Haven't got them at my fingertips but here's a start. I have found the wa site the most advanced. With some you will have to register to get access to additional data which takes about a day.
WA http://www.doir.wa.gov.au/ NSW http://www.dpi.nsw.gov.au/minerals QLD http://www.dme.qld.gov.au/mines/index.cfm SA http://www.pir.sa.gov.au/minerals NT http://www.nt.gov.au/d/Minerals_Energy/ TAS http://www.mrt.tas.gov.au
