Documentos de Hegner E.

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Mostrando 10 resultados de: 15

A precise UPb zircon age for the Archaean Pongola Supergroup volcanics in Swaziland

Article

Abstract: UPb dating of single abraded zircon grains from a Pongola Supergroup rhyodacite sample collected in

Palabras claves:

Autores:

Alfred Kron̈er, Hegner E., Hunt P.

Fuentes:

scopus

Chronological constraints on the pre-orogenic history, burial and exhumation of deep-seated rocks along the eastern margin of the Variscan orogen, Bohemian Massif, Czech Republic

Review

Abstract: Key lithological units of the high-grade eastern margin of the Bohemian Massif were dated using the

Palabras claves:

Autores:

Alfred Kron̈er, Hegner E., Konopásek J., Lexa O., Schulmann K., Štípská P., Wendt I.

Fuentes:

scopus

Chronology of the oldest supracrustal sequences in the Palaeoarchaean Barberton Greenstone Belt, South Africa and Swaziland

Article

Abstract: Zircon age data for felsic metavolcanic rocks of the Sandspruit and Theespruit formations, the two o

Palabras claves:

Felsic volcanism, Greenstone belt, Palaeoarchaean, South Africa, Zircon geochronology

Autores:

Alfred Kron̈er, Anhaeusser C.R., Geng H.Y., Hegner E., Hoffmann J.E., Liu D.Y., Wong J., Xie H., Yang J.

Fuentes:

scopus

Corrigendum to “Chronology of the oldest supracrustal sequences in the Palaeoarchaean Barberton Greenstone Belt, South Africa and Swaziland” [Precambrian Research 279 (2016) 123–143](S0301926816300663)(10.1016/j.precamres.2016.04.007)

Other

Abstract: The authors regret that the location of sample BA170 was not shown in Table 1 and that the Hf-in-zir

Palabras claves:

Autores:

Alfred Kron̈er, Anhaeusser C.R., Geng H.Y., Hegner E., Hoffmann J.E., Liu D.Y., Wong J., Xie H., Yang J.

Fuentes:

scopus

Age and magmatic history of the Antananarivo block, central Madagascar, as derived from zircon geochronology and ND isotopic systematics

Article

Abstract: We report single zircon 207PbX/206Pb evaporation and SHRIMP ages, combined with whole-rock Nd isotop

Palabras claves:

Autores:

Alfred Kron̈er, Brewer T.S., Collins A.S., Hegner E., Pidgeon R.T., Razakamanana T., Windley B.F.

Fuentes:

scopus

Geochronology and Nd-Sr systematics of Lusatian granitoids: significance for the evolution of the Variscan orogen in east-central Europe

Article

Abstract: A variety of pre-Variscan granitoids and two Variscan monzogranites occurring in the central and wes

Palabras claves:

Isotopic systematics, Lusatian granitoids, Variscan terranes, Zircon geochronology

Autores:

Alfred Kron̈er, Bielicki K.H., Eidam J., Haase G., Hammer J., Hegner E., Krauss M.

Fuentes:

scopus

The East African Orogen: New Zircon and Nd Ages and Implications for Rodinia and Gondwana Supercontinent Formation and Dispersal

Alfred Kron̈er, Collins A.S., Hegner E., Kehelpannala K.V.W., Muhongo S., Willner A.P.

Fuentes:

scopus

The oldest part of the Barberton granitoid-greenstone terrain, South Africa: Evidence for crust formation between 3.5 and 3.7 Ga

Article

Abstract: Many stratigraphic and age relationships in the southern part of the Barberton greenstone belt (BGB)

Palabras claves:

Autores:

Alfred Kron̈er, Byerly G.R., Hegner E., Wendt J.I.

Fuentes:

scopus

U-Pb zircon geochronology and Hf-Nd isotopic systematics of Wadi Beitan granitoid gneisses, South Eastern Desert, Egypt

Article

Abstract: Migmatitic granitoid gneisses are widespread in the southern Eastern Desert of Egypt, but their form

Palabras claves:

Arabian-Nubian Shield, arc magmatism, Lu-Hf and Sm-Nd isotopes, Neoproterozoic, zircon dating

Autores:

Abu El Ela F.F., Alfred Kron̈er, Ali K.A., Gahlan H.A., Hegner E., Li S.Q., Wong J.

Fuentes:

scopus

Single zircon ages and whole-rock Nd isotopic systematics of early palaeozoic granitoid gneissess from the Czech and Polish Sudetes “jizerske hory, krkonoše mountains and orlice-sněžnik complex”

Article

Abstract: Granitoid orthogneisses make up the pre-dominant rock type in the West Sudetes from Jizerske hory in

Palabras claves:

Avalonia, geochronology, Granitoid gneisses, Nd isotopes, Sudetes, zircon

Autores:

Alfred Kron̈er, Hegner E., Jaeckel P., Opletal M.

Fuentes:

scopus

Mostrando 10 resultados de: 15

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Palabras Claves

A precise UPb zircon age for the Archaean Pongola Supergroup volcanics in Swaziland

Chronological constraints on the pre-orogenic history, burial and exhumation of deep-seated rocks along the eastern margin of the Variscan orogen, Bohemian Massif, Czech Republic

Chronology of the oldest supracrustal sequences in the Palaeoarchaean Barberton Greenstone Belt, South Africa and Swaziland

Corrigendum to “Chronology of the oldest supracrustal sequences in the Palaeoarchaean Barberton Greenstone Belt, South Africa and Swaziland” [Precambrian Research 279 (2016) 123–143](S0301926816300663)(10.1016/j.precamres.2016.04.007)

Age and magmatic history of the Antananarivo block, central Madagascar, as derived from zircon geochronology and ND isotopic systematics

Geochronology and Nd-Sr systematics of Lusatian granitoids: significance for the evolution of the Variscan orogen in east-central Europe

The East African Orogen: New Zircon and Nd Ages and Implications for Rodinia and Gondwana Supercontinent Formation and Dispersal

The oldest part of the Barberton granitoid-greenstone terrain, South Africa: Evidence for crust formation between 3.5 and 3.7 Ga

U-Pb zircon geochronology and Hf-Nd isotopic systematics of Wadi Beitan granitoid gneisses, South Eastern Desert, Egypt

Single zircon ages and whole-rock Nd isotopic systematics of early palaeozoic granitoid gneissess from the Czech and Polish Sudetes “jizerske hory, krkonoše mountains and orlice-sněžnik complex”