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A mineralogical, chemical and isotopic investigation of shales from the barberton greenstone belt, South Africa, to constrain source materials and post-deposition evolution
ArticleAbstract: Major, trace and rare-earth elements were determined, together with their Rb-Sr, Sm-Nd and Pb-Pb isoPalabras claves:Autores:Alfred Kron̈er, Clauer N., Theofilos Toulkeridis, Todt W.Fuentes:googlescopusCharacterization, 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:googlescopusIsotopic dating of low-grade metamorphic shales in northern Namibia (South West Africa) and implications for the orogenic evolution of the Pan-African Damara-Belt
ArticleAbstract: The fine mineral fractions (< 2 μm) from pelitic sediments of the molasse-type Mulden Group in the PPalabras claves:Autores:Alfred Kron̈er, Clauer N.Fuentes:scopusK-Ar AND Rb-Sr DATING OF NANOMETER-SIZED SMECTITE-RICH MIXED LAYERS FROM BENTONITE BEDS OF THE CAMPOS BASIN (RIO DE JANEIRO STATE, BRAZIL)
ArticleAbstract: K-Ar isotopic dating has been applied to alkali-rich nanometer-sized illite separates of bentonitesPalabras claves:Basin history, Bentonite beds, Brazil), Campos Basin (Rio de Janeiro State, K-Ar and Rb-Sr isotopic dating, Scanning Electron Microscopy, Smectite and illite authigenesis, X-Ray diffractionAutores:Aubert A., Clauer N., Środoń J., Theofilos Toulkeridis, Uysal I.T.Fuentes:googlescopusK-Ar dating of white micas from the Ventersdorp Contact Reef of the Witwatersrand Basin, South Africa: Timing of post-depositional alteration
ArticleAbstract: White micas from metamorphosed and hydrothermally-altered basaltic lavas, conglomerates, quartzitesPalabras claves:Autores:Clauer N., Meyer F.M., Robb L.J., Theofilos Toulkeridis, Zhao B., Zwingmann H.Fuentes:googlescopusRegional magnetic overprinting of Witwatersrand Supergroup sediments, South Africa.
ArticleAbstract: Shales from the late Archean Wiwatersrand Supergroup of South Africa yield stable, well-grouped remaPalabras claves:Autores:Alfred Kron̈er, Clauer N., Layer P.W., McWilliams M.Fuentes:scopusMultimethod (K-Ar, Rb-Sr, Sm-Nd) dating of bentonite minerals from the eastern United States
ArticleAbstract: Isotopic determinations (K-Ar, Rb-Sr and Sm-Nd), and trace and rare-earth elemental analyses were maPalabras claves:Autores:Chaudhuri S., Clauer N., Goldstein S.L., Theofilos ToulkeridisFuentes:scopusSequential leaching of silicified Archaean carbonates: A Rb-Sr, Sm-Nd and Pb-Pb isotopic contribution to their tectonic-thermal history (Kaapvaal Craton, South Africa)
ArticleAbstract: Sequential leaching was completed by successive interactions of ultra-pure H2O, HAc, HCl and HNO3 wiPalabras claves:Barberton greenstone belt, Isochron vs. isotrend arrays, Post-depositional thermal events, Rb-Sr, Sm-Nd and Pb-Pb isotope systematics, REE distribution patterns, Sequential leaching procedureAutores:Alfred Kron̈er, Clauer N., Theofilos Toulkeridis, Uysal I.T.Fuentes:googlescopusSm-Nd, Rb-Sr and Pb-Pb dating of silicic carbonates from the early Archaean Barberton Greenstone Belt, South Africa: Evidence for post-depositional isotopic resetting at low temperature
ArticleAbstract: Two silicic carbonate sequences occurring in the Onverwacht Group (OG) and the overlying Fig Tree GrPalabras claves:Archaean, Barberton greenstone belt, Carbonates, Dating, geochronology, Greenstone belt, Isotopic resetting, South AfricaAutores:Alfred Kron̈er, Clauer N., Goldstein S.L., Schidlowski M., Theofilos Toulkeridis, Todt W.Fuentes:googlescopusStrontium and argon isotopic homogenization of pelitic sediments during low-grade regional metamorphism: The pan-African upper Damara sequence of Northern Namibia (South West Africa)
ArticleAbstract: The fine mineral fractions < 2 μm extracted from pelitic sediments of the Eocambrian upper Damaran MPalabras claves:Autores:Alfred Kron̈er, Clauer N.Fuentes:scopus