Mostrando 10 resultados de: 34
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scopus(34)
A precise UPb zircon age for the Archaean Pongola Supergroup volcanics in Swaziland
ArticleAbstract: UPb dating of single abraded zircon grains from a Pongola Supergroup rhyodacite sample collected inPalabras claves:Autores:Alfred Kron̈er, Hegner E., Hunt P.Fuentes:scopusChronological constraints on the Palaeozoic geodynamic evolution of the Variscan orogenic root system: Moldanubian Zone of the Bohemian Massif
ArticleAbstract:Palabras claves:Autores:Alfred Kron̈er, Hegner E., Konopásek J., Lexa O., Schulmann K., Štípská P., Wendt I.Fuentes: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. 750-1100 Ma magmatic events and Grenville-age deformation in Sri Lanka: Relevance for Rodinia supercontinent formation and dispersal, and Gondwana amalgamation
ArticleAbstract: Large volumes of ∼880-1100 Ma calc-alkaline granitoid rocks in the Wanni and Vijayan crustal provincPalabras claves:Gondwana, High-grade metamorphism, Island-arc formation, Nd isotopes, Rodinia, Zircon geochronologyAutores:Alfred Kron̈er, Hegner E., Kehelpannala K.V.W.Fuentes:scopusAccretionary growth and crust formation in the Central Asian Orogenic Belt and comparison with the Arabian-Nubian shield
Conference ObjectAbstract: The Central Asian Orogenic Belt is one of the largest accretionary terrains on Earth and records a cPalabras claves:Accretion, Arabian-Nubian Shield, Central Asia, Kazakhstan, Mongolia, Zircon geochronologyAutores:Alfred Kron̈er, Badarch G., Demoux A., Gruschka S., Hegner E., Jahn B.m., Khain E.V., Tomurtogoo O., Windley B.F., Wingate M.T.D.Fuentes:scopusAge and evolution of late Mesozoic metamorphic core complexes in southern Siberia and northern Mongolia
ArticleAbstract: Numerous Cretaceous metamorphic core complexes (MCCs) extend from Transbaikalia in Russia to northerPalabras claves:Autores:Alfred Kron̈er, Badarch G., Donskaya T.V., Gladkochub D.P., Hegner E., Mazukabzov A.M., Ponomarchuk V.A., Reichow M.K., Sklyarov E.V., Windley B.F.Fuentes:scopusAge and magmatic history of the Antananarivo block, central Madagascar, as derived from zircon geochronology and ND isotopic systematics
ArticleAbstract: We report single zircon 207PbX/206Pb evaporation and SHRIMP ages, combined with whole-rock Nd isotopPalabras claves:Autores:Alfred Kron̈er, Brewer T.S., Collins A.S., Hegner E., Pidgeon R.T., Razakamanana T., Windley B.F.Fuentes:scopusAge, Nd-Hf isotopes, and geochemistry of the Vijayan Complex of eastern and southern Sri Lanka: A Grenville-age magmatic arc of unknown derivation
ArticleAbstract: The ca. 1.0-1.1 Ga Vijayan Complex (VC) of eastern and southeastern Sri Lanka is one of three high-gPalabras claves:Grenville, Nd-Hf isotopes, Sri Lanka, Vijayan, zircon ageAutores:Alfred Kron̈er, Barth M., Geng H.Y., Hegner E., Kehelpannala K.V.W., Wong J., Yamirka Rojas-Agramonte, Zack T.Fuentes:scopusAge, lithology and structural evolution of the c. 3.53 Ga Theespruit Formation in the Tjakastad area, southwestern Barberton Greenstone Belt, South Africa, with implications for Archaean tectonics
ArticleAbstract: A field and petrographic re-assessment of rocks from the Theespruit Formation near Tjakastad, southwPalabras claves:Archean, Barberton greenstone belt, Tectonics, Theespruit FormationAutores:Alfred Kron̈er, Connelly J., Hegner E., Van Kranendonk M.J.Fuentes:scopusDevonian arc-related magmatism in the Tseel terrane of SW Mongolia: Chronological and geochemical evidence
ArticleAbstract: The Tseel terrane in the Gobi Desert of SW Mongolia consists of a composite crustal segment of imbriPalabras claves:Autores:Alfred Kron̈er, Badarch G., Demoux A., Hegner E.Fuentes:scopus