Mostrando 10 resultados de: 103
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Precambrian Research(14)
Gondwana Research(7)
Lithos(7)
South African Journal of Geology(7)
Chemical Geology(6)
Characterization, provenance, and tectonic setting of Fig Tree greywackes from the Archaean Barberton Greenstone Belt, South Africa
ArticleAbstract: In this study, mineralogical and geochemical data, as well as Sr and Nd isotopic compositions of earPalabras claves:Archaean, Barberton greenstone belt, Greywackes, Provenance, Tectonic settingAutores:Alfred Kron̈er, Clauer N., Reimer T., Theofilos Toulkeridis, Todt W.Fuentes:googlescopusChemical variations in clay minerals of the Archaean Barberton Greenstone Belt (South Africa)
ArticleAbstract: Four rock profiles of shales, carbonates and greywacke-type sediments were sampled from the mafic coPalabras claves:Autores:Alfred Kron̈er, Clauer N., Theofilos ToulkeridisFuentes:googlescopusChronological constraints on the pre-orogenic history, burial and exhumation of deep-seated rocks along the eastern margin of the Variscan orogen, Bohemian Massif, Czech Republic
ReviewAbstract: Key lithological units of the high-grade eastern margin of the Bohemian Massif were dated using thePalabras claves:Autores:Alfred Kron̈er, Hegner E., Konopásek J., Lexa O., Schulmann K., Štípská P., Wendt I.Fuentes:scopusAspects of the Precambrian tectonic evolution of Africa in the early Archaean, early Proterozoic and late Proterozoic
ArticleAbstract: This paper reviews recent progress in the early Archaean of the eastern Kaapvaal craton, the early PPalabras claves:Autores:Alfred Kron̈erFuentes: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:scopusA Middle Silurian-early Devonian magmatic arc in the Qinling Mountains of central China
ArticleAbstract: An early to middle Paleozoic magmatic arc was discovered in the Qinling orogenic belt of central ChiPalabras claves:Autores:Alfred Kron̈er, Lerch M.F., Tod W., Xue F., Zhang G.W.Fuentes:scopusA pseudobasement in the pre-alpine structure of the Peredovoi Range, north Caucasus
ArticleAbstract:Palabras claves:Autores:Alfred Kron̈er, Belousova E.A., Kamzolkin V.A., Konilov A.N., Natapov L.M., Somin M.L.Fuentes:scopusDetrital zircon geochronology of Jurassic sandstones of western Cuba (San Cayetano Formation): Implications for the Jurassic paleogeography of the NW Proto-Caribbean
ArticleAbstract: Clastic sediments of the early (?) to late Jurassic (Oxfordian) San Cayetano Formation of western CuPalabras claves:Autores:Alfred Kron̈er, Garcia-Delgado D.E., García-Gasco A., Liu D.Y., Pindell J., Wang Y., Yamirka Rojas-AgramonteFuentes: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:scopusContrasting textural record of two distinct metamorphic events of similar P-T conditions and different duration
ArticleAbstract: A structural, metamorphic and geochronological study of the Staré Město belt implies the existence oPalabras claves:Cambro-Ordovician and Carboniferous metamorphism, Crystal size distributions, Grain contact frequencies, Quantitative textural analysisAutores:Alfred Kron̈er, Baratoux L., Lexa O., Schulmann K., Štípská P.Fuentes:scopus