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Antipodean fugitive terranes in southern Laurentia: How Proterozoic Australia built the American West

Gibson, George; Champion, David


Paleoproterozoic arc and backarc assemblages accreted to the south Laurentian margin between 1800 Ma and 1600 Ma, and previously thought to be indigenous to North America, more likely represent fragments of a dismembered marginal sea developed outboard of the formerly opposing Australian-Antarctic plate. Fugitive elements of this arc-backarc system in North America share a common geological record with their left-behind Australia-Antarctic counterparts, including discrete peaks in tectonic...[Show more]

CollectionsANU Research Publications
Date published: 2019
Type: Journal article
Source: Lithosphere
DOI: 10.1130/L1072.1
Access Rights: Open Access


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