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J. Wright Horton
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Journal Article
The Sudbury impact layer in the Paleoproterozoic iron ranges of northern Michigan, USA
Publisher: Geological Society of America
Published: 01 January 2010
GSA Bulletin (2010) 122 (1-2): 50–75.
Journal Article
Middle Proterozoic age for the Montpelier Anorthosite, Goochland terrane, eastern Piedmont, Virginia
Publisher: Geological Society of America
Published: 01 November 1996
GSA Bulletin (1996) 108 (11): 1481–1491.