Columbia subject headings:
Geology, Stratigraphic--Congresses.
Harvard subject headings:
Geology, Stratigraphic--Congresses
Sequence stratigraphy--Congresses.
Princeton subject headings:
Geology, Stratigraphic--Congresses.
Petroleum--Prospecting--Congresses.
Quartz--Congresses.
Sedimentation and deposition--Congresses.
Silicates--Congresses.
Stratigraphic correlation--Congresses.