Szczegóły publikacji

Opis bibliograficzny

Organic inclusions evidence, composition, and cathodoluminescence behaviour for the formation conditions of fluorapatite from Anemzi (Morocco) / Magdalena DUMAŃSKA-SŁOWIK, Aleksandra Wesełucha-Birczyńska, Wiesław HEFLIK, Weronika Maksymiuk, Magdalena Sikorska-Jaworowska // Journal of Raman Spectroscopy ; ISSN 0377-0486. — 2018 — vol. 49 iss. 12, s. 2008-2020. — Bibliogr. s. 2019-2020, Abstr.


Autorzy (5)


Słowa kluczowe

nepheline syenitefluorapatiteinclusionhydrocarbonsbituminous matter

Dane bibliometryczne

ID BaDAP119723
Data dodania do BaDAP2019-02-06
Tekst źródłowyURL
DOI10.1002/jrs.5484
Rok publikacji2018
Typ publikacjiartykuł w czasopiśmie
Otwarty dostęptak
Czasopismo/seriaJournal of Raman Spectroscopy

Abstract

Fluorapatite from Anemzi alkaline syenite hosts a wealth of solid organic inclusions, mainly of aliphatic (2,935-2,845 cm(-1)) and aromatic hydrocarbon compositions (3,100-3,000 cm(-1)), as well as traces of bituminous matter showing a low degree of ordering. The tiny inclusions built from oxides of titanium (rutile and anatase) are the only mineral phases found in host crystals. The two-phase, liquid-gas fluid inclusions are composed of aliphatic and aromatic functional groups, revealing bands in the region 1,600-1,200 cm(-1). A slightly chemically varied composition and blue, homogenous cathodoluminescence colours, activated mainly by Ce3+, as well as a small volume of mineral inclusions in apatite, indicate that its crystallization, as influenced by hydrocarbon- and carbonaceous matter-bearing fluids, proceeded under stable environmental conditions. It is probable that these fluids were migrated within the adjacent carbonate rocks found in the vicinity of alkaline syenites, which could be the source of organic components entrapped by apatite. A numerous assemblage of organic inclusions is diagnostic feature for gem quality green apatite from Anemzi.

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