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ROBERT A. DUNCAN
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Journal Article

Eocene-Oligocene extinction and paleoclimatic change near Eugene, Oregon

Gregory J. Retallack, William N. Orr, Donald R. Prothero, Robert A. Duncan, Paul R. Kester, Clifford P. Ambers
Published: 01 July 2004
GSA Bulletin (2004) 116 (7-8): 817–839.
DOI: https://doi.org/10.1130/B25281.1
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Geology and petrogenesis of lavas from San Cristobal Island, Galapagos Archipelago

DENNIS J. GEIST, ALEXANDER R. McBIRNEY, ROBERT A. DUNCAN
Published: 01 May 1986
GSA Bulletin (1986) 97 (5): 555–566.
DOI: https://doi.org/10.1130/0016-7606(1986)97<555:GAPOLF>2.0.CO;2
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Paleomagnetism and tectonic significance of Eocene basalts from the Black Hills, Washington Coast Range

BRIAN R. GLOBERMAN, MYRL E. BECK, Jr., ROBERT A. DUNCAN
Published: 01 November 1982
GSA Bulletin (1982) 93 (11): 1151–1159.
DOI: https://doi.org/10.1130/0016-7606(1982)93<1151:PATSOE>2.0.CO;2
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