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Ample Rare Elements: A Geochemical Anomaly in the Earth's Crust at Norra Kärr


Please use this identifier to cite or link to this item: http://hdl.handle.net/2077/69728

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Title: Ample Rare Elements: A Geochemical Anomaly in the Earth's Crust at Norra Kärr
Authors: Sjöqvist, Axel Stig Leo
E-mail: axel.sjoqvist@gu.se
Issue Date: 18-Nov-2021
University: Göteborgs universitet. Naturvetenskapliga fakulteten
Institution: Department of Earth Sciences ; Institutionen för geovetenskaper
Parts of work: 1. Sjöqvist, A.S.L., Cornell, D.H., Andersen, T., Erambert, M., Ek, M., Leijd, M. (2013). Three Compositional Varieties of Rare-Earth Element Ore: Eudialyte-Group Minerals from the Norra Kärr Alkaline Complex, Southern Sweden. Minerals, 3 (1), 94-120.
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2. Sjöqvist, A.S.L., Cornell, D.H., Andersen, T., Christensson, U.I., Berg, J.T. (2017). Magmatic age of rare-earth element and zirconium mineralisation at the Norra Kärr alkaline complex, southern Sweden, determined by U–Pb and Lu–Hf isotope analyses of metasomatic zircon and eudialyte. Lithos, 294–295, 73-86.
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3. Sjöqvist, A.S.L., Zack, T., Honn, D.K., Baxter, E.F. (2020). Modification of a rare-earth element deposit by low-temperature partial melting during metamorphic overprinting: Norra Kärr alkaline complex, southern Sweden. Chemical Geology, 545, 119640.
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4. Hogmalm, K.J., Zack, T., Karlsson, A.K.-O., Sjöqvist, A.S.L., Garbe-Schönberg, D. (2017). In situ Rb–Sr and K–Ca dating by LA-ICP-MS/MS: an evaluation of N2O and SF6 as reaction gases. Journal of Analytical Atomic Spectroscopy, 32 (2), 305-313.
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5. Sjöqvist, A.S.L. (2019). The Tale of Greenlandite: Commemorating the Two-Hundredth Anniversary of Eudialyte (1819–2019). Minerals, 9 (8), 497.
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Date of Defence: 2021-12-10
Disputation: Fredagen den 10 december 2021, kl. 10.00, i Hörsal Guldheden, Institutionen för geovetenskaper, Guldhedsgatan 5C
Degree: Doctor of Philosophy
Publication type: Doctoral thesis
Keywords: rare-earth elements
eudialyte
geochemistry
geochronology
ore geology
Abstract: The Norra Kärr alkaline complex in southern Sweden (58°06’N, 14°34’E) is a classic occurrence of agpaitic rocks, which contains a large mineral deposit of rare-earth elements (REE), Zr, and Nb. The complex consists of different varieties of agpaitic peralkaline nepheline syenite that are defined by the occurrence of Na-rich Zr–Ti silicate minerals that contain volatiles F and Cl, including members of the rinkite, catapleiite, and eudialyte groups. The eudialyte-group minerals in Norra Kärr conta... more
ISBN: 978-91-8009-564-8 (Print)
978-91-8009-565-5 (PDF)
ISSN: 1400-3813
URI: http://hdl.handle.net/2077/69728
Appears in Collections:Doctoral Theses from University of Gothenburg / Doktorsavhandlingar från Göteborgs universitet
Doctoral Theses / Doktorsavhandlingar Institutionen för geovetenskaper

 

 

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