Mostrando 10 resultados de: 17
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Precambrian Research(7)
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Acta Geologica Sinica (English Edition)(1)
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Geología, hidrología, meteorología(9)
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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: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:scopusGeochronological evidence for Archaean and Palaeoproterozoic polymetamorphism in the Central Zone of the Limpopo Belt, South Africa
ArticleAbstract: The Central Zone of Limpopo Belt is a polymetamorphic and complexly deformed Precambrian terrane whoPalabras claves:Autores:Alfred Kron̈er, Brandl G., Brandt S., Klemd R., Xie H.Fuentes:scopusGranulites and Palaeoproterozoic lower crust of the Baidarik Block, Central Asian Orogenic Belt of NW Mongolia
ArticleAbstract: Mafic granulite xenoliths are hosted by garnetiferous charnockites in the Archaean to PalaeoproterozPalabras claves:Central Asian Orogenic Belt, granulite, Lower crust, Mongolia, Nd-Hf isotopes, zirconAutores:Alfred Kron̈er, Aranovich L., Fuzgan M., Kirnozova T., Kovach V.P., Kozakov I.K., Lee H.Y., Serebryakov N., Tolmacheva E., Wang K.L., Xie H.Fuentes:scopusHigh-temperature metamorphism and crustal melting at ca. 3.2 Ga in the eastern Kaapvaal craton, southern Africa
ArticleAbstract: The question of whether high-grade metamorphism and crustal melting in the early Archaean were assocPalabras claves:Grey gneiss, Hf-Nd isotopes, Kaapvaal Craton, Mesoarchaean, P-T reconstruction, Swaziland, zircon ageAutores:Alfred Kron̈er, Hegner E., Hoffmann J.E., Hofmann A., Kasper U., Liu D.Y., Liu X.M., Nagel T.J., Wong J., Xie H.Fuentes:scopusPalaeoproterozoic ancestry of Pan-African high-grade granitoids in southernmost India: Implications for Gondwana reconstructions
ReviewAbstract: SHRIMP dating of magmatic zircons from granitoid gneisses and charnockites of the Trivandrum and NagPalabras claves:Charnockite, Leptynite, Nd-Hf isotopes, Palaeoproterozoic, Zircon geochronologyAutores:Alfred Kron̈er, Geng H.Y., Hegner E., Liu D.Y., Nanda-Kumar V., Santosh M., Shaji E., Shang C.K., Sun M., Wong J., 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:scopus