Mostrando 10 resultados de: 19
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Precambrian Research(4)
Contributions to Mineralogy and Petrology(2)
Journal of the Geological Society(2)
Chemical Geology(1)
Geologische Rundschau(1)
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:googlescopusA 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:googlescopusCoupled evolution of back-arc and island arc-like mafic crust in the late-Neoproterozoic Agardagh Tes-Chem ophiolite, Central Asia: Evidence from trace element and Sr-Nd-Pb isotope data
ArticleAbstract: We report major-element, trace-element and isotopic data of volcanic rocks from the late-NeoproterozPalabras claves:Autores:Alfred Kron̈er, Jochum K., Kozakov I.K., Pfander J., Todt W.Fuentes:scopusCrustal age domains in the Kibaran belt of SW-Uganda: Combined zircon geochronology and Sm-Nd isotopic investigation
ArticleAbstract: Combination of geochemistry, Nd mean crustal residence ages and single zircon ages reveal distinct pPalabras claves:Granites, Kibaran, Suspect terranes, Uganda, zirconAutores:Buchwaldt R., Theofilos Toulkeridis, Todt W., Ucakuwun E.K.Fuentes:googlescopusDating of late Proterozoic ophiolites in Egypt and the Sudan using the single grain zircon evaporation technique
ArticleAbstract: Zircons from gabbro and plagiogranite in late Proterozoic ophiolites of the Arabian-Nubian Shield (APalabras claves:Autores:Alfred Kron̈er, Hussein I.M., Mansour M., Rashwan A.A., Todt W.Fuentes:scopusAge of Palaeozoic granites and metamorphism in the Tuvino-Mongolian Massif of the Central Asian Mobile Belt: Loss of a Precambrian microcontinent
ArticleAbstract: The Tuvino-Mongolian Massif (TMM) was previously interpreted as a Precambrian block within the CentrPalabras claves:Central Asian Mobile Belt, Granitoids, High-grade metamorphism, Siberia, Tuvino-Mongolian Massif, U-Pb zircon geochronologyAutores:Alfred Kron̈er, Bibikova E.V., Kotov A., Kovach V.P., Kozakov I.K., Nutman A., Salnikova E.B., Todt W., Yakovleva S.Fuentes:scopusEvidence from zircon dating for existence of approximately 2.1 Ga old crystalline basement in southern Bohemia, Czech Republic
ArticleAbstract: Zircon ages are reported for three Moldanubian amphibolite grade orthogneisses from the southern BohPalabras claves:Bohemian Massif, Czech Republic, Orthogneisses, Sphene dating, zircon datingAutores:Alfred Kron̈er, Fiala J., Todt W., Wendt J.I.Fuentes:scopusEarly Paleozoic Island arc accretion to the North China craton and the Shang Dan fault zone: A major paleoplate boundary in eastern Asia
ArticleAbstract: The early Paleozoic tectonic evolution of part of the Qinling-Dabie-Shandong orogenic belt is reconsPalabras claves:Autores:Alfred Kron̈er, Lerch M.F., Todt W., Xue F.Fuentes:scopusPb-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:googlescopusPetrology, geochronology, and tectonic implications of c. 500 Ma metamorphic and igneous rocks along the northern margin of the Central Asian Orogen (Olkhon terrane, Lake Baikal, Siberia)
ArticleAbstract: A significant portion of the continental crust of northern Eurasia is thought to have formed duringPalabras claves:Autores:Alfred Kron̈er, Donskaya T.V., Fedorovsky V.S., Gladkochub D.P., Mazukabzov A.M., Pisarevsky S.A., Poller U., Todt W., Wingate M.T.D.Fuentes:scopus