News from the Geoblogosphere
New from Snet:
, a new tool to create lithological/sedimentological logs online..
Blog post recommendation
Breccia-Pipe Uranium Mining in Northern Arizona
“Some of the highest grade uranium ore in the United States occurs in breccia pipes scattered across the Grand Canyon region. These breccia pipes, named for their vertical, pipe-like shape and the broken rock, or breccia, that fills them, range from 300 to 500 ft in diameter at depth. They were formed millions of years [...]