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Cruise DRFT06RR Lima, Peru – Easter Island, Chile

Cruise DRFT06RR Lima, Peru – Easter Island, Chile. Survey of the Nazca Ridge and Easter/Salas y Gomez Seamount Chain November 5 th – December 14 th , 2001 on the R/V Roger Revelle. David Naar, Univ. of S. Florida, Chief Scientist Kevin Johnson, Bishop Museum, Co-Chief

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Cruise DRFT06RR Lima, Peru – Easter Island, Chile

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  1. Cruise DRFT06RRLima, Peru – Easter Island, Chile Survey of the Nazca Ridge and Easter/Salas y Gomez Seamount Chain November 5th – December 14th, 2001 on the R/V Roger Revelle

  2. David Naar, Univ. of S. Florida, Chief Scientist Kevin Johnson, Bishop Museum, Co-Chief Doug Pyle, Oregon State Univ., Co-Chief Paul Wessel, Univ. of Hawaii, Co-Chief Greg Berman and Kate Ciembronowicz, USF Brian Donahue and Leigh Ann Elgin, USF Yasushi Harada and Jyotiranjan S. Ray, UH Chris Russo, Oregon State University Hetu Sheth, University of Hawaii Amy Wright, USF (in spirit: Robert Duncan, Co-PI, OSU & John Mahoney, Co-PI, UH) Cruise Participants:

  3. Predicted bathymetry map of study area with previous sample locations

  4. Box E

  5. SMT 19Cone Type Volcano

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

  7. SMT 19 - Sidescan Data 23d 40’ 23d 50’ 24d 00’ -84d 00’ -83d 45’ -83d 30’ -83d 15’ Back Scatter (dB) -45 -40 -35 -25 -20 -15 -10 -5

  8. SMT 19 - 2D Bathymetry - Caris 23d 40’ 23d 50’ 24d 00’ -84d 00’ -83d 45’ -83d 30’ -83d 15’ Processed at 110 Meters per pixel

  9. SMT 19 - 3D – Bathymetry Caris Processed at 110 meters per pixel, vertical exaggeration 10 X

  10. SMT 20 Ridge type volcanic structure

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

  12. SMT 20 - Sidescan Data 24d 00’ 24d 10’ 24d 20’ -84d 30’ -84d 15’ -84d 00’ -83d 45’ -83d 30’ Back Scatter (dB) -45 -40 -35 -25 -20 -15 -10 -5

  13. SMT 20 - 2D Bathymetry - Caris 24d 00’ 24d 10’ 24d 20’ -84d 30’ -84d 15’ -84d 00’ -83d 45’ -83d 30’ Processed at 110 Meters per pixel

  14. SMT 20 - 3D – Bathymetry Caris Processed at 110 meters per pixel, vertical exaggeration 10 X

  15. Plate Boundaries See wax video

  16. Hot Spot Time Animation

  17. Dredge Stats…… Total: 68 – datable geochem other empty 24 9 24 11 This comes out to a batting average of 352 for rocks suitable for dating 485 for rocks suitable for geochemistry (not bad for old volcanoes – IODP next) (other includes biology, sediments, and Alien space pods)

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

  19. Special thanks to Gene Pillard, “The Guru of Dredging”

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

  21. And Finally The Cruise T-shirt

  22. The Front

  23. The Back see Kate, $15 each

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