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Sedimentary Depositional Systems
When
a sedimentary section is interpreted from outcrop, and/or associated
wells, and/or seismic, it is usually to determine the depositional
setting of the rocks and from this predict their character and extent
to areas where less information is available. This process of interpretation
often encompasses using:
The
prediction of the sediment character, geometry and extent away from
known areas is best helped if all of the above are used but often
some may not be available. For instance this web site records how
sedimentary stratigraphers use sequence stratigraphy as a tool to
both interpret the depositional setting of the sedimentary section
and also predict the lateral continuity of the component facies.
The following pages ofthis site provide an overview of depositional systems and their character in terms of items listed above. These systems include: Clastic
Systems - Continental
Clastic Systems - Marine Carbonate
Systems - Marine Each
of the depositional systems is described, and illustrated in terms
of their general plate and geomorphic setting, along with the
geometry and sedimentary facies that are common components of
the systems, the common sedimentary structures, common flora and
fauna, and the critical differences between lowstand, transgressive
and highstand system tracts, and their relationship to the major
subdividing parasequences surfaces. |
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