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U.S. Geological Survey
Open-File Report 2005-1416
Version 1.0

Argon Dating at and Near Medicine Lake Volcano, California: Results and Data

By Julie M. Donnelly-Nolan and Marvin A. Lanphere


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This report presents K-Ar and 40Ar/39Ar ages and supplementary data measured in support of geologic mapping at Medicine Lake volcano, northern California. Interpretation of the significance of these ages to be presented elsewhere (Donnelly-Nolan, in preparation). Sample locations are shown in Figures 1
and 2.

Download this report as a 37-page PDF document (of2005-1416.pdf; 1 MB)

For questions about the content of this report, contact Julie M. Donnelly-Nolan

Also of interest:

Open-File Report 2006-1041, Chemical analyses and K-Ar ages of samples from 13 drill holes, Medicine Lake Volcano, California, by Julie M. Donnelly-Nolan

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Maintained by: Michael Diggles
Date created: March 21, 2006
Date last modified: August 8, 2006 (mfd)