Video: Density of Dikes at Willow Creek, OR
Most geologists are familiar with the Touchet Beds of the Walla Walla Valley and Pasco Basin that formed upstream of Wallula Gap in...
Video: Transfer Zones in Clastic Dikes
A clear example of structural bridging (a transfer zone) in a late Pleistocene composite clastic dike in Touchet bed-equivalent...
Video: Clastic Dikes in Umatilla Basin Gravel Pit
Large outcrops are hard to come by in the Umatilla Basin. Here we check out clastic dikes in coarse Missoula flood deposits exposed in an...