Thermodynamic modelling of carbonate-silicate rocks from the Sakar unit, Sakar-Strandzha zone, SE Bulgaria | Zendy

Tzvetomila Vladinova | Zendy; Milena Georgieva | Zendy

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Thermodynamic modelling of carbonate-silicate rocks from the Sakar unit, Sakar-Strandzha zone, SE Bulgaria

Author(s) -

Tzvetomila Vladinova,

Milena Georgieva

Publication year - 2021

Publication title -

review of the bulgarian geological society

Language(s) - English

Resource type - Journals

eISSN - 1314-8680

pISSN - 0007-3938

DOI - 10.52215/rev.bgs.2021.82.3.76

Subject(s) - greenschist , metamorphic rock , metamorphic facies , geology , geochemistry , silicate , carbonate , facies , carbonate rock , petrology , mineralogy , geomorphology , sedimentary rock , materials science , chemistry , metallurgy , organic chemistry , structural basin

The P-T evolution of carbonate-bearing metasedimentary rocks from the Sakar unit (Sakar-Strandzha Zone, SE Bulgaria) has been obtained using Perple_X modelling and conventional geothermometry. The metamorphic conditions vary from greenschist facies (250–350 °C/2–4 kbar) in the Klokotnitsa village area to amphibolite facies (550–650 °C/4.5–6.5 kbar) in the Topolovgrad town area, confirming a general increase of the metamorphic grade at east-west direction.

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