Geochemical and petrographic data for intrusions peripheral to the Big Timber Stock, Crazy Mountains, Montana

Online link http://pubs.usgs.gov/ds/0895/
Description The Paleocene Fort Union Formation hosts a compositionally diverse array of Eocene plugs, dikes, and sills arrayed around the Eocene Big Timber stock in the Crazy Mountains of south-central Montana. The geochemistry and petrography of the sills have no
Originators du Bray, Edward A. and van Gosen, Bradley S.
Publication U.S. Geological Survey Data Series 895

States or counties

Park,

Hydrologic units

Quadrangles