Sheeted Clastic Dikes in the Megaflood Region
The definitive article on clastic dikes in Eastern Washington. Origin, age, character, and distribution are discussed. Data driven research.
Near- and Far-Field Hydrofracture in the Formation of Sheeted Clastic Dikes
Near field (blue) and far field (red) hydrofracture curves shown. During the hydrofracture period, fluid pressure drops as fractures...
Fracture Notes - In progress
What are cracks and fractures? How does hydraulic fracturing work? How does HF relate to sheeted clastic dikes? In this post, I reveal...
Clastic Dikes Literature Relevant to Eastern Washington 1820-2020
Fieldwork in Burlingame Canyon near Walla Walla in July 1995. Several dozen articles, abstracts, consultant reports, and field guides...
Hydraulic Fractures are Simple & Efficient
Left and middle: A synthetic hydraulic fracture produced in Jell-O using a stainless steel straw and colored syrup. Right: A natural one...
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...
Repeated Soft Sediment Deformation - Lake Rufus Woods, WA
Shear stress at the base of the overriding flow is transmitted to the substrate, forming these structures. Soupy and clay-rich substrate...
Calcrete Field Trip 2021 - Warden Canal
Directions - From Othello, drive north on Hwy 17 and turn R (east) on Hwy 170/Rd 8 SE at the '76 gas station toward Warden. Follow for...
Sill Injectites w/ Shattered Fills - Indian Creek, WA
At Indian Creek, WA I discovered 3 breccia-filled sills injected into varved Glacial Lake Columbia sediments, each extending for more...
Dike-Sill-Dike Geometry in a Fluid-Driven, Sediment-filled Fracture
Coarse Grained Layers Behave as Efficient Pathways - Coarse grained layers appear to behave as efficient pathways during propagation of...