Granodiorite vs Diorite - What's the difference?
granodiorite | diorite | Derived terms |
(rock) An intrusive igneous rock similar to granite, but containing more plagioclase than potassium feldspar.
* 1996', Bart N. Ekwueme, Alfred Kröner, ''Emplacement Age of the Uwet '''Granodiorite and Implications for the Technothermal Evolution of the Oban Massif Southeastern Nigeria'', R. Chandra, R.K. Srivastava (editors), ''Magmatism in Relation to Diverse Tectonic Settings ,
* 2009 , George Rapp, Archaeomineralogy ,
* 2011 , Dougal Jerram, Nick Petford, The Field Description of Igneous Rocks ,
(rock) A grey intrusive igneous rock composed mostly of plagioclase feldspar, biotite, hornblende and/or pyroxene.
Diorite is a derived term of granodiorite.
In lang=en terms the difference between granodiorite and diorite
is that granodiorite is an intrusive igneous rock similar to granite, but containing more plagioclase than potassium feldspar while diorite is a grey intrusive igneous rock composed mostly of plagioclase feldspar, biotite, hornblende and/or pyroxene.granodiorite
English
(wikipedia granodiorite)Noun
(en noun)page 346,
- The dominant intruding rocks into the metamorphosed rocks of the Oban massif are granodiorites (Fig. 1).
page 51,
- Of the high-silica, coarse-grained, quartz-rich igneous rocks, granodiorites are quantitatively the most important.
unnumbered page,
- Most of the rocks in the calc-alkaline association are granitoids , that is they are granites, granodiorites and tonalites all containing >20% quartz, with feldspar, mica and amphibole in various combinations (Chapter 3, Figures 3.10 and 3.11).