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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.
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 Bluegrass region in the north central to northeastern part of the state.
Lebanon's tectonic history is closely related to the Levant Fracture System, a left-lateral strike-slip fault zone, separating the Arabian Plate from the African Plate.The intracontinental Palmyride fold belt, with a maximum elevation of 1,385 metres (4,544 ft) above sea level, is an important structural feature that dominates much of Lebanon and Syria, extending northeast towards the ...
The Knox Supergroup, also known as the Knox Group and the Knox Formation, is a widespread geologic group in the Southeastern United States. The age is from the Late Cambrian to the Early Ordovician. Predominantly, it is composed of carbonates, chiefly dolomite, with some limestone.
The Mississippian Borden Formation is a mapped bedrock unit in Kentucky, Indiana, Illinois, Ohio, West Virginia, [7] and Tennessee. It has many members, which has led some geologists to consider it a group (for example in Indiana [8]) rather than a formation (for example in Kentucky [1] [4]).
Geologic formations of Lebanon (1 C, 2 P) Fossils of Lebanon (40 P) P. Paleontology in Lebanon (1 C, 6 P) Pages in category "Geology of Lebanon"
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 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