trachytoid (Q43307): Difference between revisions
From geokb
(Changed label, description and/or aliases in en, and other parts: Updated rock class item with Geoscience Ontology GSRM data) |
(Changed an Item: Updated rock class item with Geoscience Ontology GSRM subclass data) |
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| Property / subclass of | |||
| Property / subclass of: fine grained igneous rock / rank | |||
Normal rank | |||
| Property / subclass of: fine grained igneous rock / reference | |||
| Property / subclass of: fine grained igneous rock / reference | |||
Latest revision as of 17:12, 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 |
