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Subjects
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p40sAr-p39sAr dating of the Jaramillo Normal Subchron and the Matuyama and Brunhes geomagnetic boundary
1992, U.S. Dept. of the Interior, Geological Survey, [Books and Open-File Reports Section
Microform
in English
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Book Details
Edition Notes
Distributed to depository libraries in microfiche
Shipping list no.: 93-1121-M
"December 1992."
Includes bibliographical references (leaves 12-16)
Microfiche. [Denver, Colo. : U.S. Geological Survey, 1993] 1 microfiche : negative