Mostrando 10 resultados de: 17
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scopus(17)
Ca. 2.9Ga granitoid magmatism in eastern Shandong, North China Craton: Zircon dating, Hf-in-zircon isotopic analysis and whole-rock geochemistry
ArticleAbstract: Eastern Shandong is one of the important early Precambrian areas in the North China Craton, where exPalabras claves:Eastern Shandong, Hf isotope, Juvenile crustal addition, Mesoarchean, TTG, zircon datingAutores:Alfred Kron̈er, Dong C., Liu D.Y., Liu S., Ma M., Wang S., Xie H., Xie S., Yusheng W., Zhou H.Fuentes:scopusDating of zircon from high-grade rocks: Which is the most reliable method?
ArticleAbstract: Magmatic zircon in high-grade metamorphic rocks is often characterized by complex textures as revealPalabras claves:High-grade rock, LA-ICP-MS, SHRIMP, zircon datingAutores:Alfred Kron̈er, Liu D.Y., Liu X.M., Yusheng W.Fuentes:scopusGeneration of early Archaean felsic greenstone volcanic rocks through crustal melting in the Kaapvaal, craton, southern Africa
ArticleAbstract: High-potassium felsic volcanic rocks interlayered with basalt and komatiite in early Archaean greensPalabras claves:Barberton greenstone belt, Greenstone evolution, Nd-Hf isotopes, zircon ageAutores:Alfred Kron̈er, Hegner E., Hoffmann J.E., Liu D.Y., Münker C., Wong J., Wu F.Y., Xie H., Yusheng W.Fuentes:scopusGeneration of early Archaean grey gneisses through melting of older crust in the eastern Kaapvaal craton, southern Africa
ArticleAbstract: We report zircon ages, Hf-in-zircon isotopes as well as whole-rock geochemistry and Hf-Nd isotopic sPalabras claves:Grey gneiss, Hf-Nd isotopes, Kaapvaal Craton, Palaeoarchaean, Swaziland, zircon ageAutores:Alfred Kron̈er, Hegner E., Hoffmann J.E., Hofmann A., Liu D.Y., Münker C., Xie H., Yang J.H., Yusheng W.Fuentes:scopusGeochemistry and SHRIMP U-Pb Zircon Dating of Mafic Rocks North of Zunhua City, Eastern Hebei, North China Craton: Paleoproterozoic Gabbro rather than Neoarchean Ophiolite
ArticleAbstract: Abundant mafic-ultramafic blocks and dikes occur in the area north of Zunhua City, eastern Hebei ProPalabras claves:metagabbro, North China craton, Ophiolite, SHRIMP, zircon dating, ZunhuaAutores:Alfred Kron̈er, Bai W., Dong C., Liu D.Y., Liu S., Xie H., Yusheng W.Fuentes:scopusIs the ordos block archean or paleoproterozoic in age? implications for the precambrian evolution of the north China craton
ArticleAbstract: The Ordos Block is a large but poorly exposed crustal segment in the western part of the North ChinaPalabras claves:Early Precambrian, Hf analysis, North China craton, Ordos basement, zircon datingAutores:Alfred Kron̈er, Dong C., Du L., Geng Y., Liu D.Y., Liu S., Ma M., Sun L., Wang Z., WILDE S.A., Xie H., Yang H., Yusheng W.Fuentes:scopusTwo orogenic events separated by 2.6 Ga mafic dykes in the Central Zone, Limpopo Belt, southern Africa
ArticleAbstract: The Limpopo Belt of southern Africa is a typical early Precambrian orogen that experienced two high-Palabras claves:Limpopo Belt, Mafic dyke, Orogenic event, SHRIMP, zircon datingAutores:Alfred Kron̈er, Brandl G., Xie H., Yusheng W.Fuentes:scopusShrimp zircon ages and petrology of lower crustal granulite xenoliths from the letseng-la-terae kimberlite, lesotho: Further evidence for a namaqua-natal connection
ArticleAbstract: Recrystallized zircons extracted from intermediate granulites of the Letseng-la-Terae Diamond Mine iPalabras claves:Autores:Alfred Kron̈er, Jacob D.E., Sommer H., Xie H., Yusheng W.Fuentes:scopusZircon M257 - A homogeneous natural reference material for the ion microprobe U-Pb analysis of zircon
Conference ObjectAbstract: We introduce and propose zircon M257 as a future reference material for the determination of zirconPalabras claves:geochronology, M257, reference material, Secondary ion mass spectrometry, SIMS, U-Pb, zirconAutores:Alfred Kron̈er, Corfu F., Dörr W., Frei D., Götze J., Häger T., Hofmeister W., Kamo S.L., Kennedy A.K., Košler J., Kronz A., Martinson J.M., Nasdala L., Norberg N., Reiners P.W., Valley J.W., Yusheng W.Fuentes:scopusZircon ages and geochemistry of late neoarchean syenogranites in the North China craton: A review
ArticleAbstract: At the end of the Neoarchean continental evolution, voluminous syenogranites were emplaced in the NoPalabras claves:Nd-Hf isotopes, Neoarchean, North China craton, SHRIMP zircon dating, SyenograniteAutores:Alfred Kron̈er, Dong C., Du L., Liu D.Y., Ma M., Wang W., Xie H., Yang C., Yusheng W.Fuentes:scopus