Mostrando 10 resultados de: 24
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Precambrian Research(13)
American Journal of Science(2)
Journal of Asian Earth Sciences(2)
South African Journal of Geology(2)
Acta Geologica Sinica (English Edition)(1)
Chronology of the oldest supracrustal sequences in the Palaeoarchaean Barberton Greenstone Belt, South Africa and Swaziland
ArticleAbstract: Zircon age data for felsic metavolcanic rocks of the Sandspruit and Theespruit formations, the two oPalabras claves:Felsic volcanism, Greenstone belt, Palaeoarchaean, South Africa, Zircon geochronologyAutores:Alfred Kron̈er, Anhaeusser C.R., Geng H.Y., Hegner E., Hoffmann J.E., Liu D.Y., Wong J., Xie H., Yang J.Fuentes:scopusAncient xenocrystic zircon in young volcanic rocks of the southern Lesser Antilles island arc
ArticleAbstract: The Lesser Antilles arc is one of the best global examples in which to examine the effects of the inPalabras claves:230 Th disequilibrium, Carriacou-Petite Martinique, Crustal assimilation, Grenada, Lesser Antilles, Zircon xenocrystAutores:Alfred Kron̈er, Arculus R., Buhre S., Echeverría C.M., García-Gasco A., Geng H., Jeffries T., Lázaro C., Mertz-Kraus R., Williams I.S., Wong J., Xie H., Yamirka Rojas-AgramonteFuentes:scopusCorrigendum to “Chronology of the oldest supracrustal sequences in the Palaeoarchaean Barberton Greenstone Belt, South Africa and Swaziland” [Precambrian Research 279 (2016) 123–143](S0301926816300663)(10.1016/j.precamres.2016.04.007)
OtherAbstract: The authors regret that the location of sample BA170 was not shown in Table 1 and that the Hf-in-zirPalabras claves:Autores:Alfred Kron̈er, Anhaeusser C.R., Geng H.Y., Hegner E., Hoffmann J.E., Liu D.Y., Wong J., Xie H., Yang J.Fuentes:scopusCa. 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:scopusEarly Neoarchean (~2.7 Ga) tectono-thermal events in the North China Craton: A synthesis
ArticleAbstract: The North China Craton (NCC) is characterized by major ~2.5 Ga tectono-thermal events and is thus diPalabras claves:Hf-in-zircon isotopes, Neoarchean, North China craton, Tectono-thermal event, TTG, zircon datingAutores:Alfred Kron̈er, Dong C., Du L., Liu D.Y., Ma M., Xie H., Xie S., Yang C., Yusheng W.Fuentes:scopus