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・ Lappkärret
・ Lappkärrsberget
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・ Lappland Shield
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・ Lapland Biosphere Reserve
・ Lapland Calendar
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Lapland Granulite Belt
・ Lapland Group
・ Lapland longspur
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・ Lapland Odyssey
・ Lapland Rifle Regiment
・ Lapland ringlet
・ Lapland University of Applied Sciences
・ Lapland War
・ Lapland Week
・ Lapland, Indiana
・ Lapland, Nova Scotia
・ LAPLander
・ Laplander
・ Laplandite-(Ce)


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Lapland Granulite Belt : ウィキペディア英語版
Lapland Granulite Belt

The Lapland Granulite Belt is an elongate and arcuate zone of granulite rock in the Cap of the North spanning areas within Norway, Finland and Murmansk Oblast in Russia. At most the belt is 80 km broad. The main rocks of the belt are migmatized greywacke and argillites. Studies of detrital zircon show that the sedimentary protolith of the metamorphic rocks of the belt could not be older than 2900–1940 million years.〔 The belt has norite and enderbite intrusions of calc-alkaline chemistry.
It is believed that the belt formed by the closure of an ancient Lapland-Kola Ocean and the continental collision of two continents of Archean age.
==References==


抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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