By Meiling Wu
Focusing on problems with whilst and the way Archean crust within the craton was once shaped, this PhD thesis publication offers significant study results of box dependent metamorphic, geochemical and geochronological investigations on Meso-Neoarchean basement rocks from Shandong Province within the japanese Block of the North China Craton. according to significant findings and new information, the writer proposes that the formation and evolution of Archean crust used to be ruled via mantle plumes, now not through plate tectonics. As one of many oldest cratonic blocks on the planet containing rocks as previous as 3.85 billion years, the formation and evolution of North China Craton remains to be debatable. hence this ebook might be of price to an individual drawn to the evolution of cratonic blocks and Precambrian geology.
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Extra info for Ages, Geochemistry and Metamorphism of Neoarchean Basement in Shandong Province: Implications for the Evolution of the North China Craton
Nature, 425, 605–609. , & Powell, R. (1986). Deep crustal metamorphism during continental extension: Modern and ancient examples. Earth and Planetary Science Letters, 79, 151–158. , & Li, J. H. (2006). Extreme crustal metamorphism during Columbia supercontinent assembly: Evidence from North China Craton. Gondwana Research, 10, 256–266. , Li, J. , & Liu, S. J. (2007a). Discovery of sapphirine-bearing Mg-Al granulites in the North China Craton: Implications for Paleoproterozoic ultrahigh-temperature metamorphism.
Lu, L. (1999). Thermal evolution of two textural types of maﬁc granulites in the North China craton: Evidence for both mantle plume and collisional tectonics. Geological Magazine, 136, 223–240. , Wilde, S. , Cawood, P. , & Lu, L. Z. (2000b). Petrology and P–T path of the Fuping maﬁc granulites: Implications for tectonic evolution of the central zone of the North China Craton. Journal of Metamorphic Geology, 18, 375–391. Zhao, G. , & Guo, J. H. (2012). Precambrian Geology of China: Preface. Precambrian Research, 222–223, 1–12.
2 Tectonic subdivision of the North China Craton (after Zhao et al. 2005). AB Anshan–Benxi; EH Eastern Hebei; ES Eastern Shandong; MY Miyun; NL Northern Liaoning; SL Southern Liaoning; SJ Southern Jilin; WL Western Liaoning; WS Western Shandong; TLF Tancheng–Lujiang fault 2005, 2012) and are not repeated here. What this thesis focuses on is the Eastern Block, whose general geology is summarized as follows: The Eastern Block consists of Archean basement rocks and Paleoproterozoic Jiao-Liao-Ji Belt, of which the former exposed as complexes in the Anshan–Benxi, Eastern Hebei, Miyun, Southern Jilin, Northern Liaoning, Southern Liaoning, Western Liaoning, Eastern Shandong, and Western Shandong domains (Fig.
Ages, Geochemistry and Metamorphism of Neoarchean Basement in Shandong Province: Implications for the Evolution of the North China Craton by Meiling Wu