On Tue, 17 Jan 2012 07:02:24 -0500, dadiOH wrote:

The fact that It has thin layers that peel qualifies it as sedimentary
rock. The four most common ones are limestone (it isn't that), sandstone
(not all are friable), siltstone and shale.

Of those four, which would be light brown in color?

Here are two pictures I just took outside:
http://www1.picturepush.com/photo/a/...40/7364584.gif
http://www3.picturepush.com/photo/a/...mg/7364581.gif