This contains shipboard GRAPE (gamma-ray attenuation porosity evaluator), index property, magnetic susceptibility, reflectance, P-wave, and natural gamma data of cores collected onboard the JOIDES Resolution during Leg 158 (see directory structure).

Core Data Directory Structure

Each site number (below) is linked to a list of datasets. For information about the acquisition and standards of the separate datasets, refer to these files:

GRAPE information
Index property information
Magnetic Susceptibility information
Natural gamma data information
P-wave information
Reflectance information

If you have questions specifically about this material please contact the Data Librarian ( at the Ocean Drilling Program.

These are individual ASCII text files.