The Devonian Era

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The Devonian period initiating approximately 416 Mya and culminating 359 Mya represents a geologic time period, which characterizes a major part of the Paleozoic Era. Traversing between the Silurian period (444 - 416 Mya), and Carboniferous period (359 – 299 Mya) the Devonian period epitomizes substantial modifications in the world's ecology and geography.
In the early Devonian period, also known as the Lochkovian, Pragian and Emsian epoch, due to substantial tectonic activity, resulted in the convergence of numerous continental land masses, forming into two supercontinents known as Euramerica and Gondwana. Both these supercontinents assembled comparatively close to each other in a single hemisphere near the equator and were surrounded by massive oceans which resulted in the formation of subduction zones. (Sites with a high rates of earthquakes, volcanism and
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The plates colliding together produced considerable seismic activity, thus leading to the formation of the Acadian Mountain range. “The Acadian orogeny is the third of the four orogenies that created the Appalachian orogeny and subsequent basin.” (Faill, 297) Orogeny describes any event that leads to enormous structural deformation of the Earth's lithosphere due to the interaction between tectonic plates. This series of Appalachian orogeny resulted in the formation of the Appalachian Mountains of eastern North America. The formation started in the early Devonian period, however reached its pinnacle during the mid to late Devonian period. As a result of the newly formed mountain range, there was extensive erosion, which produced prodigious amounts of sediment, which was then deposited in lowlands and shallow seas nearby during the mid to late Devonian period. This created a large amount of new low line continental
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