Location : Near Randenigala reservoir
The rocks of this area belong to the highland complex with inter banded metamorphosed sediment and charnockitic gneiss but numerous pegmatite dike are found in Vijayan Complex.
The pegmatite is very coarse grained and formed veins due to the slow cooling and evaporation of the fluids.
It has waxy luster.
Many joints but no clear foliation planes.
No mineralization is observed.
It is an igneous plutonic rock that has intruded in to the country rock.
Large Dike
Location : Near Randenigala reservoir
GPS readings : 071058N
845439E
Major rock : Gneiss
Mineralogy : Allanite, Biotite, Orthoclase (K-feldspar),
Plagioclase ( Na, Ca feldspar), hornblende,
mica
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