Evolution of the Southwest Indian Ridge from the Late Cretaceous (Anomaly 34) to the Middle Eocene (Anomaly 20) (Paleoceanographic Mapping Project Progress Report No. 25-0987)

• Main Authors: Royer, Jean-Yves, Patriat, Philippe, Bergh, Hugh W., Scotese, Christopher R.
• Format: Report
• Language: English
• Published: Institute for Geophysics 1987
• Subjects: plate tectonics; plate reconstruction; magnetic anomaly; Indian Ocean; Indian; Prince Edward Fracture Zone; Antarc*; Antarctica
• Online Access: http://hdl.handle.net/2152/67585; https://doi.org/10.15781/T2PZ5251C

The determination of the motion of Antarctica relative to Africa is particularly important when considering the breakup of Gondwana. Two models have been proposed that describe the pattern of seafloor spreading between Africa and Antarctica during the Late Cetaceous (starting at chron 34, 84 Ma) thr...