Simple Lithology

dacite

http://resource.geosciml.org/classifier/cgi/lithology/dacite

star this property broader acidic igneous rock
star this property narrower dacite
fine grained igneous rock
star this property narrower dacite
star this property 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. more like this
star this property example rhyodacite more like this
star this property source LeMaitre et al. 2002 more like this
unstar this property type
Resource
Concept
star this property in scheme simplelithology
star this property is primary topic of dacite& properties=type