Study: Mountains reached current elevation earlier than thought

Geologists studying deposits of volcanic glass in the western United States have found that the central Sierra Nevada largely attained its present elevation 12 million years ago, roughly 8 or 9 million years earlier than commonly thought.

If you want to include this story in your blog, copy and paste this formatted text:

<p><a href="http://www.physorg.com/news128181755.html">Study: Mountains reached current elevation earlier than thought</a></p> <p>Geologists studying deposits of volcanic glass in the western United States have found that the central Sierra Nevada largely attained its present elevation 12 million years ago, roughly 8 or 9 million years earlier than commonly thought. </p>