John Day Fossil Beds NM: Geology and Paleoenvironments of the Clarno Unit (Appendix 7)

JOHN DAY FOSSIL BEDS

Geology and Paleoenvironments of the Clarno Unit
John Day Fossil Beds National Monument, Oregon

APPENDIX 7:
⁴⁰Ar/³⁹Ar radiometric age determination data (from C. Swisher)

(click on image for a PDF version of this table)

<<< Previous

<<< Contents>>>

Next >>>

joda/bestland-retallack1/app7.htm
Last Updated: 21-Aug-2007