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Book Chapter

Previous Stratigraphic Concepts and Terminology

Published:
January 01, 1990

Abstract

The sequence as an unconformity-bounded stratal unit was proposed by Sloss in 1948 (Sloss et al., 1949;Sloss, 1950, 1963). Sloss (1963) pointed out, "The sequence concept is not new and was already old when it was enunciated by the writer and his colleagues in1948. The concept and practice is as old as organized stratigraphy." Nonetheless, Sloss deservedly is given credit for developing the unconformity-bounded sequence as a stratigraphic tool. Sloss (1963) recognized six packages of strata bounded by interregional unconformities on the North American craton between latest Precambrian and Holocene deposits. He called these stratal packages "sequences" and gave them native American names to emphasize their North American derivation (Sloss, 1988). Sloss (1988) used these cratonic sequences as operational units for practical tasks such as facies mapping, although he felt that these sequences" have no necessary applications to the rock stratigraphy and time stratigraphy of extra cratonic or extracontinental areas" (Sloss, 1963). Although the concept of the cratonic sequence provided the foundation for sequence stratigraphy, Sloss's ideas had found little acceptance in the 1950s, 1960s, and early 1970s except for Wheeler (1958) and "former students and close acquaintances" (Sloss, 1988).

The next major development in the evolution of sequence stratigraphy occurred when P.R. Vail, R.M.Mitchum, J.B. Sangree, and S. Thompson III of Exxon published the concepts of seismic stratigraphy in the American Association of Petroleum Geologists Memoir26 (Payton, 1977). In a series of seminal articles these authors presented the concepts of eustasy and resulting unconformity-bounded stratal patterns applied to and

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Contents

AAPG Methods in Exploration

Siliciclastic Sequence Stratigraphy in Well Logs, Cores, and Outcrops: Concepts for High-Resolution Correlation of Time and Facies

J. C. Van Wagoner
J. C. Van Wagoner
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R. M. Mitchum
R. M. Mitchum
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K. M. Campion
K. M. Campion
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V. D. Rahmanian
V. D. Rahmanian
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American Association of Petroleum Geologists
Volume
7
ISBN electronic:
9781629810164
Publication date:
January 01, 1990

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