• Chapter contents
• Abstract
• Introduction
• Methods and materials
• Results
• Acknowledgments
• References
• Figures
• F1. Expedition 342 drill sites.
• F2. AF demagnetization results from U-channel samples.
• F3. AF demagnetization results from discrete samples.
• F4. Summed angle of the MTF.
• F5. NRM intensity, PCA inclination and declination, MAD, and VGP latitude, Site U1403.
• F6. NRM intensity, PCA inclination and declination, MAD, and VGP latitude, Site U1408.
• F7. NRM intensity, PCA inclination and declination, MAD, and VGP latitude, Site U1409.
• F8. NRM intensity, PCA inclination and declination, MAD, and VGP latitude, Site U1410.
• Tables
• T1. AF demagnetization results for discrete samples, Hole U1408A.
• T2. AF demagnetization results for discrete samples, Hole U1410A.
• T3. Core orientation data.
• T4. Magnetostratigraphic tie points, Site U1403.
• T5. Magnetostratigraphic tie points, Site U1408.
• T6. Magnetostratigraphic tie points, Site U1409.
• T7. Magnetostratigraphic tie points, Site U1410.
• PDF file

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doi:10.2204/iodp.proc.342.207.2018

Data report: updated magnetostratigraphy for IODP Sites U1403, U1408, U1409, and U1410¹

Yuhji Yamamoto,² Hiroto Fukami,² Wakana Taniguchi,² and Peter C. Lippert³

Abstract

We conducted detailed paleomagnetic measurements on the sedimentary sections recovered at Integrated Ocean Drilling Program (IODP) Sites U1403, U1408, U1409, and U1410 during Expedition 342 to update the shipboard magnetostratigraphy. The intervals with negative inclinations are more clearly defined than the shipboard results, and this result has allowed us to refine chron boundary depths. In most cases, the chron boundary depths determined in the present study are not substantially different from the shipboard ones (less than ~1 m), but some boundaries have large differences. We also identify some new reversal boundaries that could not be resolved on board.

¹ Yamamoto, Y., Fukami, H., Taniguchi, W., and Lippert, P.C., 2018. Data report: updated magnetostratigraphy for IODP Sites U1403, U1408, U1409, and U1410. In Norris, R.D., Wilson, P.A., Blum, P., and the Expedition 342 Scientists, Proceedings of the Integrated Ocean Drilling Program, 342: College Station, TX (Integrated Ocean Drilling Program).
doi:10.2204/iodp.proc.342.207.2018

² Center for Advanced Marine Core Research, Kochi University, Kochi 783-8502, Japan. Correspondence author: y.yamamoto@kochi-u.ac.jp

³ Department of Geology and Geophysics, University of Utah, Salt Lake City, UT 84112, USA.

Initial receipt: 17 June 2017
Acceptance: 4 April 2018
Publication: 25 May 2018
MS 342-207

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