http://resource.geosciml.org/classifier/cgi/lithology/dioritic_rock
definition | Phaneritic crystalline rock with M less than 90, consisting of intermediate plagioclase, commonly with hornblende and often with biotite or augite. A dioritoid with a plagioclase to total feldspar ratio (in the QAPF fraction) greater than 0.9. Includes rocks defined modally in QAPF fields 10, 10' and 10*. | ![]() |
|||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
narrower |
|
||||||||||
source | LeMaitre et al. 2002 | ![]() |
|||||||||
type |
|
||||||||||
broader |
|
||||||||||
in scheme | simplelithology | ||||||||||
is primary topic of | dioritic rock |