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→Stratigraphic cross sections
==Stratigraphic cross sections==
==Stratigraphic cross sections==
[[file:geological-cross-sections_fig1.png|thumb|300px|{{figure number|1}}(a) Stratigraphic and (b) structural cross sections of the Ranger Formation in the Long Beach unit of the Wilmington field, California. Sections are projected onto a north-south plane. (From Slatt et al.<ref name=pt06r122>Slatt, R. M., Phillips, S., Boak, J. M., Lagoe, M. B., 1993, Scales of geological heterogeneity of a deep-water sand giant oil field, Long Beach unit, Wilmington field, California, in Rhodes, E. G., Moslow, T. F., eds., Marine Clastic Reservoirs—Examples and Analogs: New York, Springer-Verlag.</ref>)]]
[[file:geological-cross-sections_fig1.png|thumb|300px|{{figure number|1}}(a) Stratigraphic and (b) structural cross sections of the Ranger Formation in the Long Beach unit of the Wilmington field, California. Sections are projected onto a north-south plane. (From Slatt et al.<ref name=pt06r122>Slatt, R. M., S. Phillips, J. M. Boak, and M. B. Lagoe, 1993, Scales of geological heterogeneity of a deep-water sand giant oil field, Long Beach unit, Wilmington field, California, in Rhodes, E. G., Moslow, T. F., eds., Marine Clastic Reservoirs—Examples and Analogs: New York, Springer-Verlag.</ref>)]]
Stratigraphic cross sections show characteristics of correlatable stratigraphic units, such as reservoir sandstones or sealing shales. They may also be vital in understanding the timing of [[deformation]] by showing the drape of sediment over developing folds or the thickening of the section across [[growth fault]]s. The following elements of cross section design are presented as if they were a sequence. In practice, however, each choice affects and is affected by the others.
Stratigraphic cross sections show characteristics of correlatable stratigraphic units, such as reservoir sandstones or sealing shales. They may also be vital in understanding the timing of [[deformation]] by showing the drape of sediment over developing folds or the thickening of the section across [[growth fault]]s. The following elements of cross section design are presented as if they were a sequence. In practice, however, each choice affects and is affected by the others.