Abstract
The geological structure and gold ore potential of the activized Aldan-Stanovoi and Sino-Korean shields of East Asia are compared. These two regions show similar tendencies in their geological evolution during the Archean, Proterozoic, and Phanerozoic epochs but differ in types of tectonic structure and associations of ore deposits. According to recent studies by Russian and Chinese geologists, the Mesozoic complexes of these shields possess higher gold ore potential than was suggested before. As a result of these studies, the amount of conditions favoring the formation of large gold districts and deposits in the activized shields has strongly increased. Some of these deposits are polychronic and polygenetic (the Bam deposit), others are associated with J-K alkaline magmatism (the Central Aldan district), a third group of deposits are related to granites of the same age (the East Shandong district), and a fourth group includes stratiform deposits in the lower part of the udokan series (Ugui district). The various Mesozoic hydrothermal ore deposits of the northern framework of the Sino-Korean Shield are especially interesting. The study of problems of gold metallogeny was initiated in Russian geological science by Yu.A. Bilibin (1935–1940) in the central part of the Aldan Shield. Some new data concerning the gold ore potential of the Sino-Korean Shield extend our knowledge of gold ore districts in East Asia and make clear the necessity of more careful and systematic study of the gold ore potential of the Aldan-Stanovoi Shield.
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Original Russian Text © V.I. Kazansky, V.M. Yanovsky, 2006, published in Geologiya Rudnykh Mestorozhdenii, 2006, Vol. 48, No. 1, pp. 51–70.
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Kazansky, V.I., Yanovsky, V.M. The correlation of Mesozoic gold ore districts at the Sino-Korean and Aldan-Stanovoi shields. Geol. Ore Deposits 48, 43–60 (2006). https://doi.org/10.1134/S107570150601003X
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DOI: https://doi.org/10.1134/S107570150601003X