Depositional systems tract

Exploring for Oil and Gas Traps
Series	Treatise in Petroleum Geology
Part	Critical elements of the petroleum system
Chapter	Sedimentary basin analysis
Author	John M. Armentrout
Link	Web page
Store	AAPG Store

Subdivision of each sea level cycle into its depositional phases helps us construct high-frequency paleogeographic maps, one or more for each depositional systems tract. These maps help us predict reservoir and seal rock as well as delineate probable migration avenues. From integrated data sets, a high-resolution age model can be constructed and used to correlate and calibrate depositional sequences. Using the age model and stratigraphic thicknesses, rock accumulation rates of each cycle can be calculated and the thermal history for each depocenter reconstructed.

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See also

• Sea level cycle phase
• Paleogeography
• Sea level cycle phase and systems tracts
• Depositional sequence identification

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