Sequence (geology)

In geology, a sequence is a stratigraphic unit which is bounded by an unconformity at the top and at the bottom.^[1]

Definition

In a more rigorous and general way, a sequence is defined as a

"relatively conformable , genetically related succession of strata bounded by unconformities or their correlative surfaces"^[2]

Special cases and related concepts

Special cases of sequences include type 1 sequences and type 2 sequences.^[3] A related concept are parasequences. Contrary to their name they are not smaller sequences.

References

^ Catuneanu, Octavian (2011). "Sequence stratigraphy: methodology and nomenclature" (PDF). Newsletters on Stratigraphy. 44 (3). E. Schweizerbart'sche Verlagsbuchhandlung: 183. doi:10.1127/0078-0421/2011/0011.
^ Patzkowsky, Mark E.; Holland, Steven M. (2012). Stratigraphic Paleobiology. Chicago: University of Chicago University Press. p. 220.
^ Patzkowsky, Mark E.; Holland, Steven M. (2012). Stratigraphic Paleobiology. Chicago: University of Chicago University Press. pp. 42–43.

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[catuneanu183-1] Catuneanu, Octavian (2011). "Sequence stratigraphy: methodology and nomenclature" (PDF). Newsletters on Stratigraphy. 44 (3). E. Schweizerbart'sche Verlagsbuchhandlung: 183. doi:10.1127/0078-0421/2011/0011.

[patzkowskyholland220-2] Patzkowsky, Mark E.; Holland, Steven M. (2012). Stratigraphic Paleobiology. Chicago: University of Chicago University Press. p. 220.

[patzkowskyholland42-3] Patzkowsky, Mark E.; Holland, Steven M. (2012). Stratigraphic Paleobiology. Chicago: University of Chicago University Press. pp. 42–43.

[1]

[2]

[3]

Definition

Special cases and related concepts

See also

References