geology of virginia webquest |
shale
things you should know:
Shale is a sedimentary rocks, with sedimentary rocks you can tell how old they are by the shapes of the rocks inside of them. If the rock is round that means that the rock has been in a river for a longer amount of time than a more shaped rock. Their are multiple types of shale because it breaks off into different types of pieces and can be found in multiple different colors. The colors include: red, brown, gray, green and black. Some shale rocks have certain special characteristics that makes them important resources. Black shale rocks have organic material and are broken up in small pieces to be used for natural gases or oils.