1 Shipley, T.H., Ogawa, Y., Blum, P.,
and Bahr, J.M. (Eds.), 1997. Proc. ODP, Sci.
Results,156: College Station, TX (Ocean Drilling
Program).
2 School of Applied Geology, Curtin
University of Technology, GPO Box U1987, Perth, WA
6001, Australia.
3 Department of Applied Geology,
University of Technology, Sydney, PO Box 123,
Broadway, NSW 2007, Australia. e.leitch@uts.edu.au
