FIELD GEOLOGY, GRANULOMETRIC AND HEAVY MINERAL INVESTIGATION OF SILTSTONE DEPOSIT IN GWANDU FORMATION, PART OF SHEET 49 NW, BIRNIN KEBBI, SOKOTO BASIN NORTHWESTERN NIGERIA  

2019-09-01
Geology investigation of a part of sheet 49, Birnin Kebbi was studied in order to carry out field study, by logging outcrop sections; to determine textural characteristics of sandstone and ...