Detached block of exfoliating granite, TexasFebruary 15, 2021/in /by Marli Miller mechanical weathering, spalling, sheeting 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 Miller2021-02-15 10:35:162021-02-15 10:38:18Detached block of exfoliating granite, Texas