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NALT Core

Preferred term

volcanic rocks

Type

Topic

Definition

Volcanic rocks are formed by solidification of molten materials which have been extruded onto the ground surface.
Source: NAL Thesaurus Staff
Type: Concept definition

Broader concept

igneous rocks

Narrower concepts

perlite

Synonyms

lava rocks

In other languages

rocas volcánicas

Spanish

URI

https://lod.nal.usda.gov/nalt/15964

Download this concept:

RDF/XML TURTLE JSON-LD Created 1/19/06, last modified 10/25/16