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作者:Xavier Quidelleur , Giuseppe Siani ...
来源:[J].Quaternary Geochronology(IF 4.015), 2020, Vol.57Elsevier
摘要:Abstract(#br)New K-Ar ages obtained on juvenile pumice glass shards indicate that the Chalupas ignimbrite, one of the main Pleistocene tephra markers of the Ecuadorian arc, was emplaced at 216 ± 5 ka. Morphology and major and trace element contents of the glass shards are si...
作者:Julia Ricci , Pierre Lahitte , Xavier Quidelleur
来源:[J].Geomorphology(IF 2.552), 2015, Vol.228, pp.597-607Elsevier
摘要:Abstract(#br)In order to better constrain the construction and the erosion rate affecting the volcanic island of Basse-Terre Island (Guadeloupe, F.W.I.), an enlarged K–Ar age dataset has been combined with reconstruction of the paleo-topography. Two different methods of inte...
作者:Xavier Quidelleur , Pablo Samaniego ...
来源:[J].Bulletin of Volcanology: Official Journal of the International Association of Volcanology and Chemistry of the Earth`s Interior (IAVCEI)(IF 2.653), 2020, Vol.82 (3), pp.67-83Springer
摘要:Abstract(#br)In the northern Andes, the Ecuadorian arc presents a large number of Quaternary volcanoes, spread over a rather restricted area. The origin of this volcanic clustering is not well understood, and only a few chronological data older than the Holocene are availabl...
作者:Pierre Lahitte , Agnès Samper , Xavier Quidelleur
来源:[J].Geomorphology(IF 2.552), 2011, Vol.136 (1), pp.148-164Elsevier
摘要:Abstract(#br)We combine radiometric ages and geomorphologic investigations to quantify the relief creation of well preserved volcanic surfaces, applied to the volcanoes of southern Basse-Terre (Guadeloupe, Lesser Antilles Arc). The last 650 ka volcanic evolution of this isla...
作者:Xavier Quidelleur , Pablo Samaniego ...
来源:[J].Tectonophysics(IF 2.684), 2018Elsevier
摘要:Abstract(#br)This study focuses on the construction and evolution through time of volcanic edifices located in the southern part of the Ecuadorian arc, with the objective to contribute to a better understanding of the interactions between magmatism, slab geometry and the activity...
作者:Xavier Quidelleur , Julie A. Debreil ...
来源:[J].Journal of South American Earth Sciences(IF 1.533), 2019, Vol.90, pp.338-354Elsevier
摘要:Abstract(#br)The new data coupled with those previously published highlight that, in the last 2 Ma, the Tromen Volcanic System (TVS) erupted transitional, alkali and rhyolitic lavas which built the Tilhué, Chapúa-Maipo-El Puente, Coyocho-Wayle and El Tromen volcanic groups. ...
作者:Xavier Quidelleur , Anthony Hildenbrand ...
来源:[J].Chemical Geology(IF 3.154), 2019, Vol.506, pp.1-16Elsevier
摘要:Abstract(#br)Absolute dating is needed to check and calibrate the relative Martian chronology presently available from meteoritic crater counting. For such purpose, a new analytical system (KArMars) has been developed to experiment the feasibility of in-situ K-Ar for future ...
作者:Xavier Quidelleur , Pierre Lahitte ...
来源:[J].Quaternary Geochronology(IF 4.015), 2011, Vol.6 (3), pp.341-355Elsevier
摘要:Abstract(#br)We present 23 new ages from three volcanic complexes of the Lesser Antilles arc in Martinique Island (French West Indies). These ages obtained with the K–Ar Cassignol–Gillot technique are distributed within the whole Quaternary. They allowed us to reconstruct a ...
作者:Xavier Quidelleur , Pablo Samaniego ...
来源:[J].Journal of Volcanology and Geothermal Research(IF 2.193), 2018, Vol.357, pp.378-398Elsevier
摘要:Abstract(#br)This study focuses on the evolution through time of Tungurahua volcano (Ecuador), and provides new information regarding its history. Eighteen new K-Ar ages constrain its construction and the activity of its three successive edifices. We show that the volcano is...
作者:Xavier Quidelleur , Andrew Calvert ...
来源:[J].Bulletin of Volcanology(IF 2.653), 2019, Vol.81 (7), pp.1-17Springer
摘要:Abstract(#br)A new set of 17 unspiked K-Ar and five 40 Ar/ 39 Ar ages, together with previously published radiometric ages for the volcanic region around Lassen volcanic center (LVC) in the Southern Cascades, USA, shows that eruptive periods at LVC have occurred in close tem...

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