Columbia subject headings:
Geology, Structural--Congresses.
Petroleum--Geology--Congresses.
Harvard subject headings:
Petroleum--Geology--Congresses
Petroleum--Prospecting--Congresses
Plate tectonics--Congresses
Thrust faults (Geology)--Congresses.
Princeton subject headings:
Geology, Structural--Congresses.
Petroleum--Geology--Congresses.