Abstract
Middle Archaean Nûk gneisses in the Godthåbsfjord-Fiskefjord area in southern West Greenland contain a gradational retrogressive metamorphic boundary between granulite and amphibolite facies gneisses. Movement of hydrous fluids during retrogression in this boundary zone transported and homogenised mobile major and trace elements, upset Rb-Sr and U-Pb isotope systems, contaminated the retrograded rocks with early Archaean lead, and led to formation of anatectic granites.
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© 1989 Kluwer Academic Publishers
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Garde, A.A. (1989). Retrogression and Fluid Movement Across a Granulite-Amphibolite Facies Boundary in Middle Archaean Nuk Gneisses, Fiskefjord, Southern West Greenland. In: Bridgwater, D. (eds) Fluid Movements — Element Transport and the Composition of the Deep Crust. NATO ASI Series, vol 281. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-0991-5_13
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DOI: https://doi.org/10.1007/978-94-009-0991-5_13
Publisher Name: Springer, Dordrecht
Print ISBN: 978-94-010-6935-9
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