SISSVoc Default

fine grained igneous rock

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

alt label
volcanic rock more like this
definition Igneous rock in which the framework of the rock consists of crystals that are too small to determine mineralogy with the unaided eye; framework may include up to 50 percent glass. A significant percentage of the rock by volume may be phenocrysts. Includes rocks that are generally called volcanic rocks. more like this
narrower
http://resource.geosciml.org/classifier/cgi/lithology/andesite original
broader fine_grained_igneous_rock original
http://resource.geosciml.org/classifier/cgi/lithology/basalt original
broader fine_grained_igneous_rock original
http://resource.geosciml.org/classifier/cgi/lithology/dacite original
broader fine_grained_igneous_rock original
http://resource.geosciml.org/classifier/cgi/lithology/foiditoid original
broader fine_grained_igneous_rock original
http://resource.geosciml.org/classifier/cgi/lithology/high_magnesium_fine_grained_igneous_rocks original
broader fine_grained_igneous_rock original
http://resource.geosciml.org/classifier/cgi/lithology/phonolitoid original
broader fine_grained_igneous_rock original
http://resource.geosciml.org/classifier/cgi/lithology/rhyolitoid original
broader fine_grained_igneous_rock original
http://resource.geosciml.org/classifier/cgi/lithology/tephritoid original
broader fine_grained_igneous_rock original
http://resource.geosciml.org/classifier/cgi/lithology/trachytoid original
broader fine_grained_igneous_rock original
note Need to make decision as to whether devitrified glass should be considered glass or microcrystalline framework for purposes of categorization more like this
source Gillespie and Styles 1999; LeMaitre et al. 2002 more like this
type
Resource original
Concept original
broader
http://resource.geosciml.org/classifier/cgi/lithology/igneous_rock original
narrower fine_grained_igneous_rock original
in scheme simplelithology original
is primary topic of fine_grained_igneous_rock