(Abubakar Tafawa Balewa University Bauchi, 1996-12-12) "ALIU A. 0 .; "ALIU A. 0 .
Field geological mapping and petrological studies of rock
samples, were carried out in Dass Area, South-West of Bauchi,
in North-Eastern part of Nigeria. The area lies between
longitudes 9°30 1E and 9o351E and latitudes 10°001N and 10°03 1N
covering approximately Blsq km.