Simple Lithology

natural unconsolidated material

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

definition Unconsolidated material known to have natural, ie. not human-made, origin. more like this
narrower sediment
broader natural unconsolidated material
tephra
broader natural unconsolidated material
source This vocabulary more like this
type
Resource
Concept
broader unconsolidated material
narrower natural unconsolidated material
in scheme simplelithology
is primary topic of natural unconsolidated material