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The Kentucky Geological Survey (KGS) is a department of the University of Kentucky that provides information on the geology of Kentucky, but has variously over the course of its history been a state level office, or a sub-division of a state combined geology and forestry department, at times its official State Geologist being prohibited by law from being associated with the University of Kentucky.
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. The beginning of the Paleozoic is poorly attested and the ...
Kentucky's regions (click on image for color-coding information) Kentucky can be divided into five primary regions: the Cumberland Plateau in the east, which contains much of the historic coal mines; the north-central Bluegrass region, where the major cities and the state capital (Frankfort) are located; the south-central and western Pennyroyal Plateau (also known as the Pennyrile or ...
Kentucky, Ohio, Indiana. The Kope Formation is one of the three component bedrock formations of the Maquoketa Group that primarily consists of shale (75%) with some limestone (25%) interbedded. In general, it has a bluish-gray color that weathers light gray to yellowish-gray and it occurs in northern Kentucky, southwest Ohio, and southeast ...
M. R. Campbell [4] Year defined. 1898 [4] 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.
Knobs region. Coordinates: 37°52′53″N 85°40′35″W. USGS physiographic map of Kentucky showing the location of the Knobs. The Knobs Region or The Knobs is located in the US state of Kentucky. It is a narrow, arc-shaped region consisting of hundreds of isolated hills. The region wraps around the southern and eastern parts of the ...
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. It consists of sedimentary limestone with ...
Silurian Kentucky (4 P) ... Pages in category "Geologic formations of Kentucky" The following 12 pages are in this category, out of 12 total.