Recent geological work in south-west Tasmania on a regional scale has allowed the compilation of existing information regarding Lower Palaeozoic unconformities, namely the description of new localities and in some cases the amplification and extension of previously described exposures. Carey and Banks (1954, p. 245) provide a review of information to 1954 and their classification of unconformit...

...............................................................................................................................iv Chapter 1: Introduction ................................................................................................1 Chapter 2: Adjoint Method in Mantle Convection .............................................5 2.1 Theoretical Basis of the Adjoint Method ..........