How do you know i. Share this link with a friend: Geologists refer to surfaces between layers or other bodies of rock as contacts. For the Paleozoic sedimentary rocks here, do you think they represent continuous deposition? Related documents.
There are widespread younger deposits, but the older parts of geological record, like so many unconformities have often been entirely eroded away or are too deep to be exposed at all.
Share This Book. The brown layer in which grass is rooted is modern soil. Determining age of a divorced man. File science. Rocks Provide a Timeline for Earth notes 4. Geologists refer to surfaces between layers or other bodies of rock as contacts.