On petrographic basis, Laghari (2004) and Ahmad and Chaudhry (2008) classified the rocks as adamellite
The Linglong biotite adamellite
occurs as batholiths or stocks, with SHRIMP zircon U-Pb age of 160.
EL7711 encompasses much of the central part of the Rockvale Adamellite which hosts silver-gold-antimony-arsenic mineralisation both at its margin and within the intrusion on northeast/northwest fracture zones, possibly associated with aplite dykes.
Mineralisation occurs as irregular shoots in altered aplite within the Rockvale Adamellite.
The soils at this location were developed from Mount Duval Adamellite
, a coarse-grained component of the New England Granites.
The batholith comprises five dome-like plutons that consist of quartz diorite to granodiorite, microcline-porphyritic and equigranular adamellite
with coarse-grained varieties containing muscovite phenocrysts up to 70 mm (Stillman, 2001).
In the Nagar Parkar complex these rocks have been referred to as adamellite
by Laghari (2004) and Ahmad and Chaudhry (2008).
In Wadlai adamellite
sphere, zircon and apatite are present along with altered product epidote (Laghari, 2005).
The landscape has formed on the Wallagaraugh Adamellite
and supports a native eucalypt forest of low productivity.
The Sinjrani Volcanic Group is invaded by the Chagai Intrusions during Late Cretaceous to Miocene including a varity of rock type such as granite, adamellite
, granodiorite, tonalite, diorite and gabbro.
The granitic rocks range from adamellite
, granite to granodiorite.
In the mineral and chemical composition granites, granodiorites, and syenogranites dominate; tonalites and adamellites
occur less often, while quartz diorites, quartz monzonites, and quartz syenites are recorded only in a few drill cores.