Thursday, November 10, 2016

Highlights—Complexity in Tidally Modified Deltas

Regional sequence stratigraphic correlations of tidally-modified deltaic deposits are very difficult because of the spatial and temporal variability in facies distribution and resultant complex stacking patterns. To understand these types of systems, Burton and others examine the sedimentology and stratigraphy of the Loyd and Sego sandstones across the Uinta–Piceance basins by integrating outcrop and subsurface (core and log) data. The data lead to a sequence stratigraphic correlation and associated maps, from which they interpret controls on depositional processes over time. These types of well-constrained analogs can provide perspectives for enhanced interpretation of similar deposits in basins where subsurface data are sparse.

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