The Argun terrane is a rock unit in Transbaikalia and Mongolia, located in the Mongol-Okhotsk Fold Belt. It has been suggested that it formed part of the palaeocontinent Amuria.[1] It is connected to the metamorphic complexes of the Siberian craton in the northern region, which is characterized by a narrow strip of mylonites.[1] Dating using detrital zircon sourced from Proterozoic igneous and metamorphic rocks determined that the lower boundary is 549-570 million years old. Subduction-related setting is hinted by the poorly sorted and slightly rounded rock clasts and interlayered gravelites.[2] It hosts multiple hydrothermal metal-bearing Mesozoic deposits like Wunugetushan and Jiawula.[3] The chemical and physical conditions of Mesozoic igneous rocks with metallogenic specialization in Cis-Argun region are similar to those of the Great Kingan Belt.[4]

References

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  1. ^ a b Gordienko, I V; Меtеlkin, D V; Vetluzhskikh, L I; Mikhaltsov, N E; Kulakov, E V (June 2018). "New palaeomagnetic data from Argun terrane. Testing its association with Amuria and the Mongol–Okhotsk Ocean". Geophysical Journal International. 213 (3): 1463–1477. doi:10.1093/gji/ggy057.
  2. ^ Smirnova, Yu. N.; Kurilenkov, A. V.; Khubanov, V. B. (October 2023). "Composition and Age of Rocks of the Provenance Areas for the Lower–Middle Cambrian (?) Terrigenous Sediments of the Ernichnaya Formation of the Argun Massif, Eastern Part of the Central Asian Foldbelt". Stratigraphy and Geological Correlation. 31 (5): 443–458. Bibcode:2023SGC....31..443S. doi:10.1134/S0869593823050076.
  3. ^ Liu, Jun; He, Jun–Cheng; Lai, Chun–Kit; Wang, Xiao–Tong; Li, Tie–Gang (February 2022). "Time and Hf isotopic mapping of Mesozoic igneous rocks in the Argun massif, NE China: Implication for crustal architecture and its control on polymetallic mineralization". Ore Geology Reviews. 141: 104648. Bibcode:2022OGRv..14104648L. doi:10.1016/j.oregeorev.2021.104648.
  4. ^ Petrov, V. A.; Andreeva, O. V.; Poluektov, V. V.; Kovalenko, D. V. (November 2017). "Tectono-Magmatic Cycles and Geodynamic Settings of Ore-Bearing System Formation in the Southern Cis-Argun Region". Geology of Ore Deposits. 59 (6): 431–452. Bibcode:2017GeoOD..59..431P. doi:10.1134/S1075701517060034.