Pumice lapilli in ash flow tuffJanuary 15, 2018/in /by Marli Miller ignimbrite, pyroclastic, volcanic hazards 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 Miller2018-01-15 03:51:552022-09-22 02:42:34Pumice lapilli in ash flow tuff