Kovács-Pálffy Péter and Velledits Felicitász and Kónya Péter and Földvári Mária and Gálné Solymos Kamilla: Nordstrandite - a new occurrence from Hungary. In: Acta mineralogica-petrographica, (48). pp. 43-48. (2008)
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Abstract
A new occurrence of nordstrandite was described from NE Hungary (Aggtelek-Rudabdnya Mts). This mineral appeared in red clayed matrix of conglomerates accumulated in dolines from Triassic platform limestone. It was investigated by X-ray diffractometry, thermal analyses, SEM-EDS. By X-ray analyses it was possible to separate the nordstrandite from other crystalline modifications of Al(OH)3. Nordstrandite appears as individual or radial crystal aggregates in voids (fissures or cavities). In our case the nordstrandite precipitated from amorphous Al(OH)3 gels, from the alkaline phreatic solutions, infiltrating along the fissures of the clayed matrix of conglomerates. Nordstrandite was most probably formed during Late Miocene-Pleistocene.
Item Type: | Article |
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Heading title: | Articles |
Journal or Publication Title: | Acta mineralogica-petrographica |
Date: | 2008 |
Volume: | 48 |
ISSN: | 0365-8066 |
Page Range: | pp. 43-48 |
Language: | English |
Publisher: | Department of Mineralogy, Geochemistry and Petrology, University of Szeged |
Place of Publication: | Szeged |
Related URLs: | http://acta.bibl.u-szeged.hu/39430/ |
Uncontrolled Keywords: | Földtan, Ásványtan, Kőzettan |
Additional Information: | Bibliogr.: 48. p. ; ill. ; összefoglalás angol nyelven |
Subjects: | 01. Natural sciences 01. Natural sciences > 01.05. Earth and related environmental sciences |
Date Deposited: | 2016. Oct. 17. 09:24 |
Last Modified: | 2022. Aug. 26. 08:11 |
URI: | http://acta.bibl.u-szeged.hu/id/eprint/25151 |
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