Mostrando 5 resultados de: 5
Filtros aplicados
Subtipo de publicación
Article(5)
Publisher
Precambrian Research(2)
Basin Research(1)
Clays and Clay Minerals(1)
Mineralogy and Petrology(1)
Multimethod (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:scopusIsotopic 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: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:googlescopus