John W. Hillhouse, C. Sherman Grommé; Limits to northward drift of the Paleocene Cantwell Formation, central Alaska. Geology ; 10 (10): 552–556. doi: https://doi.org/10.1130/0091-7613(1982)10<552:LTNDOT>2.0.CO;2
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Volcanic rocks of the Paleocene Cantwell Formation in central Alaska apparently originated at a paleolatitude of 83°N (α95 = 9.7°), as indicated by paleomagnetic results. When compared with the Paleocene pole for the North American craton, the 95% confidence limits of the results suggest that terranes north of the Denali fault have moved no more than 550 km northward relative to the North American craton since Paleocene time.