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Thermal distinction of HEU-type mineral phases contained in Greek zeolite-rich volcaniclastic tuffs

Nikolaos Kantiranis, Costas Chrissafis, Anestis Filippidis and Konstantinos M. Paraskevopoulos
Thermal distinction of HEU-type mineral phases contained in Greek zeolite-rich volcaniclastic tuffs
European Journal of Mineralogy (August 2006) 18 (4): 509-516

Abstract

The study is reported of ten zeolite-bearing rocks rich in HEU-type zeolites from Evros District and Samos Island, Greece. The samples were heated at 450 degrees C for 8 h and the subsequent reductions in the intensity and peak area of the (020) reflection was measured; EM and TG analyses were also used. The results provided an explicit view for the HEU-type phases that exist in each sample and led to their regrouping in three different groups: group I where the main phase of HEU-type zeolite determined was clinoptilolite, group II with intermediate characteristics and group III where heulandite is the main HEU-type zeolite. The combined study of the XRD results for initial and thermally treated samples, compared with the SEM-EDS results and the thermal study of the mass recovery during the cooling stage of the thermal analysis, consitute a useful tool for the classification of the HEU-type zeolites.


ISSN: 0935-1221
EISSN: 1617-4011
Serial Title: European Journal of Mineralogy
Serial Volume: 18
Serial Issue: 4
Title: Thermal distinction of HEU-type mineral phases contained in Greek zeolite-rich volcaniclastic tuffs
Affiliation: Aristotle University of Thessaloniki, Department of Mineralogy-Petrology-Economic Geology, Salonika, Greece
Pages: 509-516
Published: 200608
Text Language: English
Publisher: Schweizerbart'sche Verlagsbuchhandlung (Naegele u. Obermiller), Stuttgart, Federal Republic of Germany
References: 42
Accession Number: 2006-069708
Categories: Mineralogy of silicates
Document Type: Serial
Bibliographic Level: Analytic
Illustration Description: illus. incl. 3 tables, anals.
N37°37'00" - N37°47'60", E26°34'60" - E27°04'60"
Country of Publication: Germany
Secondary Affiliation: GeoRef, Copyright 2017, American Geosciences Institute. Reference includes data from Mineralogical Abstracts, United KingdomTwickenhamUKUnited Kingdom
Update Code: 200640
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