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The AAPG/Datapages Combined Publications Database

AAPG Bulletin

Abstract


Volume: 60 (1976)

Issue: 4. (April)

First Page: 528

Last Page: 542

Title: Inferring Stratigraphy from Seismic Data

Author(s): R. E. Sheriff (2)

Abstract:

The conventional application of seismic data to mapping Previous HitdepthNext Hit and attitude of reflecting interfaces has been supplemented in recent years by measurements of Previous HitvelocityNext Hit and amplitude for stratigraphic and lithologic information. Data patterns and angular relations between events provide clues to lithology and geologic history. Such data can be interpreted in terms of silica-clastic/carbonate/evaporite lithology, competent or plastic rocks, rigid or compactible sediments, depositional processes and environment, direction of sediment source, periods of subsidence/growth/erosion, etc. Special attention is given to (1) resolution of events, (2) the measurement and interpretation of seismic Previous HitvelocityTop, (3) amplitude measurements, and (4) display, so as to help an interpreter grasp he interrelations of data elements. The interpreter must bring together imagination and geologic and geophysical knowledge to discover possibilities while avoiding pitfalls of untenable geologic conclusions or of misinterpretation of seismic data.

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