URI(s)
- http://id.loc.gov/authorities/subjects/sh85144250
- http://id.loc.gov/authorities/sh85144250#concept
Variants
- Pyroclastics
- Rocks, Volcanic
- Tephra
- Tuff
- Volcanic ejecta
- Volcanic rocks
Broader Terms
Narrower Terms
Related Terms
Closely Matching Concepts from Other Schemes
Broader Concepts from Other Schemes
Sources
- found: Dict. geol. terms(tephra; volcanic ejecta: collective term for all clastic volcanic materials which, during an eruption, are ejected from a crater or from some other type of vent and are transported through the air)
- found: GeoRef(Pyroclastics; UF tephra)
LC Classification
- QE461-QE462
- TL557.V64
Instance Of
Scheme Membership(s)
Collection Membership(s)
Change Notes
- 1986-02-11: new
- 2010-07-22: revised
Alternate Formats
