Figure 4. A) Shapes of sedimentary bodies formed in fluvial, deltaic, and submarine fan environments. Clockwise from upper left these images are: Wax Lake bay-head delta, LA.; ExxonMobil Upstream Research Company (URC) tank experiment; Submarine fan; Bar complex or ''delta'', Red River, OK; Delta; Mississippi Delta Complex; Submarine fan lobe, East Breaks, offshore Gulf of Mexico. B) 1.1, Bar, Platte River, NB; 1.2, Current ripple, Red River, OK; 1.3, Bar, Red River, OK; 1.4, ExxonMobil, URC tank deposit; 1.5, Bar, Arkansas River, OK;

1.6, Bars, Arkansas River, OK; 1.7, Side-scan sonar from Mississippi Fan; 1.8, Bar from East Breaks submarine fan.