Columnar jointing in the basalt cliffs at Latourell Falls, OR. The ...
Detailed Description
Columnar jointing in the basalt cliffs at Latourell Falls, Oregon. The basalt columns formed when thick lava flows cooled after emplacement.
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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.
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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.