Simple Lithology
dioritic rock
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 | ||||||||||