phonolite (Q41856): Difference between revisions

From geokb
(‎Changed label, description and/or aliases in en, and other parts: Removed instance of classification and added Mindat identifier as same as relationship)
(‎Changed label, description and/or aliases in en, and other parts: Updated rock class item with Geoscience Ontology GSRM data)
description / endescription / en
Phonolitic rocks are fine-grained felsic igneous rocks lacking quartz, with felsics comprising 10-60% foids and alkali feldspar/total feldspar >0
Phonolitoid in which the plagioclase to total feldspar ratio is less than 0.1. Rock consists of alkali feldspar, feldspathoid minerals, and mafic minerals.
Property / same as
 
Property / same as: https://w3id.org/gso/rockmaterial/phonolilte / rank
 
Normal rank

Revision as of 13:59, 24 October 2023

Phonolitoid in which the plagioclase to total feldspar ratio is less than 0.1. Rock consists of alkali feldspar, feldspathoid minerals, and mafic minerals.
Language Label Description Also known as
English
phonolite
Phonolitoid in which the plagioclase to total feldspar ratio is less than 0.1. Rock consists of alkali feldspar, feldspathoid minerals, and mafic minerals.

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