GEOLOGY, MINERALOGICAL - PETROGRAPHICAL FEATURES, AND ISOTOPE GEOCHEMISTRY (Sr, S, O, H) OF AKKAYA CELESTINE DEPOSIT (ULAŞ, SİVAS-TURKEY)
Abstract
Celestine-bearing evaporite mineralization is widespread in Tertiary evaporitic Sivas Basin. Akkaya Celestine deposit is oldest and the biggest open pit mine in the Sivas area. Akkaya Celestine deposit is Eocene in age and characterized by having massif ore. Based on δD (-88 ‰ ile -117 ‰) and δ18 O (O 16.2 ‰ ile 18.1 ‰) data of evaporite minerals, it can be said that sedimentary water is responsible in the formation of Akkaya Celestine deposit. δ34 S data of evaporites from Akkaya Celestine mine is indicate that origin of S is marine evaporite. High δ34 S values (22.9 ‰ ile 30.6 ‰) of celestine indicate that the dissolved sulphur in basinal brines had undergone partial reduction to sulphide. δ18 O, 87Sr/86Sr (0,707646-0707724-gypsum; 0,707202-0,707391-celestine) with δ34 S suggesting that this evaporite deposit is dominated by a marine signature. All celestine samples have lower 87Sr/86Sr ratios suggest that interstratal brines may have mixed with other circulating fluids (meteoric hydrothermal) that had interacted with the volcanic materials and had undergone Sr isotope exchange.
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References
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Details
Primary Language
Turkish
Subjects
Geological Sciences and Engineering (Other)
Journal Section
Research Article
Publication Date
December 30, 2019
Submission Date
December 9, 2019
Acceptance Date
December 26, 2019
Published in Issue
Year 1970 Volume: 22 Number: 4
Cited By
Economically the Sivas Basin Natural Anhydrite Potential, Reserve Estimation and Geochemical Characteristics, Central Anatolia, Türkiye
Çukurova Üniversitesi Mühendislik Fakültesi Dergisi
https://doi.org/10.21605/cukurovaumfd.1334023