Simple Lithology

tephritoid

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

alt label
tephritic rock more like this
definition Fine grained igneous rock than contains less than 90 percent mafic minerals, between 10 and 60 percent feldspathoid mineral in the QAPF fraction and has a plagioclase to total feldspar ratio greater than 0.5. Includes rocks classified in QAPF field 13 and 14 or chemically in TAS field U1 as basanite or tephrite. more like this
narrower basanite
broader tephritoid
phonolitic basanite
broader tephritoid
phonolitic tephrite
broader tephritoid
tephrite
broader tephritoid
source LeMaitre et al. 2002 more like this
type
Resource
Concept
broader fine grained igneous rock
narrower tephritoid
in scheme simplelithology
is primary topic of tephritoid