Lacustrine depositional
systems can include both prolific source rocks and porous reservoirs, yet the
controls on spatial variability in these systems are poorly constrained. This
study by Hargrave et al. focuses on Plio-Pleistocene to
Holocene lacustrine carbonate strata that accumulated along the southeastern
margin of Lake Turkana (Kenya), a long-lived extensional basin that preserves a
suite of carbonate facies assemblages. Field and laboratory data reveal the complex
depositional environments of the carbonate facies of the volcanically mediated,
mixed siliciclastic and carbonate system of the South Basin. These observations
provide a conceptual model that may be a useful analogue for extensional basins
that host economic quantities of hydrocarbons.
Lacustrine carbonates from Lake Turkana,Kenya: a depositional model of carbonates in an extensional basin by Jennifer
E. Hargrave, Melissa K. Hicks, and Christopher A. Scholz
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