Types of Sedimentary Rock ThoughtCo
Oct 09, 2019· This type of sedimentary rock is similar to graywacke, which is also a rock laid down near its source. But whereas graywacke forms in a seafloor setting, arkose generally forms on land or near shore specifically from the rapid breakdown of granitic arkose specimen is of late Pennsylvanian age (about 300 million years old) and comes from the .