Ocean Drilling Program Leg 189 Preliminary Report The Tasmanian Gateway between Australia and Antarctica– Paleoclimate and Paleoceanography This publication is available in HTML and Acrobat PDF formats. HTML is intended for on-line viewing only. Use the PDF file to generate a printed version or to view higher resolution graphics. TABLE OF CONTENTS Title Page Disclaimer Shipboard Participants Scientific Report Abstract Introduction Geological Setting Modern Hydrography Scientific Objectives Paleogene History Neogene and Quaternary History Principal Results Site 1168 Site 1169 Site 1170 Site 1171 Site 1172 Summary of Results Lithostratigraphy Biostratigraphy Paleomagnetism Downhole Measurements Geochemistry Discussion and Conclusions Regional Sedimentation Tectonic Evolution Evolution of the Tasmanian Gateway Paleocene-Eocene Paleoenvironments: Before the Gateway Opened The Eocene-Oligocene Transition: The Gateway Opens Paleogene Margin Carbonates: Interplay between Tectonics and Climate Southern Ocean Development and Paleoceanography References Table Captions Figure Captions Operations Synopsis Transit, Hobart to Site 1168 Transit to Site 1169 via Hobart Transit to Site 1170 Transit to Site 1171 Transit to Site 1172 Transit from Site 1172 to Sydney Date posted: 30 June 2000 To receive the complete electronic copy of this report, download: Acrobat PDF file - 3.9 Mb (text and figures) You need Adobe Acrobat Reader (available for free) to open and print the PDF file. For comments or additional information write us at: Publication Services Feedback Preliminary Report | ODP Publications | ODP Science Operator