Arthur J MORY , Jim CROWLEY , Robert S NICOLL ...

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Western Australia. Middle Permian (Roadian–Wordian) U–Pb CA-IDTIMS isotopic ages from the Lightjack Formation, Canning Basin, Western Australia. 1,2. 3.

Middle Permian (Roadian–Wordian) U–Pb CA-IDTIMS isotopic ages from the Lightjack Formation, Canning Basin, Western Australia 1,2

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Arthur J MORY , Jim CROWLEY , Robert S NICOLL , Ian METCALFE , 4 8 2 Daniel MANTLE , Roland MUNDIL , and John BACKHOUSE 1. Geological Survey of Western Australia, Perth, Australia 2. University of Western Australia, Perth, Australia 3. Department of Geosciences, Boise State University, Idaho, United States of America 4. Geoscience Australia, Canberra, Australia 5. Research School of Earth Sciences, The Australian National University, Canberra, Australia

6. School of Environmental and Rural Science, University of New England, Armidale, Australia 7. GEMOC, Macquarie University, Sydney, Australia 8. Berkeley Geochronology Center, California, United States of America

Geological Survey of Western Australia

Exploration coreholes in the Fitzroy Trough (Fig. 1) have intersected thin (