Hornblende-biotite granodiorite
A rock subtype
This page is currently not sponsored. Click here to sponsor this page.
Unique Identifiers
Mindat ID:
50514
Long-form identifier:
mindat:1:1:50514:9
GUID
(UUID V4):
(UUID V4):
f4df20c3-10e6-4b33-8072-83f315804e68
Classification of Hornblende-biotite granodiorite
- Rock
- Igneous rock
- Normal crystalline igneous rock
- Coarse-grained ("plutonic") crystalline igneous rock
- Granitoid
- Granodiorite
- Hornblende-biotite granodiorite
- Granodiorite
- Granitoid
- Coarse-grained ("plutonic") crystalline igneous rock
- Normal crystalline igneous rock
- Igneous rock
Granodiorite is in section 4 of the QAPF diagram.
Sub-divisions of Hornblende-biotite granodiorite
- Hornblende-biotite granodiorite
Mineralogy of Hornblende-biotite granodiorite
Essential minerals - these are minerals that are required within the classification of this rock:
Amphibole > Hornblende | An informal name for dark green to black amphiboles, mostly ferro-hornblende or ... |
Feldspar > Alkali Feldspar | A subgroup of the Feldspar Group, poor in calcium, and mostly rich in potassium. |
Mica > Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 or Simplified: K(Mg,Fe)3AlSi3O10(OH)2 |
Silica > Quartz | SiO2 |
Internet Links for Hornblende-biotite granodiorite
mindat.org URL:
https://www.mindat.org/min-50514.html
Please feel free to link to this page.
Please feel free to link to this page.