Horiz columnar joints in basaltic dike, OregonDecember 31, 2019/in /by Geology Pics lake, columns, columnar, colonnade https://geologypics.com/wp-content/uploads/2017/04/geologic-time-pics-logo-300x115.png 0 0 Geology Pics https://geologypics.com/wp-content/uploads/2017/04/geologic-time-pics-logo-300x115.png Geology Pics2019-12-31 07:46:342022-02-05 02:06:25Horiz columnar joints in basaltic dike, Oregon
