Výsledky vyhledávání - "39Ar-40Ar dating"

The effects of retrograde reactions and of diffusion on 39Ar-40Ar ages of micas

Autor: Allaz, J, Berger, A, Engi, M, VILLA, IGOR MARIA

Publikováno v: Allaz, J.; Engi, M.; Berger, A.; Villa, I.M. (2011). The effects of retrograde reactions and of diffusion on 39Ar-40Ar ages of micas. Journal of petrology, 52(4), pp. 691-716. Oxford: Oxford University Press 10.1093/petrology/egq100

The effects of metamorphic reactions occurring during decompression were explored to understand their influence on the 40Ar- 39Ar ages of micas. Monometamorphic metasediments from the Lepontine Alps (Switzerland) reached lower amphibolite facies duri

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::88a956e330960c0eab35e1a1935215f9
https://boris.unibe.ch/10550/1/egq100.pdf

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Middle and late Pleistocene glaciations in the Campo Felice Basin (central Apennines, Italy)

Autor: Giulia Bodrato, Nicola Cipriani, Carlo Giraudi, Giovanni Maria Zuppi, Igor M. Villa, Biagio Giaccio, Marianna Ricci Lucchi

Publikováno v: Quaternary research
75 (2011): 219–230. doi:10.1016/j.yqres.2010.06.006
info:cnr-pdr/source/autori:Giraudi, Carlo; Bodrato, Giulia; Lucchi, Marianna Ricci; Cipriani, Nicola; Villa, Igor M.; Giaccio, Biagio; Zuppi, Giovanni M./titolo:Middle and late Pleistocene glaciations in the Campo Felice Basin (central Apennines, Italy)/doi:10.1016%2Fj.yqres.2010.06.006/rivista:Quaternary research (Print)/anno:2011/pagina_da:219/pagina_a:230/intervallo_pagine:219–230/volume:75
75 (2011): 219–230.
info:cnr-pdr/source/autori:Giraudi C., Bodrato G., Ricci Lucchi M., Cipriani N., Villa I.M,Giaccio B., Zuppi G.M./titolo:Middle and Late Pleistocene Glaciations in the Campo Felice basin (Central Apennines-Italy)/doi:/rivista:Quaternary research (Print)/anno:2011/pagina_da:219/pagina_a:230/intervallo_pagine:219–230/volume:75

The present paper refers to research conducted in the tectonic-karst depression of Campo Felice in the central Apennines (Italy), in which glacial, alluvial and lacustrine sediments have been preserved. Stratigraphic interpretations of sediments unde

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1526723eb2331a7d049313b5cee17019
http://www.cnr.it/prodotto/i/449123

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Chronostratigraphy of Monte Vulture volcano (southern Italy): secondary mineral microtextures and 39Ar-40Ar systematics

Autor: Annett Buettner, Igor M. Villa

Publikováno v: Villa, Igor M.; Buettner, Annett (2009). Chronostratigraphy of Monte Vulture volcano (southern Italy): secondary mineral microtextures and 39Ar-40Ar systematics. Bulletin of volcanology, 71(10), pp. 1195-1208. Springer-Verlag 10.1007/s00445-009-0294-6

The eruptive history of Monte Vulture has been the subject of several geochronological investigations during the past decades, which reliably dated only a small number of eruptions. Understanding the causes of sub-optimum data yield in the past requi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::269c1c1d93e395f4f26dc746f1e86e55

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Chemical and physical erosion rhythms of the West African Cenozoic morphogenesis: The 39 Ar- 40 Ar dating of supergene K-Mn oxides

Autor: Anicet Beauvais, Gilles Ruffet, Olivier Hénocque, Fabrice Colin

Publikováno v: Journal of Geophysical Research: Earth Surface
Journal of Geophysical Research: Earth Surface, American Geophysical Union/Wiley, 2008, 113 (F4), pp.F04007. ⟨10.1029/2008JF000996⟩
Journal of Geophysical Research: Earth Surface, 2008, 113 (F4), pp.F04007. ⟨10.1029/2008JF000996⟩
Journal of Geophysical Research
Journal of Geophysical Research, 2008, 113 (F4), pp.F04007. ⟨10.1029/2008JF000996⟩
Journal of Geophysical Research, American Geophysical Union, 2008, 113 (F4), pp.F04007. ⟨10.1029/2008JF000996⟩

Chemical weathering and mechanical erosion are first-order processes of long-term tropical morphogenesis, which is still poorly deciphered for lack of time constraints. We address this issue by laser probe Ar-39-(40) Ar dating of generations of crypt

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f2e0b51f11bc1494fcd609e5c7b0a160
https://hal.archives-ouvertes.fr/hal-01097306

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