Rock split by thermal expansionApril 30, 2017/in /by Marli Miller mechanical, physical weathering 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 Miller2017-04-30 20:17:012017-09-06 15:38:24Rock split by thermal expansion