Geology of Australia and New Zealand, HWS/UC

2007

7. Terranes and Sedimentary

Basins of Australia

Australian Volcanic Arcs

• Stavely, 550-520 ma• Molong, 460 ma• Calliope, 415-483 ma• Connors (S)/Baldwin (N), 390 ma• Eungella, 300 ma• East Australian, 120-105 ma

Now for something different…..

Rifting of eastern Australia starts, 85 ma

Rifting of eastern Australia ends, 50 ma

http://www.jamestown-ri.info/prelude.htm

after Johnson, 2004

Rifting of Eastern Australia

By 48 Ma spreading of Tasman Sea stopped…