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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.
Prominent peaks of Spruce Mountain, north to south, are Horse Rock (4,536 ft; 1,383 m), Spruce Mountain Peak (4,586 ft; 1,398 m), Picea Benchmark (4,613 ft; 1,406 m), and Spruce Knob itself. Spruce Knob is the highest point in the eastern United States between the Adirondacks of New York and Mount Rogers (part of the Blue Ridge Mountains) in ...
Paleogeographic reconstruction showing the Appalachian Basin area during the Middle Devonian period. The oldest exposed rocks in Kentucky are of Ordovician age. [2] At this time Kentucky was covered by a shallow, warm sea. The carbonate rocks of Kentucky deposited during this period are regarded as "world-class" sources of fossils. [3]
Pottsville-capped Spruce Knob in West Virginia South of Mount Porte Crayon and Seneca Creek, the Appalachian structural front is less clearly unified. Pottsville-capped Spruce Mountain , south and east of Seneca Creek, continues the Allegheny Front's geology southward; [ 5 ] this ridge reaches an elevation of 4,863 feet (1,482 m) at Spruce Knob ...
A Literary History of Kentucky (1988) (ISBN 0-87049-578-X) WPA, Kentucky: A Guide to the Bluegrass State (1939); classic guide from the Federal Writers Project; covers main themes and every town online; Yater, George H. (1987). Two Hundred Years at the Fall of the Ohio: A History of Louisville and Jefferson County
Around 480 million years ago, geologic processes began that led to three distinct orogenic eras that created much of the surface structure seen in today's Appalachians. [ d ] During this period, mountains once reached elevations similar to those of the Alps and the Rockies before natural erosion occurred over the last 240 million years leading ...
Teeth embedded in cave walls reveal new species of ancient sea creature in Kentucky In 2020, Mammoth Cave announced the discovery of more than 100 shark teeth belonging to at least 10 different ...
This list of the Paleozoic life of Kentucky contains the various prehistoric life-forms whose fossilized remains have been reported from within the US state of Kentucky and are between 538.8 and 252.17 million years of age.