The Mississippian Madison Group (known also as the Amsden Formation), is a major limestone formation with considerable potential for supporting geologic carbon sequestration. Shown in this map are estimated depths of the formation for areas surrounding the Williston and Powder River Basins. Data sources: from Peterson, J.A., Longman, M.W., Anderson, S.B., Pilatzke, R.H., and Kent, D.M., 1987, Williston Basin, anatomy of a cratonic oil province: Rocky Mountain Association of Geologists, 440 p.
Click on the map for a larger version (in a new pop-up window) or download a high resolution jpeg version of this map (see link below).
Right-click and Save As to download
