Mostrando 10 resultados de: 11
Filtros aplicados
Publisher
Gondwana Research(6)
Precambrian Research(2)
Earth and Planetary Science Letters(1)
South African Journal of Geology(1)
Tectonophysics(1)
Área temáticas
Ciencias de la tierra(7)
Geología, hidrología, meteorología(6)
Bryophyta(1)
Ciencias de la Tierra de América del Norte(1)
Ciencias de la Tierra de América del Sur(1)
Origen
scopus(11)
Detrital and igneous zircon ages for supracrustal rocks of the Kyrgyz Tianshan and palaeogeographic implications
ArticleAbstract: We report detrital zircon ages for Precambrian and early Palaeozoic metasediments from the TianshanPalabras claves:Detrital zircon age, Kyrgyzstan, Palaeo-Asian Ocean, Tarim craton, TianshanAutores:Alexeiev D.V., Alfred Kron̈er, Geng H.Y., Jeffries T., Khudoley A.K., Kiselev V.V., Mikolaichuk A.V., Seltmann R., Semiletkin S.A., Shu L., Wong J., Yamirka Rojas-Agramonte, Yang J.H.Fuentes:scopusGeneration of early Archaean felsic greenstone volcanic rocks through crustal melting in the Kaapvaal, craton, southern Africa
ArticleAbstract: High-potassium felsic volcanic rocks interlayered with basalt and komatiite in early Archaean greensPalabras claves:Barberton greenstone belt, Greenstone evolution, Nd-Hf isotopes, zircon ageAutores:Alfred Kron̈er, Hegner E., Hoffmann J.E., Liu D.Y., Münker C., Wong J., Wu F.Y., Xie H., Yusheng W.Fuentes:scopusEvolution of Cambrian and Early Ordovician arcs in the Kyrgyz North Tianshan: Insights from U-Pb zircon ages and geochemical data
ArticleAbstract: Geochronological, geochemical, and structural studies of magmatic and metamorphic complexes within tPalabras claves:Accretion, ARC, Cambro-Ordovician, CAOB, Ophiolite, TianshanAutores:Alexeiev D.V., Alfred Kron̈er, Degtyarev K.E., Kiselev V.V., Kovach V.P., Mikolaichuk A.V., Tretyakov A.A., Wong J., Yamirka Rojas-AgramonteFuentes:scopusHigh-temperature metamorphism and crustal melting at ca. 3.2 Ga in the eastern Kaapvaal craton, southern Africa
ArticleAbstract: The question of whether high-grade metamorphism and crustal melting in the early Archaean were assocPalabras claves:Grey gneiss, Hf-Nd isotopes, Kaapvaal Craton, Mesoarchaean, P-T reconstruction, Swaziland, zircon ageAutores:Alfred Kron̈er, Hegner E., Hoffmann J.E., Hofmann A., Kasper U., Liu D.Y., Liu X.M., Nagel T.J., Wong J., Xie H.Fuentes:scopusPalaeoproterozoic ancestry of Pan-African high-grade granitoids in southernmost India: Implications for Gondwana reconstructions
ReviewAbstract: SHRIMP dating of magmatic zircons from granitoid gneisses and charnockites of the Trivandrum and NagPalabras claves:Charnockite, Leptynite, Nd-Hf isotopes, Palaeoproterozoic, Zircon geochronologyAutores:Alfred Kron̈er, Geng H.Y., Hegner E., Liu D.Y., Nanda-Kumar V., Santosh M., Shaji E., Shang C.K., Sun M., Wong J., Xie H., Yusheng W.Fuentes:scopusU-Pb zircon geochronology and Hf-Nd isotopic systematics of Wadi Beitan granitoid gneisses, South Eastern Desert, Egypt
ArticleAbstract: Migmatitic granitoid gneisses are widespread in the southern Eastern Desert of Egypt, but their formPalabras claves:Arabian-Nubian Shield, arc magmatism, Lu-Hf and Sm-Nd isotopes, Neoproterozoic, zircon datingAutores:Abu El Ela F.F., Alfred Kron̈er, Ali K.A., Gahlan H.A., Hegner E., Li S.Q., Wong J.Fuentes:scopusZircon ages and Hf isotopic systematics reveal vestiges of Mesoproterozoic to Archaean crust within the late Neoproterozoic-Cambrian high-grade terrain of southernmost India
ArticleAbstract: Late Neoproterozoic to Cambrian ages have been widely recorded from the Southern Granulite Terrain (Palabras claves:Charnockite, Crustal-melt granite, Gondwana, hafnium isotopes, precambrian, Southern India, Sri Lanka, Zircon geochronologyAutores:Alfred Kron̈er, Santosh M., Wong J.Fuentes:scopusZircon ages and Nd-Hf isotopes in UHT granulites of the Ider Complex: A cratonic terrane within the Central Asian Orogenic Belt in NW Mongolia
ArticleAbstract: The Ider Complex of the Tarbagatai Block in northwestern Mongolia is part of a Precambrian microcontPalabras claves:Central Asian Orogenic Belt, granulite, Nd-Hf isotopes, Tarbagatai microcontinent, zircon datingAutores:Alfred Kron̈er, Azimov P., Geng H.Y., Kirnozova T., Kovach V.P., Kozakov I.K., Wong J.Fuentes:scopusZircon ages defining deposition of the palaeoproterozoic soutpansberg group and further evidence for eoarchaean crust in South Africa
ArticleAbstract: The precise age of the volcano-sedimentary Soutpansberg Group, which was deposited upon the Palala sPalabras claves:Kaapvaal Craton, Limpopo Belt, Soutpansberg Group, Zircon geochronologyAutores:Alfred Kron̈er, Brandl G., Geng H.Y., Sun M., Wong J.Fuentes:scopusZircon reconnaissance dating of Proterozoic gneisses along the Kunene River of northwestern Namibia
ArticleAbstract: The northern margin of the Epupa Metamorphic Complex (EMC) along the Kunene River in NW Namibia is oPalabras claves:Congo Craton, Epupa Metamorphic Complex, Namibia, Palaeoproterozoic, zircon datingAutores:Alfred Kron̈er, WILDE S.A., Wong J., Yamirka Rojas-AgramonteFuentes:scopus