Clastic Dikes: The Tops of Clastic Dikes
The tops of clastic dikes in the megaflood region appear five ways. 1.) Truncated at a bedding contact or an erosional surface 2.)...
Clastic Dikes: Sand Dikes Intruding Bedrock
Clastic Dikes in Basalt Bedrock Sheeted dikes with sandy fills intrude downward into Miocene Columbia River Basalt in the Walla Walla...
Clastic Dikes: Formed by Lateral Spreading?
Lateral spreads. A network of lateral spread fractures in pavement formed by an earthquake. Peru 1970. USGS photo. Lateral Spreading: A...
