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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: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:googlescopusK-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:googlescopusRare-earth elements as tracers of the genetic relationship between smectite and palygorskite in marine phosphorites
ArticleAbstract: Detrital smectite in a shandy claystone and a phosphorite, and authigenic palygorskite in a dolomitiPalabras claves:Autores:Bouabdelli M., Chahi A., Clauer N., Theofilos ToulkeridisFuentes:googlescopusPb-Pb age, stable isotope and chemical composition of Archaean magnesite, Barberton Greenstone Belt, South Africa
ArticleAbstract: Trace-element, carbon, oxygen and lead-isotope analyses were carried out to determine the formationPalabras claves:Autores:Alfred Kron̈er, Clauer N., Peucker-Ehrenbrink B., Schidlowski M., Theofilos Toulkeridis, Todt W.Fuentes:googlescopusSm-Nd dating of Fig Tree clay minerals of the Barberton Greenstone Belt, South Africa
ArticleAbstract: Sm-Nd isotopic data from carbonate-derived clay minerals of the 3.22-3.25 Ga Fig Tree Group, BarbertPalabras claves:Autores:Alfred Kron̈er, Clauer N., Goldstein S.L., Lowe D.R., Theofilos ToulkeridisFuentes:googlescopusTracing the source of gypsum in New Caledonian soils by REE contents and S-Sr isotopic compositions
ArticleAbstract: Gypsum minerals forming in pedogenic environments in New Caledonia were examined for their S and SrPalabras claves:Gypsum, New Caledonia, Rare Earth Elements, S isotopes, Sr isotopesAutores:Clauer N., Podwojewski P., Theofilos ToulkeridisFuentes:googlescopus