The Geological Society of America

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Tectonic inferences from the ca. 1255–1100 Ma Unkar Group and Nankoweap Formation, Grand Canyon: Intracratonic deformation and basin formation during protracted Grenville orogenesis
J. Michael Timmons
Geological Society of America Bulletin(2005),117(11):1573
http://dx.doi.org/10.1130/B25538.1

The Geological Society of America
The Geological Society of America
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