Tretyakov Aa 1

1. First Results of U–Th–Pb (SIMS) Geochronological Study of Zircon from Serpentinized Ultramafic Rocks of the Tekturmas Ophiolite Zone (Central Kazakhstan)
2. Late Silurian Age of Intrusive Rocks of the Bestobe Gold Deposit (Northern Kazakhstan)
3. Early Silurian Age of Skarns of the Ichkeulmes Cu–Au Deposit (Northern Kazakhstan): Results of U–Pb (ID-TIMS) Geochronological Studies of Garnet
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