Dr Kara Matthews

Kara Matthews at Ink Pots in Calgary, CanadaOverseas Collaborator

 

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Kara Matthews is awarded the Chris Powell Medal

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Congratulations to Kara Matthews who has been awarded the prestigious Chris Powell Medal for Postgraduate Research in Tectonics and Structural Geology from the Geological Society of Australia. She was presented her medal at a meeting of the Specialist Group in Tectonics & Structural Geology in Waratah Bay, Victoria. Well done Kara! Download the paper – … Read more…

EarthByte to attend AGU 2011

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EarthByte group members Dietmar Müller, Adriana Dutkiewicz, Nicolas Flament, Leonardo Quevedo, Maria Seton, Simon Williams, Nathaniel Butterworth, Kayla Maloney and Kara Matthews are attending the AGU Fall Meeting 2011 in San Francisco, USA from 5-9 December, 2011. Click here for more details about the AGU Fall Meeting

IODP workshop on Indian Ocean Drilling scheduled for late 2011

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An Integrated Ocean Drilling (IODP) workshop on Indian Ocean Drilling to be held in late 2011 in Goa, India has just been approved, funded by $33,000 from IODP, and supported by the Australian IODP Office, which plans to send 15 Australians and Kiwis to the meeting, including EarthByte’s Dietmar Müller, and Stephen Gallagher (UMelb), Neville Exon (ANU), Richard Arculus (ANU), Mike Coffin (Tasmania) and Richard Wysoczanski (NZ, NIWA). The workshop is timed to suit an April 2012 drilling proposal submission deadline. … Read more…

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Dynamic subsidence of eastern Australia during the Cretaceous

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Dynamic Subsidence of Eastern Australia Matthews et al (2011)During the Early Cretaceous Australia’s eastward passage over sinking subducted slabs induced widespread dynamic subsidence and formation of a large eperiogenic sea in the eastern interior. Despite evidence for convergence between Australia and the paleo-Pacific, the subduction zone location has been poorly constrained. Using coupled plate tectonic-mantle convection models, we test two end-member scenarios, one with subduction directly east of Australia’s reconstructed continental margin, and a second with subduction translated ~1000 km east, implying the existence of a back-arc basin. Our models incorporate a rheological model for the mantle and lithosphere, plate motions since 140 Ma and evolving plate boundaries. While mantle rheology affects the magnitude of surface vertical motions, timing of uplift and subsidence depends on plate boundary geometries and kinematics. … Read more…

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