Whetsone Horizon

Results shown limited to content with bounding coordinates.
Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Journal Article
Journal: AAPG Bulletin
Published: 01 September 1950
AAPG Bulletin (1950) 34 (9): 1903–1909.
... is characteristically a long range form which has very wide distribution. It is common in the Normanskill shale of New York and in many horizons in all three of the major Athens graptolite zones. It occurs also in Arkansas, Oklahoma, Nevada, Quebec, British Columbia, New Brunswick, Scotland, Bohemia, and Australia (Fig...
Series: GSA Special Papers
Published: 01 January 2006
DOI: 10.1130/2006.2410(03)
... below a temperature of ∼500 °C at ca. 170 Ma. U-Pb zircon ages were obtained from two plagiogranite dikes that intrude serpentinized peridotite near Whetsone Butte (JM-10 and JM-11; Fig. 2 ). Sample JM-11 yields a concordant age of 173 ± 1 Ma and sample JM-10 shows slight Pb loss with an intercept age...
FIGURES | View All (16)