An excellent outcrop located along Touchet River Road North, some 13 miles north of Touchet, WA exposes two sets of clastic dikes. The...

Geologists have long debated how large of an earthquake faults in the Yakima Fold Belt are capable of producing. Some claim these shallow...

Incremental growth of a sheeted clastic dike occurs over time, megaflood by megaflood. The figure above shows the growth of a composite...