Lithostratigraphy

Allostratigraphy

Lithology

Sequence Stratigraphy

 This term refers to the correlation of sedimentary rocks based on lithology. This is because sedimentary stratigraphy is concerned with interpreting, correlating and mapping sedimentary rocks. Lithostratigraphy maps these sedimentary rocks solely on the basis of their lithology and does not necessarily consider that these rocks may have accumulated over a particular period of time. In contrast allostratigraphy maps the rock units on the basis of surfaces that provide the timing of their accumulation, or sequence stratigraphy which is a higher order of allostratigraphy that assumes a connection of the subdividing surfaces to base level change. For a more extensive discussion of this topic you are refered to the section on allostratigraphy through the link in the left hand column.
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