Saturday, March 3, 2012
1.) Tuscarora quartzose sandstone [99+% quartz grains].
2.) The Navajo sandstone in Zion National Park, UT. It is the sandstone forming the massive sheer faces of the “Great White Throne” which are so prominent.|||Did a little searching for you
Tuscarora quartzose sandstone: beaches
these were beaches that have formed several times with the same material, constantly shedding the impurities each time it formed
The Navajo sandstone was formed in sand dunes. it has cross bedding, a common feature in Sand Dunes, and the sandstone that formed from it
http://www.virginiaplaces.org/geology/tu…
http://en.wikipedia.org/wiki/Navajo_Sand…
Subscribe to:
Post Comments (Atom)
No comments:
Post a Comment