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PROCESSI DI MANTELLO NELLE PERIDOTITI ... - UpperMantle.com

PROCESSI DI MANTELLO NELLE PERIDOTITI ... - UpperMantle.com

PROCESSI DI MANTELLO NELLE PERIDOTITI ... - UpperMantle.com

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100<strong>PERIDOTITI</strong> A SPINELLO E A PLAGIOCLASIO10Plg-peridotiticpxSample/Chondrite1Plg-peridotiti Sp-peridotitiSp-peridotitiopx0,1plag0,01La Ce Pr Nd Sm Eu Gd Tb Dy Ho Y Er Tm Yb LuI clinopirosseni e i plagioclasi delle peridotiti a spinello hanno REE patternsmolto frazionati in LREE. I cpx e gli opx delle peridotiti a plagioclasio hannocontenuti in REE piu’ elevati dei pirosseni delle peridotiti a spinello.

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