Determination of Geological-Geochemical Properties of Magnesite Formations Observed in Kızıldağ Ophiolites (Arsuz-Çevlik (Hatay) Area)

Yıl 2021, Cilt: 36 Sayı: 2, 369 - 380, 16.08.2021

Yusuf Topak

https://doi.org/10.21605/cukurovaumfd.982778

Öz

In this study, the properties of the geochemical characters of economically valuable magnesite (MgCO₃) in the Çevlik (Hatay) region were investigated Magnesites found in the fractured zones of ultramafic rocks has been found to be similar with other associated magnesite deposits (Alps, Carpathians, Pyrenees Greece, Turkey and California/USA) with Co (0.4–3.1 ppm) and Ni (198.3–69 ppm) contents. ¹³CV- PDB (-13.77– -10.43) and ¹⁸OV-PDB (1.71– -0.67) values were used to determine the origin of water, which is effective in magnesite formation. According to the analysis results with low ¹³CV-PDB values, it was determined that the water that is effective in the formation of magnesite is meteoric water circulating in ultramafic rocks. It has been determined that the water effective in the formation of magnesite is meteoric water circulating in ultramafic rocks.

Anahtar Kelimeler

Hatay-Çevlik, Magnesite, Carbon and oxygen isotopes, Geochemistry

Kızıldağ Ofiyolitleri (Arsuz–Çevlik, Hatay) İçinde Gözlenen Manyezit Oluşumlarının Kökeni

Öz

Bu çalışmada Çevlik (Hatay) bölgesinde bulunan ekonomik açıdan değerli manyezitlerinin (MgCO₃) jeokimyasal karekterlerinin özellikleri incelenmiştir. Ultramafik kayaçların kırık zonlarında bulunan manyezitlerin; Co (0,4–3,1 ppm) ve Ni (198,3–69 ppm) içerikleri diğer ultramafiklerle ilişkili manyezit oluşumlarıyla (Alpler, Karpatlar, Pireneler Yunanistan, Türkiye ve Kaliforniya/ABD) benzer olduğu tespit edilmiştir. Manyezit oluşumunda etkili olan suyun kökenini belirlemede ¹³CV-PDB (-13,77–
-10,43) ve ¹⁸OV-PDB (1,71–0,67) değerleri kullanılmıştır ve analiz sonuçlarına göre düşük ¹³CV-PDB değerleri; manyezitlerin oluşumunda etkin olan suyun ultramafik kayalar içinde dolaşan meteorik su olduğu tespit edilmiştir.

Anahtar Kelimeler

Hatay-Çevlik, Manyezit, Karbon ve oksijen izotopları, Jeokimya

Kaynakça

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