konkan shaded represents landward extension
konkan kerala section ndr geological
kerala konkan basin ndr geological
reykjanes landward wells
interval contour anomaly konkan
basin orthographic konkan
kerala konkan blocks nelp rounds offered different ndr ongc basin operation present total under number
kerala geological regional along
kerala konkan basin ndr traps formed slides cutting cross data
mannar sediment kerala gulf konkan
kerala basin konkan ndr structural elements order first india
kerala basin konkan ndr potential hydrocarbon
konkan kerala ndr basin