Nordstrandite - a new occurrence from Hungary

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...

Teljes leírás

Elmentve itt :
Bibliográfiai részletek
Szerzők: Kovács-Pálffy Péter
Velledits Felicitász
Kónya Péter
Földvári Mária
Gálné Solymos Kamilla
Dokumentumtípus: Cikk
Megjelent: Department of Mineralogy, Geochemistry and Petrology, University of Szeged Szeged 2008
Sorozat:Acta mineralogica-petrographica 48
Kulcsszavak:Földtan, Ásványtan, Kőzettan
Tárgyszavak:
Online Access:http://acta.bibl.u-szeged.hu/25151
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490 0 |a Acta mineralogica-petrographica  |v 48 
520 3 |a 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. 
650 4 |a Természettudományok 
650 4 |a Föld- és kapcsolódó környezettudományok 
695 |a Földtan, Ásványtan, Kőzettan 
700 0 1 |a Velledits Felicitász  |e aut 
700 0 1 |a Kónya Péter  |e aut 
700 0 1 |a Földvári Mária  |e aut 
700 0 2 |a Gálné Solymos Kamilla  |e aut 
856 4 0 |u http://acta.bibl.u-szeged.hu/25151/1/mineralogica_048_043-048.pdf  |z Dokumentum-elérés