Simple Lithology

ash and lapilli

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

unstar this property definition Tephra in which less than 25 percent of fragments are greater than 64 mm in longest dimension more like this
star this property source Schmid 1981; LeMaitre et al. 2002 more like this
star this property type
Resource
Concept
star this property broader tephra
star this property narrower ash and lapilli
star this property in scheme simplelithology
star this property is primary topic of ash and lapilli& properties=definition