Article Sidebar download Requires Subscription PDF DOI: 10.4314/jmg.v43i2.47901 Article Details Issue Vol. 43 No. 2 (2007) Section Articles Copyright for articles published in this journal is retained by the journal. Main Article Content Age control and designation of the standard stratotype of Nsukka formation of Anambra Basin, Southeastern Nigeria OP Umeji CS Nwajide Abstract No Abstract.