Research Information System
4 thInternational Congress of Engineering and Natural Sciences Studies, Ankara, Turkey, 24 - 25 May 2024, pp.263
This study focuses on the metallic mineralization around Akdağmadeni (Ozan Village) located in the
northeast of the Kırşehir Massif in the Central Anatolian Crystalline Complex. The host rocks in which
the mineralization is observed in the study area are marbles, dacites, dacitic tuffs, andesite, andesitic
tuff, agglomerates, basalts and sedimentary rocks. Volcanic rocks consisting of lava flows and
pyroclastic products are mostly rhyolite and anddacite in composition. Andesites crop out in the
northern part of the study area, while dacites and rhyolites are widely spread around the Ozan Village.
The siliceous outcrops formed from intense silicification are also common in these volcanic rocks,
especially in veins. The thickness of quartz/silica veins in this region where the mineralization occurs
varies between 0.5-15 meters. Volcanic rocks have a phyric and porphylic textures. Micro granular
texture and quartz phenocrysts are quite common in dacitic and rhyolitic samples. In the chondritenormalized REE diagram, the volcanic samples form a regular and semi-parallel patterns and there is
common enrichment in LREE with respect to HREE. As a result of geochemical analysis of the major
oxide contents, the mineralization is associated with epithermal deposits. In addition, petrographic
determinations indicate that the ore minerals which are botryoidal formed in cavities and in different
stages. Epigenetic mineralization is accompanied by chlorite-sericite paragenesis. The intense tectonism
in the region facilitated the movement of hydrothermal solutions that caused mineralization within the
host rocks.
Keywords: Metallic mineralization, geochemistry, Ozan, Akdağmadeni, Yozgat