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The Devonian (/ d ə ˈ v oʊ n i. ən, d ɛ-/ də-VOH-nee-ən, deh-) [9] [10] is a geologic period and system of the Paleozoic era during the Phanerozoic eon, spanning 60.3 million years from the end of the preceding Silurian period at 419.62 million years ago (), to the beginning of the succeeding Carboniferous period at 358.86 Ma.
The North Carolina State Climate Office at North Carolina State University reported that its Mount Mitchell weather station recorded 24.41 in (620 mm) of rainfall. [22] The office referred to the total as "off the charts", comparing it to 16.5 in (420 mm) of rainfall being a once-in-1,000-year flood for the area.
Devonian North America once again was home to seas that teemed with life. In fact Devonian marine life may have been more abundant and diverse than at any other point in the Paleozoic. [22] Glass sponges became abundant in western New York during the Devonian. [23]
Looking Glass Dome. The geology of North Carolina includes ancient Proterozoic rocks belonging to the Grenville Province in the Blue Ridge.The region experienced igneous activity and the addition of new terranes and orogeny mountain building events throughout the Paleozoic, followed by the rifting of the Atlantic Ocean and the deposition of thick sediments in the Coastal Plain and offshore waters.
The Early Devonian is the first of three epochs comprising the Devonian period, corresponding to the Lower Devonian series. It lasted from 419.62 ± 1.36 to 393.47 ± 0.99 and began with the Lochkovian Stage 419.62 ± 1.36 to 413.02 ± 0.99 , which was followed by the Pragian from 413.02 ± 1.36 to 410.62 ± 0.99 and then by the Emsian , which ...
Artist interpretation of a Devonian swamp forest scene. Artwork by Eduard Riou from The World Before the Deluge 1872. The Silurian-Devonian Terrestrial Revolution, also known as the Devonian Plant Explosion (DePE) [1] and the Devonian explosion, was a period of rapid colonization, diversification and radiation of land plants and fungi on dry lands that occurred 428 to 359 million years ago ...
A map of Earth as it appeared 390 million years ago during the Middle Devonian Epoch The Devonian ( / d ə ˈ v oʊ n i . ən , d ɛ -/ də- VOH -nee-ən, deh- ) is a geologic period and system of the Paleozoic era during the Phanerozoic eon , spanning 60.3 million years from the end of the preceding Silurian period at 419.62 million years ago ...
The two did, however, share a geological history from later in the early Cambrian until the mid-Orodovician. [8] Subduction evolved along the shores of Gondwana, which caused Avalonia to rift away and begin its northbound journey towards Baltica during late Cambrian and Early Ordovician. The Rheic Ocean opened behind the Avalonian ...