112lect27 - GY 112 Lecture Notes D Haywick(2006 1 GY 112...

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GY 112 Lecture Notes D. Haywick (2006) 1 GY 112 Lecture Notes Laurentia in the Paleozoic (non-tectonics) Lecture Goals : A) Eastern Laurentia (pre-orogenic deposition) B) Central North America (Depositional sequences) C) The Grand Canyon Textbook reference: Levin 7 th edition (2003), Chapters 8 & 9; Levin 8 th edition (2006), Chapters 10 & 11 A) Eastern Laurentia (Pre-Orogenic Deposition) I did my masters research in western Newfoundland, an island off the coast of Canada on rocks that were Ordovician in age (the red area on the simplified geology map to the left from http://instruct.uwo.ca/earth- sci/200a-001/16obduct.htm. I loved my stay on this remote island. It was rustic, wet, rugged and populated by the friendliest people on the planet (with the possible exception of the New Zealanders). The friendliness of the Newfoundlanders was highlighted during the unfortunate events of Sept 11, 2001. When the airspace of the United States was closed to all aircraft, dozens were forced to land in small towns in Newfoundland and other parts of eastern Canada. Thousands of Americans were suddenly stuck in Newfoundland (this is pretty scary when you first look out the airplane window at Gander!). In some cases, there were as many stranded passengers as there were residents in towns like Gander (see image to right from www.airliners.net), but almost all of the passengers reported the most heartwarming experiences. These strangers were welcomed into private homes and treated like long-lost relatives. The stranded passengers were impressed. Many cried when they left Newfoundland. Many said that they would return to the island under happier
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GY 112 Lecture Notes D. Haywick (2006) 2 circumstances and many (this is really impressive) have kept in touch with their “Newfie” hosts. When interviewed by American reporters after the fact, most Newfoundlanders expressed surprise that their generosity was so surprising to the rest of the world. One person said, “we didn’t so anything special. We would treat anyone in trouble this way”. This is true. I was adopted when I was a student in western Newfoundland. I had people feed me, wine me (my favorite Newfies!), fix flat tires on my trailer (this was a very interesting story – ask me to tell you about it one day; you may cry), and let me shower in their house (this was nice; I had been showering in the campground that I was staying at). All in all, I recommend you visit this pleasant little island. Did I mention fantastic geology? Newfoundland is the birthplace of the Wilson Cycle which we previously discussed during a lecture on Proterozoic tectonics). Now let me tell you about the rocks that I was looking at for my Masters thesis. They were all deposited well before the birth of the Appalachian Mountains. The rocks I was looking at were Ordovician in age (specifically Lower Ordovician). They
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112lect27 - GY 112 Lecture Notes D Haywick(2006 1 GY 112...

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