Their study consists of 83 locations in the Pasco Basin. In 1999, a group of senior geoscientists at the Hanford Nuclear Site, lead by...

The Ice Age floods inundated the southern portion of the Priest River Valley in northern Idaho, though this area is rarely mentioned in...

Uranium-thorium is a radiometric technique for dating carbonates. Paces (2014) estimated the ages of secondary carbonate cements in the...

Pleistocene age clastic dikes in the Columbia Basin, WA grew incrementally by repeated injection of sediment into cracks. Injected...

In the summer of 2008, a movie producer with National Geographic called me from England. They needed me right away. To be clear, they...

Two reports by two different teams of geologists describe the same outcrop, sediments, and structural features at Finley Quarry, WA...

Controversy continues to swirl among geo-nerds as to whether to call the vast inland region located east of the Cascade Mountains the...

Clastic dikes filled with coarse sand, pebbles, and up to golf ball-sized cobbles intrude shoreline bluffs along Lake Roosevelt in the...

The publication of Richard Waitt's paper describing the stratigraphy of Burlingame Canyon in 1980 opened up a can of worms. In...

Twenty gullies cut the Alder Ridge Landslide. The slide plane resides in the clayey Selah interbed (Ellensburg Fm) and involves Miocene...