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Borneo Deltas: Challenging the Models Borneo Deltas: Challenging the Models

(and implications for deltaic reservoirs in SE Asia) by Joseph J Lambiase. Traditional delta models maintain that: 1) shoreline and sand body geometry and facies distribution reflect dominant hydrodynamic processes, 2) retrogradational stratigraphic successions are rarely, if ever, preserved, 3) reservoir quality is best in progradational, topset sands, and 4) reservoir-degrading bioturbation is less on deltas than on open marine coastlines because reduced salinities inhibit burrowing organisms. However, on three modern Borneo deltas (Baram, Mahakam... 

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