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The geology of Kentucky formed beginning more than one billion years ago, in the Proterozoic eon of the Precambrian. The oldest igneous and metamorphic crystalline basement rock is part of the Grenville Province, a small continent that collided with the early North American continent.
Pages in category "Geology of Kentucky" The following 12 pages are in this category, out of 12 total. This list may not reflect recent changes. ...
This article contains a list of fossil-bearing stratigraphic units in the state of Kentucky, U.S. Sites. Group or Formation Period Notes Alvy Creek Formation:
Fossils from the Ordovician are commonplace in the geologic formations which make up the Cincinnati Arch and are commonly studied along man made roadcuts. The Nashville Dome of Tennessee and the Jessamine Dome or Lexington Dome [ 1 ] of central Kentucky make up the central portion of the arch.
Regions of Kentucky, with the Pennyroyal Plateau shown in light brown (labeled as the Mississippi Plateau) The Pennyroyal Plateau or Pennyroyal Region, often spelled Pennyrile, [1] is a large physiographic region of Kentucky that features rolling hills, caves, and karst topography in general.
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.
The Cumberland Plateau is a deeply dissected plateau, with topographic relief commonly of about 400 feet (120 metres), and frequent sandstone outcroppings and bluffs.. At Kentucky's Pottsville Escarpment, which is the transition from the Cumberland Plateau to the Bluegrass in the north and the Pennyrile in the south, there are many spectacular cliffs, gorges, rockhouses, natural bridges, and ...
Geological map of Mammoth Cave National Park, incl. St. Louis Limestone Outcrops of the St. Louis Limestone near Frenchburg, Kentucky. The St. Louis Limestone is a large geologic formation covering a wide area of the midwest of the United States. It is named after an exposure at St. Louis, Missouri.