Continental breakup and UHP rock exhumation in action: GPS results from the Woodlark Rift, Papua New Guinea
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Wallace, Laura M.; Ellis, Susan; Little, Tim; Tregoning, Paul; Palmer, Neville; Rosa, Robert; Stanaway, Richard; Oa, John; Nidkombu, Edwin; Kwazi, John
Description
We show results from a network of campaign Global Positioning System (GPS) sites in the Woodlark Rift, southeastern Papua New Guinea, in a transition from seafloor spreading to continental rifting. GPS velocities indicate anticlockwise rotation (at 2–2.7°/Myr, relative to Australia) of crustal blocks north of the rift, producing 10–15 mm/yr of extension in the continental rift, increasing to 20–40 mm/yr of seafloor spreading at the Woodlark Spreading Center. Extension in the continental rift is...[Show more]
Collections | ANU Research Publications |
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Date published: | 2014-11-11 |
Type: | Journal article |
URI: | http://hdl.handle.net/1885/13228 |
Source: | Geochemistry, Geophysics, Geosystems |
DOI: | 10.1002/2014GC005458 |
Access Rights: | Open Access |
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File | Description | Size | Format | Image |
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Wallace et al Continental Breakup and UHP Rock Exhumation 2014.pdf | 3.27 MB | Adobe PDF |
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