Columbia River Basalt Group
- Field Trip Guide to the Geologic Development of the Pasco Basin, South-Central Washington (PDF) (nwgs.org)
Flood basalt volcanism occurred in the Pacific Northwest, USA, between 17.5 and 6 Ma when over 300 basaltic lavas of the Columbia River Basalt Group (CRBG) were erupted from fissures in eastern Washington, eastern Oregon, and western Idaho (Fig. 1) (Swanson et al., 1979a). These flood basalts cover over 200,000 km2 of the Pacific Northwest and have an estimated volume of more than 234,000 km3 (Camp et al., 2003). Concurrent with these massive basalt eruptions was the folding and faulting of the basalt in the western part of the Columbia Basin and development of generally east-west trending anticlinal ridges and synclinal valleys collectively known as the Yakima Fold Belt
nuclear production complex
- How Animals See the World (artsandculture.google.com)
Each type of animal on Earth has evolved a range of senses and skills which allow it to live successfully in its environment. Many of these adaptations are very different from how humans have evolved, and compared to humans some of these adaptations feel like they belong in a superhero comic. Senses such as ultraviolet vision, extra color receptors, and echolocation are very hard for humans to imagine, yet are part of the everyday life of hundreds of species of animals.
Columbia River Basalt Group map shows main regions of basalt exposure in Washington, Oregon, Idaho and Nevada, USA. (usgs.gov)