Page 175 - NEWGEN21-Proceedings-Full

Summary

• Four main tectonic units

– Yeneena Basin which overlies the extended Pilbara
margin and the ‘exotic’ Punmu Seismic Province

• Deposition at 900–835 Ma

– mafic intrusions at c. 835 Ma
N.A.C
• Two stages of alteration/mineralization
Punmu S.P.
– Cu-dominant followed by
Pilbara
– Au-dominant (c. 650 Ma) Craton

– O’Callagans Supersuite

Government of Western Australia Department of Mines and Petroleum
Government of Western Australia Department of Mines and Petroleum