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A potassium-rich zeolite in soil development on Danian chalk

Published online by Cambridge University Press:  05 July 2018

P Nørnberg
P Nørnberg*
Affiliation:
Department of Earth Sciences, University of Aarhus, DK-8000 Aarhus C. Denmark
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Abstract

A zeolite found in a soil profile developed in Danian chalk was studied. The results showed that it is a heulandite, temperature-stable to above 600°C with a Si/Al ratio of 2.88 and almost completely K-exchanged. The mineral probably formed under burial diagenetic conditions in the chalk formation.

Keywords

zeoliteheulanditesoilchalkDenmark
Type
Silicate Mineralogy
Information
Mineralogical Magazine , Volume 54 , Issue 374 , March 1990 , pp. 91 - 94
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1990

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