The AA. briefly review the TL dating of alluvium and the U/Th dating of pedogenic calcite, iron, and manganese deposits and they report on the application of both techniques to the weathered alluvium of the lower Gilbert River in northern Queensland.
Since the 1960's most island groups of the South Pacific have achieved Independence and many new nations have been established. Secession movements in many areas have resulted in fragmentation producing the break-up of the Gilbert and Ellice Islands