Ribbon chert and sea stacks, OR (vertical) January 1, 2021/in /by Marli Miller seastacks https://geologypics.com/wp-content/uploads/2017/07/geology-pics.png 0 0 Marli Miller https://geologypics.com/wp-content/uploads/2017/07/geology-pics.png Marli Miller2021-01-01 08:14:032021-01-01 08:26:48Ribbon chert and sea stacks, OR (vertical)