Tuff Guy 62
Senior Member
Came across this article that theorizes that the Sierras' may be much older than previously thought.
Work involved oxygen isotope analysis of clay minerals from old gold rush diggings.
Study indicates that the paleo-Sierra Nevada may be as much as 40 million years old.
Let the arguments begin!!
http://phys.org/news/2015-12-scientists-mystery-sierra-nevada-age.html
Work involved oxygen isotope analysis of clay minerals from old gold rush diggings.
Study indicates that the paleo-Sierra Nevada may be as much as 40 million years old.
Let the arguments begin!!
http://phys.org/news/2015-12-scientists-mystery-sierra-nevada-age.html