Wikiplacemarks.com  
 



Find us on Google+

Antediluvian Curvilinear Basalt Grooves

View on map:47.510727°N 119.488607°W

Comments

"Near Lake Lenore, these curvilinear grooves are cooling features in a Columbia River Basalt flow that is more than 15 million years old, long before the Pleistocene  Megafloods. The grooves are now exposed due to the floods stripping away the overlying sediment and rocks." (see reference)

Description


Columbia Plateau

The Columbia Plateau is a geologic and geographic region that lies across parts of the U.S. states of Washington, Oregon, and Idaho. It is a wide flood basalt plateau between the Cascade Range and the Rocky Mountains, cut through by the Columbia River.

References

All text is available under the terms of the Creative Commons Attribution-ShareAlike License
Average user rating: Not rated

Click on a star to rate
 

Do you have a form that you would like to turn into an application?

Please share your ideas with us.

Contact us...