Simple Lithology

tephra

http://resource.geosciml.org/classifier/cgi/lithology/tephra

star this property broader natural unconsolidated material
star this property narrower tephra
pyroclastic material
star this property narrower tephra
unstar this property definition Unconsolidated pyroclastic material in which greater than 75 percent of the fragments are deposited as a direct result of volcanic processes and the deposit has not been reworked by epiclastic processes. Includes ash, lapilli tephra, bomb tephra, block tephra and unconsolidated agglomerate. more like this
star this property narrower ash and lapilli
star this property broader tephra
ash breccia bomb or block tephra
star this property broader tephra
star this property source Hallsworth and Knox 1999; LeMaitre et al. 2002 more like this
star this property type
Resource
Concept
star this property in scheme simplelithology
star this property is primary topic of tephra& properties=definition