Wish that I was on ol’ Rocky Top
Down in the Tennessee hills
Ain’t no smoggy smoke on Rocky Top
Ain’t no telephone bills
Once I had a girl on Rocky Top
Half bear, other half cat
Wild as a mink, but sweet as soda pop
I still dream about that
– Rocky Top, As performed by the Osborne Brothers
Rise and Fall
This is a story that dates back over a billion years. To the Proterozoic Era. If you can stretch your mind to consider how long ago that was you can understand how sedimentary rock is formed and how it bonds you over eons to the natural world.
Over hundreds of millions of years, clay, silt, sand, and gravel, with some calcium carbonate, collected in deposits on the ocean bottom along the ancient margin of the North American continent. Over time, these sediments cemented together and formed into layers of sedimentary rock over nine miles thick. Continue reading