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Palmason Model : ウィキペディア英語版 | Palmason Model The Palmason Model is a depth, distance, temperature and heat flow gradient model of crustal accretion mechanism through the Iceland lithosphere which denotes the spreading material trajectories from a rift axis. The material erupting at the rift axis will tend to sink down, due to thermal subsidience and spreading, to a depth of many kilometers, while lava flows spreading to a distance of many kilometers away from the rift axis on the surface will sink down to shallower depth. Surface erosion can expose such preserved materials. The model was developed in the 1970s and 80s by Guðmundur Pálmason (1928–2004),〔Freysteinn Sigmundsson, ''Iceland geodynamics: crustal deformation and divergent plate tectonics'', section 4.4, Birkhäuser, 2006.〕 once one of Iceland's best chess players.〔(Guðmundur Pálmason's chess games ), Chessgames.com.〕 As usual outside Iceland, the name of the model misunderstands Icelandic naming conventions, because Pálmason is a patronymic not a surname, and in Iceland he would have properly been referred to by his given first name, Guðmundur. ==References==
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Palmason Model」の詳細全文を読む
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