Tafoni in sandstone, Oregon.July 24, 2018/in /by Marli Miller coastal weathering and erosion 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 Miller2018-07-24 02:15:402018-07-24 02:18:01Tafoni in sandstone, Oregon.