Estimation of the Depth to Moho of Parts of North-Central Nigeria Using Bouguer Gravity Data

Abstract

Estimation of the depth to Moho was carried out using Bouguer gravity data in parts of North Central Nigeria. Empirical relations were used on the Bouguer gravity data of the study area. Three empirical relations were used to calculate the Moho depth within the study area which are, Demenistkaya, Woollard, Woollard and Strange. Results of Moho depth obtained from empirical analysis ranges from 29.5 to 41.5 km for Demenistkaya, 28.50 to 36.0 km for Woollard, and 27.0 to 37.5 km for Woollard and Strange. The average of the empirical relations were 28.5 to 38.5 km. the considerable Moho depth range of 28.50 to 38.5 km obtained within this tectonically stable area gives an indication the tectonic stability of the area is further enhanced.