Contact between basaltic lava flows (Vertical)November 22, 2017/in /by Marli Miller CRBG, columns, columnar, colonnade https://geologypics.com/wp-content/uploads/2017/04/geologic-time-pics-logo-300x115.png 0 0 Marli Miller https://geologypics.com/wp-content/uploads/2017/04/geologic-time-pics-logo-300x115.png Marli Miller2017-11-22 06:11:562022-02-05 02:08:35Contact between basaltic lava flows (Vertical)