Flood Count Controls Clastic Dike Width in Columbia Basin, WA-OR-ID
Pleistocene age clastic dikes in the Columbia Basin, WA grew incrementally by repeated injection of sediment into cracks. Injected...
Clastic Dikes: The Shape of Filled Fractures
There are 4 basic shapes taken by sediment-filled fractures. I classify them as "A", "AV", "V", and "X". Shape is dependent on the depth...
En Echelon Fractures in 2D & 3D
There's usually a low-tech way to explain complex geological phenomena. PlayDoh has been used for years to simulate ductile deformation...
Clastic Dike at Craig's Hill - Ellensburg, WA
Craig's Hill is located in Ellensburg, WA at the Rodeo Grounds near the Campus U-Tote-Em burger joint. Easy walkable access via roads...
Clastic Dikes in Lake Roosevelt Bluffs - Northeastern WA
Clastic dikes filled with coarse sand with cobbles up to golf ball size intrude shoreline bluffs along Lake Roosevelt in the Upper...
Silt-Capped Rhythmites at Old Lady Canyon, WA
The publication of Richard Waitt's paper describing the stratigraphy of Burlingame Canyon in 1980 opened up a can of worms. In...
Alder Ridge Landslide
Twenty gullies cut the Alder Ridge Landslide. The slide is developed in the Selah interbed and involves Miocene basalt bedrock, but...
Soft Sediment Deformation in Touchet Beds
Soft sediment deformation features in the Touchet Beds of WA, OR, ID (that are not clastic dikes). I took all of these photos. Wallula...
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...
