Miletus Dome (New)

Location

T4N, R4E, Marion County (H-6)

References

None

Description

The dome that provides the structural trap for the Miletus Oil Field, east of Kinmundy in northeastern Marion County, is named the Miletus Dome. As mapped on the Beech Creek ("Barlow") Limestone (ISGS open files), the Miletus Dome is pear-shaped in plan view, and the long axis runs north to south. The dimensions are 1.2 by 1.7 miles (2.0 x 2.8 km) and closure is approximately 40 feet (12 m). Doming also has been mapped on the Ste. Genevieve Limestone (Bristol and Howard 1976), on the base of the New Albany Group (Stevenson et al. 1981), and on top of the Galena Group (Bristol and Buschbach 1973). The dome lies on a south-plunging anticlinal nose in a region of east-southeast dip . The Miletus Oil Field has produced about 381,000 barrels from the Yankeetown ("Benoist") and Aux Vases Sandstones, and from a Ste. Genevieve ("McClosky") Limestone oolite bar (R. Howard, ISGS, personal communication 1989).