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Age of the Raygorodok Au-bearing Gabbro—Monzodiorite Massif (Northern Kazakhstan)

Abstract : Accessory zircon from the polyphase Raygorodok stock (Northern Kazakhstan) has been dated by local U–Pb analysis (SIMS and LA-ICP-MS). This Au-bearing intrusion has been dated to 442–447 Ma, suggesting its emplacement at the very end of the Ordovician and Early Silurian, allowing the stock’s correlation with the Stepnyak Complex of small intrusions. Thus, control of small intrusions of the Stepnyak type over gold mineralization has been corroborated permitting their use as a regional prospecting characteristic.
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https://hal-insu.archives-ouvertes.fr/insu-01868503
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Submitted on : Wednesday, September 5, 2018 - 3:04:36 PM
Last modification on : Tuesday, December 3, 2019 - 1:32:19 PM

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F. Zhimulev, Yu. Kalinin, V.P. Sukhorukov, E. de Pelsmaeker, Marc Poujol, et al.. Age of the Raygorodok Au-bearing Gabbro—Monzodiorite Massif (Northern Kazakhstan). Доклады Академии Наук / Doklady Earth Sciences, MAIK Nauka/Interperiodica, 2018, 481 (2), pp.1033-1036. ⟨10.1134/S1028334X18080238⟩. ⟨insu-01868503⟩

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