Book ChapterDOI
Rare earth elements in sedimentary rocks; influence of provenance and sedimentary processes
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This article is published in Reviews in Mineralogy & Geochemistry.The article was published on 1989-01-01. It has received 2776 citations till now. The article focuses on the topics: Basement (geology) & Sedimentology.read more
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Journal ArticleDOI
The geochemical evolution of the continental crust
TL;DR: A survey of the dimensions and composition of the present continental crust is given in this paper, where it is concluded that at least 60% of the crust was emplaced by the late Archean (ca. 2.7 eons).
Journal ArticleDOI
Relationships between the trace element composition of sedimentary rocks and upper continental crust
TL;DR: In this paper, the upper crustal abundances of several trace elements, including rare earth elements (REEs), were compared to the upper continental crust of the United States, and the results showed that no revisions are needed for these elements.
Journal ArticleDOI
Distribution of yttrium and rare-earth elements in the Penge and Kuruman iron-formations, Transvaal Supergroup, South Africa
Michael Bau,Peter Dulski +1 more
TL;DR: In this article, a sequence of eleven adjacent samples (each comprising less than ten microbands) from the Kuruman and Penge Iron-Formations (IFs) in the Late-Archaean to Early-Palaeoproterozoic Transvaal Supergroup display pronounced heavy rare-earth element enrichment, and positive anomalies of LaSN, EuSN, GdSN, YSN, ErSN, but neither positive nor negative CeSN anomalies.
Journal ArticleDOI
The influence of sediment recycling and basement composition on evolution of mudrock chemistry in the southwestern United States
TL;DR: In this paper, the authors report systematic changes in mudrock composition through time on a single con- tinental cmstal block and show that the changes reflect both sediment recycling processes and changes through time in the composition of crystalline material being added to the sedimentary system and are related to tectonic evolution as the block matures from a series of accreted arc terranes to a stable craton.
Journal ArticleDOI
Rare-earth element mobility during hydrothermal and metamorphic fluid-rock interaction and the significance of the oxidation state of europium
TL;DR: In this paper, the Eu 3+ Eu 2+ redox boundary for temperatures up to 600°C and pressures up to 4000 bar has been calculated using the revised HKF model for the prediction of the molal Gibbs free energy of formation at elevated pressures and temperatures.
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