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In volcanology, ejecta consists of particles that came out of a volcanic vent, traveled though the air or under water, and fell back on the ground surface or on the ocean floor. Ejecta can consist of
  1. juvenile particles - (fragmented magma and free crystals)
  2. cognate or accessory particles - older volcanic rocks from the same volcano
  3. accidental particles - derived from the volcanic basement.

In planetary geology, ejecta can also refer to the debris that is ejected during the formation of an impact crater.

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Ejecta Particles Volcanic Volcanology Older Vent

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EjectaIn volcanology, ejecta consists of particles that came out of a volcanic vent, traveled though the air or under water, and fell back on the ground surface or on the ocean floor. Ejecta can consist of # juvenile particles (fragmented magma and free crystal  


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