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Titolo:
CLASTIC HUNTITE IN UPPER NEOGENE FORMATIONS OF THE KOZANI BASIN, MACEDONIA, NORTHERN GREECE
Autore:
CALVO JP; STAMATAKIS MG; MAGGANAS AC;
Indirizzi:
UNIV COMPLUTENSE MADRID,FAC GEOL,DEPT PETR & GEOQUIM E-28040 MADRID SPAIN UNIV ATHENS,DEPT GEOL GR-15784 ATHENS GREECE
Titolo Testata:
Journal of sedimentary research. Section A, Sedimentary petrology and processes
fascicolo: 4, volume: 65, anno: 1995,
pagine: 627 - 632
SICI:
1073-130X(1995)65:4<627:CHIUNF>2.0.ZU;2-5
Fonte:
ISI
Lingua:
ENG
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
34
Recensione:
Indirizzi per estratti:
Citazione:
J.P. Calvo et al., "CLASTIC HUNTITE IN UPPER NEOGENE FORMATIONS OF THE KOZANI BASIN, MACEDONIA, NORTHERN GREECE", Journal of sedimentary research. Section A, Sedimentary petrology and processes, 65(4), 1995, pp. 627-632

Abstract

An unusual carbonate mineral, huntite (Mg3Ca(CO3)(4)), is present in Upper Neogene lacustrine formations of the Kozani Basin, Northern Greece, This carbonate, either pure or mixed with variable proportions of hydromagnesite and magnesite, forms extensive deposits that accumulated in ponds on a lake margin carbonate flat, Although labile and metastable, huntite also is the main detrital component of fluvial-dominateddelta sequences in some parts of the basin, Clastic huntite is present mainly in foresets, trough cross stratified units, and channel formsin terrigenous lithofacies towards the basal part of del talc assemblages, Detachment of fragments from cohesive huntite pond deposits may have been favored by expansion through wetting rather than by desiccation and further contraction of the chemical sediment. This first documented occurrence of elastic huntite places some uncertainties on the presumed chemical and mechanical instability of huntite under natural conditions.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 28/10/20 alle ore 19:09:57