Provenance history, depositional conditions andtectonic settings during late Cenomanian – early Turonian time in the Gongola Sub-Basin of the Upper Benue Trough Nigeria: Evidence from major and trace elements geochemistry of the Kanawa shales from the Pindiga Formation

Usman Abubakar, Simon V. Hohl, Musa Bappah Usman, Abubakar Sadiq Maigari, Milan Stafford Tchouatcha, R. P. TABALE, Abdulwahab Muhammad Bello, Auwalu Dalha, Shehu Mukkafa