 | | Journal (article/letter/editorial) | | Netherlands Fenitization at the Fen complex, southern Norway PETER KRESTEN 1 and VIORICA MOROGAN = (;eological...1986. Fenitization at the Fen complex, southern Norway. Lithos, 29: 2742. t:enitization in three areas...for fenitization. In the Melteig area, magnesio-arfvedsonite + quartz form the characteristic paragenesis;...nearby intrusions of meltelglte and 1johte. At Holla, nebecklte and (ferro-)rlchtente are conspicuous;...area. At Ulefoss, conditions similar to those at Holla are pictured, except for high aca , a K and aMg |  | | Journal (article/letter/editorial) | | THE CHEMISTRY OF FENITIZATION" EXAMPLES FROM FEN, NORWAY PETER KRESTEN Geological Survey o[ Sweden, S-751...The chemistry of fenitization: Examples from Fen, Norway. Chem. Geol., 68: 329-349. At Fen, two main types...are: albite + magnesio-arfvedsonite + aegirine (low grade), albite + perthite + magnesio-arfvedsonire...gradients, high asi and aK, and moderately high aNa. At Holla (Fig. 2), adjacent to pyroxene silico-sSvite, the...albite + K-feldspar +_ riebeckite and/or magnesio-arfvedsonite (low grade), albite + K-feldspar + aegirine-augite |  | | Book | | analysis and norm of a rock described as an arfvedsonite soda-granite. 7. Chemical analysis and norm...‘biotitebearing hypersthene-amphibole andesite’ and ‘arfvedsonite soda- granite’ respectively. Corundum would...peralkaline granites, commonly riebeckite or arfvedsonite; while ferrohastingsite may occur in alkali...riebeckite, riebeckite and aegirine, aegirine, or arfvedsonite as their mafic constituents. Riebeckite-bearing...former (8). Igneous rocks 22 Good examples of arfvedsonite granite (fig. 3.2A) are to be found at Narsak |
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