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The role of taphonomic features in the paleoecological interpretation of Eocene carbonates from the Adriatic carbonate platform (PgAdCP) (CROSBI ID 185456)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Ćosović, Vlasta ; Drobne, Katica ; Ibrahimpašić, Haris The role of taphonomic features in the paleoecological interpretation of Eocene carbonates from the Adriatic carbonate platform (PgAdCP) // Neues jahrbuch fur geologie und palaontologie-abhandlungen, 265 (2012), 2; 101-112. doi: 10.1127/0077-7749/2012/0249

Podaci o odgovornosti

Ćosović, Vlasta ; Drobne, Katica ; Ibrahimpašić, Haris

engleski

The role of taphonomic features in the paleoecological interpretation of Eocene carbonates from the Adriatic carbonate platform (PgAdCP)

The preservation conditions of larger benthic foraminifera from the Lutetian Foraminiferal Limestones from Lavsa Island, Kornat Archipelago (Adriatic Sea, Croatia) were examined in order to provide a description of the taphonomic signature and a semi-quantitative estimation of test degradation in thin section analysis. Taphonomic alteration of alveolinid, nummulitid and orthophragminid tests includes borings, encrustation, fragmentation and abrasion. Alveolinid tests displayed the greatest mechanical damage. Furthermore, boring was found more often within orthophragminids and nummulitids than in alveolinids. Encrustation equally affected orthophragminids and alveolinids, although different encrusting organisms were involved. Transport of foraminiferal tests from inner- and middle ramp settings into the surrounding deeper photic, low energy setting resulted in abrasion and fragmentation of Alveolina sp., robust Nummulites sp. and orthophragminids. This study shows that microtaphofacies analysis can be used to refine the architectural model of the Paleogene Adriatic carbonate platform.

Lutetian; Paleogene Adriatic carbonate platform; Adriatic Sea; Larger benthic foraminifera; encrustation; fragmentation; abrasion; bioerosion; taphonomic alternation

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Podaci o izdanju

265 (2)

2012.

101-112

objavljeno

0077-7749

2363-717X

10.1127/0077-7749/2012/0249

Povezanost rada

Geologija

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