Kansas Turnpike discontinuous exit numbers on I-70. The first of the highway, between its southern terminus at the Oklahoma border and Emporia, Kansas, are designated as Interstate 35 (I-35). The Kansas Turnpike is the only tolled section on this Interstate. The turnpike runs due north and south between its southern terminus and Wichita. This stretch of the highway runs parallel to U.S. Route 81 (US-81), which lies to the west of the turnpike. The Kansas Turnpike begins at the Oklahoma state line north of Braman, Oklahoma. This is also the point at which I-35 crosses from Kay County to Sumner County. The
Geology of Kansas Southern granite-rhyolite province dating to 1.35 to 1.48 Ga. Geology of Kansas The Geology of Kansas encompasses the geologic history of the US state of Kansas and the present-day rock and soil that is exposed there. Rock that crops out in Kansas was formed during the Phanerozoic eon, which consists of three geologic eras: the Paleozoic, Mesozoic and Cenozoic. Paleozoic rocks at the surface in Kansas are primarily from the Mississippian, Pennsylvanian and Permian periods. The oldest rocks at the surface in Kansas are Mississippian rocks that consist of limestones, shale, dolomite, chert, sandstones and siltstones. The Mississippian consisted of