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  2. Geology of Kentucky - Wikipedia

    en.wikipedia.org/wiki/Geology_of_Kentucky

    However, the Kentucky Geological Survey estimated a cumulative total of 200,000 wells in 1992, with 23,000 oil wells and 11,000 gas wells producing in 1989. The Eastern Coal Field and Western Coal Field have been the mine sites of production, with little exploration in the Jackson Purchase and Bluegrass regions.

  3. Middlesboro crater - Wikipedia

    en.wikipedia.org/wiki/Middlesboro_crater

    The 12-mile (19 km) long Cumberland Gap consists of four geologic features: the Yellow Creek valley, the natural gap in the Cumberland Mountain ridge, the eroded gap in Pine Mountain, and Middlesboro crater. Middlesboro crater is a 3-mile (4.8 km) diameter meteorite impact crater in which Middlesboro, Kentucky, is located.

  4. New Madrid seismic zone - Wikipedia

    en.wikipedia.org/wiki/New_Madrid_Seismic_Zone

    The New Madrid seismic zone (NMSZ), sometimes called the New Madrid fault line (or fault zone or fault system), is a major seismic zone and a prolific source of intraplate earthquakes (earthquakes within a tectonic plate) in the Southern and Midwestern United States, stretching to the southwest from New Madrid, Missouri.

  5. Rocky Face Fault - Wikipedia

    en.wikipedia.org/wiki/Rocky_Face_Fault

    The Rocky Face Fault is a geological fault responsible, in part, for the location of Cumberland Gap at Cumberland Mountain and the Narrows gap at Pine Mountain in the southern Appalachian Mountains. The fact that these two gaps lined up enabled western migration across the Appalachians to Kentucky.

  6. Pennyroyal Plateau - Wikipedia

    en.wikipedia.org/wiki/Pennyroyal_Plateau

    The Pottsville Escarpment is the transition zone from the central part of Kentucky to the higher and geologically younger Cumberland Plateau in the eastern part of the state. The Pennyroyal is bordered on the north by Muldraugh Hill, the geological escarpment that forms the transition from the geologically older Bluegrass to the

  7. Category:Geology of Kentucky - Wikipedia

    en.wikipedia.org/wiki/Category:Geology_of_Kentucky

    Pages in category "Geology of Kentucky" The following 12 pages are in this category, out of 12 total. ... Rocky Face Fault; T. Lake Tight This page was ...

  8. Lexington Limestone - Wikipedia

    en.wikipedia.org/wiki/Lexington_Limestone

    The Lexington Limestone is a prominent geologic formation that constitutes a large part of the late Ordovician bedrock of the inner Bluegrass region in Kentucky.Named after the city of Lexington, the geologic formation has heavily influenced both the surface topography and economy of the region.

  9. Wabash Valley seismic zone - Wikipedia

    en.wikipedia.org/wiki/Wabash_Valley_Seismic_Zone

    Locations of quakes magnitude 2.5 or greater in the Wabash Valley (upper right) and New Madrid (lower left) Seismic Zones. The Wabash Valley seismic zone (also known as the Wabash Valley fault system or fault zone) is a tectonic region located in the Midwestern United States, centered on the valley of the lower Wabash River, along the state line between southeastern Illinois and southwestern ...