By: magic-gigapans
Image: Aaron Barth, Mid-Atlantic Geo-Image Collection
License:
Creative Commons Non Commercial ⧉
Uploaded: 8 May 2020
Last Updated: 8 Jun 2020
944 megapixels
41,600 x 22,696 pixels
138.7 in X 75.7 in at 300dpi
Contorted basalt columns along I-5 just north of Eugene, OR. The basalt layer (Oligocene to Pliocene) overlies a sequence of interbedded sandstone and siltstone of the Marine Eugene Formation (late Eocene to Oligocene). For one hypothesis on the columns read this blog post: http://iapetancaptain.wordpress.com/2012/07/12/mckenzie-crossing/