The Geology and Petrography of Precambrian Basement Rocks of Gbunchu and Environs in Akwanga Local Government Area, Nassarawa State, North-Central Nigeria.
ABSTRACT The study area is located within the north-central Nigeria in Akwanga town, Nassarawa state. It lies between Latitudes 8°55'N to 9°00'N and Longitudes 8°25'E to 8°30'E. It is underlain by crystalline rocks of the Basement Complex “sensu stricto”, which comprises of migmatitic banded gneiss, biotite gneiss and gneissic granite. Based on the field characteristics and petrographic studies the area is believed to have attained a very high regional metamorphism and likewise h...