Geochemical features of rare earth elements in the dolostones of the Hacıalabaz formation (late jurassic) from Hadım (Konya, Turkey) area
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2017
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WMESS
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info:eu-repo/semantics/openAccess
Attribution-NonCommercial-ShareAlike 3.0 United States
Attribution-NonCommercial-ShareAlike 3.0 United States
Özet
Purpose of review is to commentate the source of REE and anomalies (e.g. Ce, Eu, and Y) of the Hacialabaz
Formation dolomites. The Taurus Mountains represent the Alpine-Himalayan system in the Eastern
Mediterranean, which formed a stable northern margin of Gondwanaland during the Paleozoic to Late Mesozoic.
The Hacialabaz Formation dolomites were displayed to be mostly disordered and lesser ordered and nonstoichiometric and Ca-rich, and they are mostly locally developed in the lower sections of the Hacialabaz
Formation. The Post Archaean average Australian Sedimentary rocks [PAAS]-normalized REE+Y values of the
dolomite sample groups show patterns characterized a clear depletion in all REE species. The total REE content
of the dolomite displays a strong positive correlation with SiO2, Al2O3, Fe2O3, Na2O, K2O, TiO2 and P2O5 and
negative correlation with MgO and CaO. The total REE content of the dolomite displays a strong positive
correlation with Ba and Rb and weakly positive correlation with Sr and Zr. The total rare earth element contents
are positively correlated to the Sr and ?18O contents in the Hacialabaz Formation dolomites is denoted to a
decrease in the salinity of dolomitizing fluids. Also between Sr and ?18O content with total rare earth element of
the Hacialabaz Formation dolomites are observed a weakly positive relationship (Fig. 53,59). On account of,
reduced rare earth element, Sr and ?18O contents in our samples is expressed a decrease in the salinity of
dolomitizing fluids, i.e. the meteoric freshwater mixing to the basinal brines. Hacialabaz Formation dolomites were
formed as early diagenetic at the low temperatures in the mixing-zone near-surface burial environments, and as
late diagenetic from basinal brines at the higher temperatures in the shallow to medium burial environment.
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Dinç, S., Özkan, A.M., Karadağ, M.M., Küpeli, Ş. (2017). Geochemical features of rare earth elements in the dolostones of the Hacıalabaz formation (late jurassic) from Hadım (Konya, Turkey) area. World Multidisciplinary Earth Sciences Symposium (WMESS 2017), 11-15 September 2017, Prague, Czech Republic
