Class Note for GEOS 212 at UA
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This 2 page Class Notes was uploaded by an elite notetaker on Friday February 6, 2015. The Class Notes belongs to a course at University of Arizona taught by a professor in Fall. Since its upload, it has received 18 views.
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Date Created: 02/06/15
LECTURE 3 OUTLINE Spreading Hot Spots amp Subduction September 2 2008 0 History of spreading in South Atlantic North Atlantic Eastern Pacific Labrador Sea and Indian Ocean Rates of spreading 0 Rate DistanceTime 1000 kilometers 10 million years 10 centimetersyear 0 Pacific Plate also has chain of islands from hot spot Hawaii 0 Connection between mantle plume hot spot island chain 0 Rate of motion calculation Subduction zones in continental and oceanic settings World Tour of subduction zones Ring of Fire 1 1 If 4 1 44w 711quot fr 3 Mi ciWay39 Kau if zgig fs Molokai 39 wi lflands 38 5e 1343 39 39 m aun 7 4 leSs than 10 391 39 39 9 3 A a 1 0 l i 39 l i v 7 x V Digectianpf ll g H A 94 7 7 Hot spot 2 t gm3quot I Yr I v Hawaii O 7 to present 1 mf o39qvquot w I r 423 Oceanic lithosphere Ages given In millions of years Copyright 2002 by Tasa Graphlc Arts Inc oopyugm a eunany TEE Svapmu Ms mo Volcanic island arc mpyngnre 2002byTasan pna ANS nc
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