By PARKER GAY

GEOPHYSICAL CORNER

Maps: It's the Basements Fault

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Graphics courtesy of Parker Gay

Figure 5 previous | main article

Echo Springs-Standard Draw-Coal Gulch Field, Sweetwater Country, Wyoming, in the Washakie Basin, > 1 tcf of gas. This Upper Cretaceous Almond sand bar, as defined by net sand isopach map (red) has been identified as a shoreline bar. It follows precisely along a basement fault interpreted from magnetic contours (blue) and is probably controlled by it.

Graphics courtesy of Parker Gay