"it is a white fine grained sandstone but in places it is pink to red and in some quarry's it is all red and has been used to build the Parliament Buildings at Toronto. As far as I can see this local sandstone sets regularly on the Richmond and Parks tills me that the contact is but little irregular. The change from the sandstone to the green "Clinton limestones" is rapid and the transition zone is not over 2 or 3 miles in thickness. The lower Clinton limestones consist of a series of thin beds from 1 to 10 or even 12 inches separated from one another by thin bands of shale. Upon weathering this feature comes out better. It is probable that the cli, are more dolomitic than some limestones. The fossils are all extinct, and in places there are thin irregular gouts of chert. Most if any of the fossils I got today are from these