Vulkanske bergarter
type: Concept
narrower: Pyroklastiske bergarter
notation: 552.2

Pyroklastiske bergarter
type: Concept
including: Andesitt
including: Tuff
including: Pimpstein
including: Vulkansk aske
created: 2010-02-04
modified: 2018-07-26
alternative label: Andesitt
alternative label: Tuff
alternative label: Vulkansk aske
alternative label: Pimpstein--petrologi
broader: Vulkanske bergarter
in scheme: Norsk WebDewey
notation: 552.23

Norsk WebDewey
type: ConceptScheme