Search Results - "Claesson, S."

U–Pb zircon ages from a Devonian carbonatite dyke, Kola peninsula, Russia: a record of geological evolution from the Archaean to the Palaeozoic by Claesson, S, Vetrin, V, Bayanova, T, Downes, H

“…Zircon from a xenolite-rich carbonatite dyke on Telyachi island, near Kandalaksha on the Kola Peninsula, northwest Russia, have been analysed for U–Th–Pb to…”
Get full text

New Data on the Paleoproterozoic Age of Metamorphism in the Yelabuga Deformation Zone of Volgo-Uralia, East European Craton by Fedotova, A. A., Bogdanova, S. V., Claesson, S., Anosova, M. O., Postnikov, A. V., Fugzan, M. M., Kirnozova, T. I.

“…This data on the age of metamorphism of rocks of the Yelabuga zone and the geochronological data on detrital zircon from paragneisses of the same zone are…”
Get full text

Ion microprobe U-Pb zircon geochronology and correlation of Archaean gneisses from the Lewisian Complex of Gruinard Bay, northwestern Scotland by Whitehouse, M.J., Claesson, S., Sunde, T., Vestin, J.

“…We present ion microprobe U-Pb zircon geochronology for three samples from the late Archaean Lewisian gneiss complex at Gruinard Bay, northwestern Scotland, in…”
Get full text

The temporal evolution of sanukitoids in the Karelian Craton, Baltic Shield: an ion microprobe U–Th–Pb isotopic study of zircons by Bibikova, E.V., Petrova, A., Claesson, S.

“…The U–Th–Pb isotopic systematics of zircons from six sanukitoid intrusions in the Karelian Craton has been investigated, using the secondary ion mass…”
Get full text

Early crust of the Podolia Domain of the Ukrainian Shield: Isotopic age of terrigenous zircons from quartzites of the Bug Group by Bibikova, E. V., Fedotova, A. A., Claesson, S., Stepanyuk, L. M.

“…Detrital zircons of the ancient metasedimentary rocks bear important information about the early crust of the Earth. In this work, the early crust in the west…”
Get full text

Isotopic evidence for Palaeoproterozoic accretion in the basement of the East European Craton by Claesson, S., Bogdanova, S.V., Bibikova, E.V., Gorbatschev, R.

Get full text

The early crust of the Volgo-Uralian segment of the East European Craton: Isotope-geochronological zirconology of metasedimentary rocks of the Bolshecheremshanskaya Formation and their Sm-Nd model ages by Bibikova, E. V., Bogdanova, S. V., Postnikov, A. V., Fedotova, A. A., Claesson, S., Kirnozova, T. I., Fugzan, M. M., Popova, L. P.

“…We present the results of isotope-geochronological study of metasedimentary rocks of the Bolshecheremshanskaya Formation of the Volgo-Uralian segment of the…”
Get full text

Isotope-geochronological (U-Th-Pb, Lu-Hf) study of the zircons from the archean magmatic and metasedimentary rocks of the Podolia domain, Ukrainian shield by Bibikova, E. V., Claesson, S., Fedotova, A. A., Stepanyuk, L. M., Shumlyansky, L. V., Kirnozova, T. I., Fugzan, M. M., Il’insky, L. S.

“…Zircons from the oldest magmatic and metasedimentary rocks of the Podolia domain of the Ukrainian shield were studied and dated by U-Pb method on a NORDSIM…”
Get full text

Origins and ages of Proterozoic granitoids in the Bothnian Basin, central Sweden; isotopic and geochemical constraints by Claesson, S., Lundqvist, T.

“…The Paleoproterozoic Bothnian Basin in central Sweden and south-central Finland is dominated by a 10 km thick sequence of metasediments, mainly metaturbidites…”
Get full text

The early crust beneath the Azov Domain of the Ukrainian Shield: Isotopic-geochronological and geochemical investigations of detrital zircons from metasedimentary rocks of the Fedorovka structure by Bibikova, E. V., Fedotova, A. A., Claesson, S., Artemenko, G. V., Anosova, M. O.

“…The results of isotopic-geochronological investigations of detrital zircons from metasediments of the Fedorovka structure in the Azov Domain of the Ukrainian…”
Get full text

Terrigenous zircon of archean greenstone belts as a source of information on the early earth’s crust: Azov and Dnieper domains, Ukrainian shield by Bibikova, E. V., Claesson, S., Fedotova, A. A., Artemenko, G. V., Il’inskii, L.

“…Zircons from the metasedimentary rocks of the Mesoarchean greenstone belts of the Azov and Middle Dnieper blocks of the Ukrainian shield were studied and dated…”
Get full text

Isotopic evidence for the Precambrian provenance and Caledonian metamorphism of high grade paragneisses from the Seve Nappes, Scandinavian Caledonides. 2. Ion microprobe zircon U-Th-Pb by WILLIAMS, I. S, CLAESSON, S

Get full text

Late Archean magmatic complexes of the Azov terrane, Ukrainian Shield: Geological setting, isotopic age, and sources of material by Bibikova, E. V., Lobach-Zhuchenko, S. B., Artemenko, G. V., Claesson, S., Kovalenko, A. V., Krylov, I. N.

“…Geochemical, isotopic-geochemical, and geochronological information was obtained on magmatic rocks from the Saltychan anticlinorium in the Azov domain of the…”
Get full text

Numerical ages of volcanic rocks and the earliest faunal zone within the late Precambrian of East Poland by Compston, W, Sambridge, M. S, Reinfrank, R. F, Moczydlowska, M, Vidal, G, Claesson, S

“…U-Pb age determinations by ion microprobe on zircons from two tuff samples within the Neoproterozoic-early Cambrian succession in E Poland are presented. One…”
Get full text

Sm–Nd age of the Garhwal–Bhowali volcanics, western Himalayas: vestiges of the Late Archaean Rampur flood basalt Province of the northern Indian Craton by Bhat, M.I, Claesson, S, Dubey, A.K, Pande, Kanchan

“…Whole rock Sm–Nd isotope dating of the Garhwal and Bhowali mafic volcanics of the Kumaun Lesser Himalayan sector yield an age of 2.51±0.08 Ga and an initial ϵ…”
Get full text

Isotopic geochronology of the archean posttectonic association of sanukitoids, syenites, and granitoids in central Karelia by Bibikova, E. V., Arestova, N. A., Ivanikov, V. V., Claesson, S., Petrova, A. Yu, Levchenkov, O. A.

“…The U-Pb geochronological study (by the classic technique and on an ion microprobe) of syenites from central Karelia has established their Archean age. The age…”
Get full text

An ecosystem-based framework for governance and management of maritime cultural heritage in the USA by Claesson, Stefan

“…A new federal administration, alongside initiatives proposed by the President's US Commission on Ocean Policy, provides a timely and critical opportunity for…”
Get full text

Samarium-neodymium data on two late Proterozoic ophiolites of Saudi Arabia and implications for crustal and mantle evolution by CLAESSON, S, PALLISTER, J. S, TATSUMOTO, M

Get full text

Isotopic evidence for the Precambrian provenance and Caledonian metamorphism of high grade paragneisses from the Seve Nappes, Scandinavian Caledonides by CLAESSON, S

Get full text

Early Caledonian tectonothermal evolution in outboard terranes, central Scandinavian Caledonides; new constraints from U-Pb zircon dates by Stephens, M. B, Kullerud, K, Claesson, S

“…Three new U-Pb zircon dates provide evidence for the separation of igneous events in 'outboard' terrains in the Scandinavian Caledonides into older…”
Get full text