Towaco and Boonton formations from the Newark rift basin. TOP: Glacially polished basalt-clast-bearing conglomerate from Boonton Formation near Ramapo fault in Montville, NJ; the implication is that some basalt extended beyond the border fault, was eroded, and deposited in alluvial fans along the border fault. BOTTOM: Bedding-plane surface with numerous Grallator footprints from Towaco Formation near Boonton, NJ. Exhibit is from the Rutgers Geology Museum. Photos by R.W. Schlische.
