Regional Volcanism
Regional Volcanism
Information about the Boring Volcanic Field and the Colombia River Basalt.
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Columbia River Basalt Group Stretches from Oregon to Idaho
The Columbia River Basalt Group (CRBG) is the youngest, smallest and one of the best-preserved continental flood basalt province on Earth, covering over 210,000 km2 of mainly eastern Oregon and Washington, western Idaho, and part of northern Nevada.
The Boring Volcanic Field — Hills of the Portland Basin
Non-enthusiasts may consider the Boring Volcanic Field aptly named, but the title comes from its location, not from a lack of interesting characteristics.