Morphotype variation of orthophragminids as a palaeoecological indicator: A case study of Bartonian limestones, Pod Capkami Quarry, Tatra Mts, Poland

• Autorzy: Machaniec E. , Jach R. , Gradziński M.
• Języki publikacji: EN

Abstrakty

EN

Nummulites-Discocyclina bioclastic packstone and Discocyclina rudstone occur in the transgressive sequence of the Middle–Upper Eocene deposits in the Tatra Mts. The succession of the studied facies is a direct response to a rapid environmental change, related to progressive deepening. Facies transition from Nummulites- Discocyclina bioclastic packstone of proximal mid-ramp to Discocylina rudstone of distal mid- and outer-ramp is an exemplary record of a deposition during deepening conditions. Increasing of diversity of the genus Discocyclina, decreasing of diversity of other foraminifera up the section and vertical variation of orthophragminid mor- photypes from the ovate- through saddle- to the disc-shaped tests are related to deepening and shadowing of the depositional environment.

Słowa kluczowe

EN

Larger benthic foraminifera; orthophragminids; morphotype; transgression; palaeoenvironment; Eocene; Tatra Mts.; Western Carpathians

• Wydawca: Polskie Towarzystwo Geologiczne
• Czasopismo: Annales Societatis Geologorum Poloniae
• Rocznik: 2011
• Tom: Vol. 81, No 2
• Strony: 199--205
• Opis fizyczny: Bibliogr. 51 poz., rys., tab., wykr.

Twórcy

autor

Machaniec E.

autor

Jach R.

autor

Gradziński M.

• Institute of Geological Sciences, Jagiellonian University, Oleandry 2a, 30-063 Kraków, Poland,

Bibliografia

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