d 15

SMT 19 - 2D Bathymetry - Caris23d 4024d 0023d 50-84d 00 -83d 45 -83d 30 -83d 15Processed at 110 Meters per pixel

SMT 19 - 3D Bathymetry CarisProcessed at 110 meters per pixel, vertical exaggeration 10 X

SMT 20

Ridge type volcanic structure

SMT 20 - 2D Bathymetry-23d 50-24d 00-84d 10-84d 00-83d 50

SMT 20 - Sidescan Data24d 0024d 2024d 10Back Scatter (dB)-45 -40 -35 -25 -20 -15 -10 -5-84d 30 -84d 15 -84d 00 -83d 45 -83d 30

SMT 20 - 2D Bathymetry - Caris24d 0024d 2024d 10-84d 30 -84d 15 -84d 00 -83d 45 -83d 30 Processed at 110 Meters per pixel

SMT 20 - 3D Bathymetry CarisProcessed at 110 meters per pixel, vertical exaggeration 10 X

Plate BoundariesSee wax video

Hot Spot Time Animation

Dredge StatsTotal: 68 datable geochem other empty 24 9 24 11This comes out to a batting average of352 for rocks suitable for dating485 for rocks suitable for geochemistry(not bad for old volcanoes IODP next)(other includes biology, sediments, andAlien space pods)

Thanks to the Captain and Crewof the R/V Revelle and our computer experts Dan Jacobson and Steve Foley

Special thanks to Gene Pillard, The Guru of Dredging

For additional information:on board: http://revelle.uscd.edu/Revelle/drft06rr/on land: http://www.marine.usf.edu/

And FinallyThe Cruise T-shirt

The Front

see Kate, $15 eachThe Back