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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: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:googlescopusCrystallization conditions of fundamental particles from mixed-layer illite-smectite of bentonites based on isotopic data (K-Ar, Rb-Sr and δ<sup>18</sup>O)
ArticleAbstract: Rb-Sr and oxygen isotope studies, in addition to K-Ar isotopic determinations published previously,Palabras claves:Bentonites, East-Slovak Basin, Fundamental particles, Isotopic tracing, Rb-Sr, δ O 18Autores:Clauer N., Liewig N., Pierret M., Theofilos ToulkeridisFuentes:googlescopusEffect of thermal maturation on the K-Ar, Rb-Sr and REE systematics of an organic-rich New Albany Shale as determined by hydrous pyrolysis
ArticleAbstract: Hydrous-pyrolysis experiments were conducted on an organic-rich Devonian-Mississippian shale, whichPalabras claves:Hydrous pyrolysis, K-Ar, Mineral-organic interactions, New Albany shale, Rb-Sr, REEAutores:Chaudhuri S., Clauer N., Lewan M.D., Theofilos ToulkeridisFuentes:googlescopusDifferentiated hydrothermal and meteoric alterations of the Lueshe carbonatite complex (Democratic Republic of Congo) identified by a REE study combined with a sequential acid-leaching experiment
ArticleAbstract: The behavior of rare-earth elements (REE) during hydrothermal alteration and progressive weatheringPalabras claves:Carbonatite, Hydrothermal alteration, Meteoric weathering, Rare-earth elements, Republic of CongoAutores:Bilal E., Clauer N., Nasraoui M., Theofilos ToulkeridisFuentes:googlescopusFluctuations of Caspian Sea level: Beyond climatic variations?
ArticleAbstract: The continued rising mode, since about 1978, in the level of the Caspian Sea cannot be ascribed to aPalabras claves:Caspian Sea evolution, Hydrogeochemistry, Mass-balance calculation, Sr isotope geochemistryAutores:Blanc G., Chaudhuri S., Clauer N., Theofilos ToulkeridisFuentes:googlescopusInfluence of anthropogenic activity on the lead isotope signature of Thau Lake sediments (southern France): Origin and temporal evolution
ArticleAbstract: Lead concentrations and isotopic compositions were determined on both bulk sediments deposited in thPalabras claves:Autores:Clauer N., Lancelot J.R., Monna F., Theofilos ToulkeridisFuentes: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:googlescopus