Most of the petroleum occurrences in india are associated with anticlines and fault traps in the rock formations of the tertiary age. what is the meaning of anticlines and tertiary here in simple terms?
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Anticlinal trap is A fold structure with an arch of non-porous rock overlying porous strata (reservoir rock), providing a trap in which oil, gas, or water may accumulate. In Middle East oilfields, large, upright folds occur in thick, competent limestones which extend for many kilometres; fracturing along the crests of the anticlines increases permeability in the reservoir rocks.
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