Morphometrical and geochronological constraints on the youngest eruptive activity in East-Central Europe at the Ciomadul (Csomád) lava dome complex, East Carpathians

D. Karátson, Tamás Telbisz, S. Harangi, E. Magyari, István Dunkl, Balázs Kiss, Csaba Jánosi, Daniel Veres, M. Braun, Emoke Fodor, Tamás Biró, Szabolcs Kósik, Hilmar von Eynatten, Ding Lin

Research output: Contribution to journalArticle

24 Citations (Scopus)

Abstract

The timing of Late Pleistocene volcanic activity of the Ciomadul (Csomád) dacitic lava dome complex, site of the youngest eruptions in the Carpathians, has been constrained by morphometric analysis and radiometric chronology. Peléan domes and asymmetric domes/coulées built up the volcano, including the central edifice that hosts the youngest twin craters of Mohoş (Mohos) peat bog and lake St. Ana (Szent Anna). A comparative digital elevation model (DEM)-based morphometric analysis of lava domes (29 worldwide examples including 5 domes from Ciomadul) shows that it is the mean slope of the upper dome flank that correlates best with age. Although the logarithmic relationship is only moderately strong (R=0.80), slope characteristics of the Ciomadul domes fit to those of 10-100. ka old domes. These young ages contradict the previous K/Ar dates giving as old as 1. Ma ages on a number of domes, but are supported by ongoing U-Pb and (U-Th)/He zircon dating. The latter methods constrain the whole volcanic activity to the past 250. ka and the emplacement of most lava domes within the period of 150-100. ka.The volcanism at Ciomadul produced alternating effusive and explosive eruptions including lava dome collapses and successive crater formations. The latest, possibly subplinian explosive event formed the well-preserved St. Ana crater. Radiocarbon dating of organic remains from a sediment core that reached 11. m into the lacustrine infill of St. Ana suggests that the crater was formed prior to 26,000. years BP.

Original languageEnglish
Pages (from-to)43-56
Number of pages14
JournalJournal of Volcanology and Geothermal Research
Volume255
DOIs
Publication statusPublished - Apr 1 2013

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Central Europe
lava dome
Domes
lava
domes
dome
crater
craters
explosive
volcanic eruption
dating
volcanic eruptions
volcanology
radiocarbon dating
infill
young
Europe
Moho
peatland
digital elevation model

Keywords

  • Carpathian volcanism
  • DEM analysis
  • Lava dome morphometry
  • Paleolimnology
  • U-Pb and (U-Th)/He geochronology

ASJC Scopus subject areas

  • Geochemistry and Petrology
  • Geophysics

Cite this

Morphometrical and geochronological constraints on the youngest eruptive activity in East-Central Europe at the Ciomadul (Csomád) lava dome complex, East Carpathians. / Karátson, D.; Telbisz, Tamás; Harangi, S.; Magyari, E.; Dunkl, István; Kiss, Balázs; Jánosi, Csaba; Veres, Daniel; Braun, M.; Fodor, Emoke; Biró, Tamás; Kósik, Szabolcs; von Eynatten, Hilmar; Lin, Ding.

In: Journal of Volcanology and Geothermal Research, Vol. 255, 01.04.2013, p. 43-56.

Research output: Contribution to journalArticle

Karátson, D. ; Telbisz, Tamás ; Harangi, S. ; Magyari, E. ; Dunkl, István ; Kiss, Balázs ; Jánosi, Csaba ; Veres, Daniel ; Braun, M. ; Fodor, Emoke ; Biró, Tamás ; Kósik, Szabolcs ; von Eynatten, Hilmar ; Lin, Ding. / Morphometrical and geochronological constraints on the youngest eruptive activity in East-Central Europe at the Ciomadul (Csomád) lava dome complex, East Carpathians. In: Journal of Volcanology and Geothermal Research. 2013 ; Vol. 255. pp. 43-56.
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AU - Magyari, E.

AU - Dunkl, István

AU - Kiss, Balázs

AU - Jánosi, Csaba

AU - Veres, Daniel

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