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Geology, Travel, Woodworking & Maps

More about Skye

Origins of Clastic Dikes Flowchart

Keying out clastic dikes in the field can be difficult. Click on image for larger PDF.

Last 50 Posts

FOP 2023 Planning

Geology at the Colville River Mouth - Lake Roosevelt, WA

Calcrete Growth in Alluvial Lowlands - Eastern Washington

Paleoseismic Trenches in Eastern Washington

Glacial ice south of the Polson Moraine - Mission Valley, MT

Sheeted Clastic Dikes in the Megaflood Region

Ancient Flood Beds & Calcrete - White Bluffs, WA

Fracture Notes - In progress

Post-glacial Rebound in the Okanogan Valley?

New Artwork - Winter 2023

Calcrete Field Trip - Hendricks Road at Eagle Lakes, WA (Revised Nov 2022)

$Near and Far Field Hydrofracture in the Formation of Sheeted Clastic Dikes$

Calcrete-Capped Megaflood Gravel - George, WA

Clastic Dikes Literature Relevant to Eastern Washington 1820-2020

Giant Current Ripples at Omak, WA

Dune Fields of the Upper Columbia River Region, WA

Fault Scarp or Ranch Road? Review of USGS paleoseismic trench near Wallula, WA

Great Terrace of the Columbia #1 - The Explorers

Great Terrace of the Columbia #2 - The Geologists

Correlating Measured Sections - White Bluffs, WA

Harder Road - Calcrete Over pre-Wisconsin Flood Gravel

Hydraulic Fracture Efficiency

Clastic Dikes: The Tops of Clastic Dikes

Clastic Dikes: Sand Dikes Intruding Bedrock

Clastic Dikes in Eastern Washington: Formed by Lateral Spreading?

Clastic Dikes: Dispelling a Periglacial Origin

Clastic Dikes: Whence Upward Intrusion?

Before Bretz

Lind Coulee Fault near O'Sullivan Dam - Potholes Reservoir, WA

Roald Fryxell: My spirit animal

Repeated Deformation - Lake Rufus Woods, WA

Periglacial Soil Wedges East of Glacier National Park

Clastic Dikes at Metalline Falls, WA

Pleistocene(?) Alluvial Stratigraphy - Lind Coulee, WA

Tetons Drive

Structureless Sandstone Beds - White Bluffs, WA

Diatomite Lake Invaded by Molten Lava - Frenchman Hills, WA

Old Maid Coulee Site Geology - Connell, WA

Baja 2022: Places We Visited

Dry Hollow Site Geology near Clyde, WA

A North Slope Field Geologist c. 1919

Two Lines in Motorcycle Design - Norden 901 & KTM 990

Sanpoil-style Syn-sedimentary Deformation

Linear Surface Anomalies at Bennington, ID

Google Earth and Illustrator for Geologic Mapping

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Calcrete Field Trip - Stokrose Gravel Pit

Calcrete Field Trip 2021 - Overview

Calcrete Field Trip - Warden Canal

Calcrete Field Trip - Red Tank

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