By PARKER GAY

GEOPHYSICAL CORNER

Maps: It's the Basements Fault

Click on the image below to better view its details

Figure 1

Figure 2

Figure 3

Figure 5

Graphics courtesy of Parker Gay

Figure 4 previous | next | main article

Outline (red) of Fiddler Creek Field, Weston County, Wyoming, superimposed on NewMag® residual contours (blue). Prominent truncation line (basement shear zone) on the magnetic map runs precisely down the long axis of the field. The field produces from lower Cretaceous Muddy formation, a fluvial sandstone. Well-spot map courtesy of Barlow and Haun, 1987.

Graphics courtesy of Parker Gay