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Abstract
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The Himalayan-Tibetan and Zagros mountain ranges as youngest and most extensive continental-collision orogens in Tethyan domain, hosts many important sediment-hosted Pb-Zn deposits, including the world-class Jinding, Huoshaoyun, Mehdiabad, and Angouran deposits (Reynolds and Large, 2010; Rajabi et al., 2012, 2015; Hou and Zhang, 2015; Song et al., 2017). More than 300 sediment-hosted Pb-Zn deposits and occurrences have been recognized in Iran (Rajabi et al., 2013). Cretaceous and Triassic carbonate succession are the most common host rocks for these deposits, which largely distributed in both the Malayer-Esfahan metallogenic belt (MEMB) and the Yazd-Anarak metallogenic belt (YAMB) (Rajabi et al., 2012). Several Pb-Zn deposits and occurrences such as Mehdiabad, Nakhlak, Hovz-e-sefid, Darreh-Zanjir, Mansurabad, Chah-Kharboze and Chah- Mileh are distinguished at YAMB. The Chah-Mileh deposit is located in 30 km northeast Anarak, 220 km northeast Isfahan, YAMB. There are three Pb-Zn deposits were recognized at the Chah- Mileh district, including Kuh-e Mileh, Mazra-e Deraz, and Seilacho. In this paper, we investigated geology, texture, mineralogy, alterations, fluid inclusions and genesis of the Chah- Mileh Pb-Zn deposit. Current research provides more insights into the understanding of geology and mineralization conditions in the study area with an implication for the future exploration.
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