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A coarse-grained igneous rock consisting primarily of quartz, plagioclase feldspar, and potassium feldspar, and also containing biotite, hornblende, or pyroxene.

gran′o·di′o·rit′ic (-rĭt′ĭk) adj.


(Geological Science) a coarse-grained acid igneous rock containing almost twice as much plagioclase as orthoclase: intermediate in composition between granite and diorite
[C19: from grano + diorite]
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The gold mineralized veins are hosted in competent granodiorite and extend to surface.
During Napoleon's invasion, a French captain discovered a slab of granodiorite, inscribed with three versions of the same text - a decree issued in 196BC by Ptolemy V.
The intrusive contact relationship of rock masses in the field suggests that the formation of quartz diorite and granodiorite was relatively early, while quartz diorite and aplite were formed later.
Since Q3 2016 when the decline moved through oxidized material, requiring additional support, into competent granodiorite, daily advance rates have substantially increased from 3 m/d up to 27 m/d.
Two small plutons in the northeastern part of the belt were together named the Skye Mountain pluton, described as separate bodies of gabbro and granodiorite, and assigned an age anywhere between Precambrian and Carboniferous (White et al.
The object of the present study is a granodiorite from the Velaiciai-2 deep drilling (Vlc-2 drill core) located within the Telsiai Deformation Zone in NW Lithuania (Fig.
Geophysical results infer the Groundhog Project lies along the Northeast margin of the large Cretaceous granodiorite Kaskanak batholith and is intersected by a north-northeast-trending corridor of distinctive co-magmatic hypabyssal intrusives.
Meantime gd intrusive bodies with Hornblende granodiorite to monzonite permeated between meta-gabbro and limestone.
The trace elements in the oldest zircons from Australia's Jack Hills range suggest that they came from granite-like rocks such as tonalite or granodiorite.
The first group consisted of coarse grained rocks including granite and granodiorite whereas the second group consisted of fine grained and cryptocrystalline rocks including dolerite, basalt, and rhyolite.