Concept
Alternate Profiles
Different views and formats:
Alternate Profiles ?Profiles (alternative information views) encoded in various Media Types (HTML, text, RDF, JSON etc.) are available for this resource.
- Preferred Labelskos:prefLabel
dacite
- URI
- http://resource.geosciml.org/classifier/cgi/lithology/dacite ↗Go to the persistent identifier link
- Within Vocab
- Simple Lithology
| Preferred Labelskos:prefLabel | dacite |
|---|---|
| Definitionskos:definition | Fine grained or porphyritic crystalline rock that contains less than 90 percent mafic minerals, between 20 and 60 percent quartz in the QAPF fraction, and has a plagioclase to total feldspar ratio greater than 0.65. Includes rocks defined modally in QAPF fields 4 and 5 or chemically in TAS Field O3. Typcially composed of quartz and sodic plagioclase with minor amounts of biotite and/or hornblende and/or pyroxene; fine-grained equivalent of granodiorite and tonalite. |
| Exact MatchexactMatch |
http://inspire.ec.europa.eu/codelist/LithologyValue/dacite
|
| Broaderbroader |
acidic igneous rock
fine grained igneous rock |
| See AlsoseeAlso | Simple Lithology |
| Exampleexample | rhyodacite |
| Is Defined ByisDefinedBy | Simple Lithology |