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Iapetus Suture
The Iapetus Suture is one of several major geological faults caused by the collision of several ancient land masses forming a suture. It represents in part the remains of what was once the Iapetus Ocean. Iapetus was the father of Atlas in Greek mythology, making his an appropriate name for what used to be called the 'Proto-Atlantic Ocean'. When the Atlantic Ocean opened, in the Cretaceous period, it took a slightly different line from that of the Iapetus suture, with some originally Laurentian rocks being left behind in north-west Europe and other, Avalonian, rocks remaining as part of Newfoundland. Background The Iapetus Ocean was an ancient ocean which existed in the Southern Hemisphere approximately 600 million years ago and was bordered by several paleocontinents: Laurentia, Ganderia, Carolinia, Avalonia, and Baltica. During a series of geological events, the Salinic orogeny and Caledonian orogeny all three land masses began to converge upon each other slowly diminishing t ...
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Caledonides EN
The Caledonian orogeny was a orogeny, mountain-building era recorded in the northern parts of the British Isles, the Scandinavian Mountains, Svalbard, East Greenland Orogen, eastern Greenland and parts of north-central Europe. The Caledonian orogeny encompasses events that occurred from the Ordovician to Early Devonian, roughly 490–390 million years ago (Megaannum, Ma). It was caused by the closure of the Iapetus Ocean when the continents and terranes of Laurentia, Baltica and Avalonia collided. The Caledonian orogeny is named for Caledonia, the Latin name for Scotland. The name was first used in 1885 by Austrian geologist Eduard Suess for an episode of mountain building in northern Europe that predated the Devonian period (geology), period. Geologists like Émile Haug and Hans Stille saw the Caledonian orogeny as one of several episodic phases of mountain building that had occurred during History of Earth, Earth's history. Current understanding has it that the Caledonian orog ...
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Red Indian Lake
Red Indian Lake is located in the western interior of Newfoundland (island), Newfoundland in the province of Newfoundland and Labrador, Canada. The lake drains into the Exploits River which flows through the interior of Newfoundland and exits into the Atlantic Ocean through the Bay of Exploits. Lloyds River, the Victoria River (Newfoundland), Victoria River and Star River feed into the lake. History The Beothuk, also known as 'Red Indians,' inhabited several campsites on the shore of the lake. An expedition into the interior by John Cartwright (political reformer), John Cartwright and brother George Cartwright (trader), George Cartwright in search of the Beothuk found only abandoned campsites. At the time of their discovery of the lake they named it ''Lieutenant's Lake'' and they had assumed that the lake was part of the same system as ''Lake Mickmack'', known today as Grand Lake (Newfoundland), Grand Lake. In January 1811, an expedition led by David Buchan travelled up the Exploits ...
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