This informal report was prepared from the shipboard files by the scientists who participated in the
cruise. The report was assembled under time constraints and is not considered to be a formal
publication which incorporates final works or conclusions of the participating scientists. The material
contained herein is privileged proprietary information and cannot be used for publication or quotation.
Preliminary Report No. 83
First Printing 1999
Distribution
Electronic copies of this publication may be obtained from the ODP Publications Homepage on the
World Wide Web at http://www-odp.tamu.edu/publications.
D I S C L A I M E R
This publication was prepared by the Ocean Drilling Program, Texas A&M University, as an account
of work performed under the international Ocean Drilling Program, which is managed by Joint
Oceanographic Institutions, Inc., under contract with the National Science Foundation. Funding for
the program is provided by the following agencies:
Australia/Canada/Chinese Taipei/Korea Consortium for the Ocean Drilling
Deutsche Forschungsgemeinschaft (Germany)
Institut Français de Recherche pour l'Exploitation de la Mer (France)
Ocean Research Institute of the University of Tokyo (Japan)
National Science Foundation (United States)
Natural Environment Research Council (United Kingdom)
- European Science Foundation Consortium for the Ocean Drilling Program (Belgium, Denmark,
Finland, Iceland, Italy, The Netherlands, Norway, Spain, Sweden, and Switzerland)
- Marine High-Technology Bureau of the State Science and Technology Commission of the People's
Republic of China
Any opinions, findings, and conclusions or recommendations expressed in this publication are those
of the author(s) and do not necessarily reflect the views of the National Science Foundation, the
participating agencies, Joint Oceanographic Institutions, Inc., Texas A&M University, or Texas
A&M Research Foundation.
Leg 183 Shipboard Scientific Party
Leg 183 Table of Contents