This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
NewarkBasin BoontonFormation. Boonton Formation exposed in road cut in Pequannock Township The image shows three distinct layers within this section of the formation The bottom layer appears to be composed of flaggy purple siltstone and mudstone while the middle layer is composed of conglomerate mainly large pebbles surrounded by