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| Description: Pyroclastic materials “Fire fragments” Types of pyroclastic material Ash and dust – fine, glassy fragments Pumice – from “frothy” lava Lapilli – “walnut” size Cinders – “pea-sized” Particles larger than lapilli Blocks – hardened lava Bombs – ejected as hot lava Picture Stats: Views: 294 Filesize: 2.95MB Height: 921 Width: 1184 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=39606 |