Love the way the resistance is getting tested so h
Post# of 12186
Posted On: 10/30/2013 10:49:44 AM
Love the way the resistance is getting tested so heavily. $UNGS Devonian shales are formed from the mud of shallow seas that existed about 350 million years ago (during the Devonian period of the Paleozoic era). Shale is a very fine-grained sedimentary rock, which is easily breakable into thin, parallel layers.
(0)
(0)Scroll down for more posts ▼