EJECTA - 2 reference results
Ejecta can mean:
- In volcanology, particles that came out of a volcanic vent, traveled through 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 crystals)
- Cognate or accessory particles - older volcanic rocks from the same volcano
- Accidental particles - derived from the rocks under the volcano.
- In planetary geology, the debris that is ejected during the formation of an impact crater.
- In astrophysics, material expelled in a stellar explosion.
- In firearms ballistics, everything expelled from a gun, including the bullet, propellant, sabot, wad, etc.
References
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Last updated on Saturday September 20, 2008 at 03:43:16 PDT (GMT -0700)
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This article is licensed under the GNU Free Documentation License.
Last updated on Saturday September 20, 2008 at 03:43:16 PDT (GMT -0700)
View this article at Wikipedia.org - Edit this article at Wikipedia.org - Donate to the Wikimedia Foundation
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