News Release 09-046
Earth's Crust Melts Easier Than Thought
This material is available primarily for archival purposes. Telephone numbers or other contact information may be out of date; please see current contact information at media contacts.
Mt. Rushmore granite crystallized from magma that formed 1.7 billion years ago.
Credit: Peter Nabelek, University of Missouri
Download the high-resolution JPG version of the image. (291 KB)
Use your mouse to right-click (Mac users may need to Ctrl-click) the link above and choose the option that will save the file or target to your computer.