Geography
The Conasauga shale overlies the Rome Formation and in turn is overlain by the Knox Formation. The Conasauga Shale is present as far south as Talladega County, and extends north to Calhoun, Cleburne, St. Clair, Etowah, Cherokee and DeKalb counties Alabama, and into Northwest Georgia.(Ibid #1)
The Conasauga has one of the thickest shale sections in the world. Total organic content of the shale ranges from 0.5% to 1.5%. The Schlumberger Montage Shale log filed with the Alabama Oil and Gas Board calculates gas in place as 330.2 BCF per square mile of gas in place for every 4,270 feet (1,300 m) thickness of shale. This area has a unique subsidence and thrust zone under it that the geologist Dr. William Thomas has classified as a "Mushwad". (Ibid #1)
Read more about this topic: Conasauga Shale
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