Pumice fragmentsApril 30, 2017/in /by Marli Miller pyroclastic, lapilli, tephra 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 19:53:372017-09-12 15:16:50Pumice fragments
