trachytoid (Q43307): 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
Rocks tentatively identified as trachyte, with felsics comprising <20% quartz, <10%foids and plagioclase/alkali feldspar <2
Fine grained igneous rock than contains less than 90 percent mafic minerals, less than 10 percent feldspathoid mineral and less than 20 percent quartz in the QAPF fraction and has a plagioclase to total feldspar ratio less than 0
Property / same as
 
Property / same as: https://w3id.org/gso/rockmaterial/trachytoid / rank
 
Normal rank

Revision as of 14:11, 24 October 2023

Fine grained igneous rock than contains less than 90 percent mafic minerals, less than 10 percent feldspathoid mineral and less than 20 percent quartz in the QAPF fraction and has a plagioclase to total feldspar ratio less than 0
Language Label Description Also known as
English
trachytoid
Fine grained igneous rock than contains less than 90 percent mafic minerals, less than 10 percent feldspathoid mineral and less than 20 percent quartz in the QAPF fraction and has a plagioclase to total feldspar ratio less than 0

    Statements