Figure 7a. Contour map of Second vertical derivatives of the aeromagnetic map of the study area

From

Magnetic Basement Depth Re-Evaluation of Naraguta and Environs North Central Nigeria, Using 3-D Euler Deconvolution

Opara A.I., Emberga T.T., Oparaku O.I., Essien A.G., Onyewuchi R.A., Echetama H.N., Muze N.E., Onwe R.M

American Journal of Mining and Metallurgy. 2015, 3(2), 29-42 doi:10.12691/ajmm-3-2-1