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Scope of petrology and structural geology

Short answer

Petrology identifies rock types, strength and durability, essential for aggregate, foundations and tunnels. Structural geology studies folds, faults and joints, crucial for slope stability, tunnel support, dam watertightness and foundation bearing capacity.

Describe the scope of petrology and structural geology in the field of civil engineering in brief.

Petrology studies the origin, composition, texture and classification of rocks. For civil engineers it helps to identify rocks in the field, judge their strength, durability and weathering, and select rock for aggregate, building stone, dam foundations and tunnels.

Structural geology studies the attitude and deformation structures of rocks: dip and strike, folds, faults, joints and unconformities. It is important for judging slope and tunnel stability, the watertightness of dam and reservoir sites, the bearing capacity of foundations and the location of active (seismic) faults.

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