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claudia-bouman
Team TFS
Team TFS
1) Dipartimento di Scienze, Sezione di Geologia, Università degli Studi di Roma Tre, Rome, Italy, 2) Istituto di Geologia Ambientale e Geoingegneria, C.N.R., Rome, Italy, 3) Institute for Geological and Geochemical Research, Research Centre for Astronomy and Earth Sciences, Hungarian Academy of Sciences, Budapest, Hungary, 4) High-Precision Mass Spectrometry and Environment Change Laboratory (HISPEC), Department of Geosciences, National Taiwan University, Taipei, Taiwan, ROC, 5) ETH Zürich, Geological Institute, Zürich, Switzerland, 6) Dipartimento di Scienze della Terra, Sapienza Università di Roma, Rome, Italy, 7) Department of Geological Engineering, Pamukkale University, Denizli, Turkey
Tectonophysics (2016), In press, doi: doi:10.1016/j.tecto.2016.04.014
Growth of a Pleistocene giant carbonate vein and nearby thermogene travertine deposits at Semproniano, southern Tuscany, Italy: Estimate of CO2 leakage
Gabriele Berardi (1), Gianluca Vignaroli (2), Andrea Billi (2), Federico Rossetti (1), Michele Soligo (1), Sándor Kele (3), Mehmet Oruç Baykara (4, 7), Stefano M. Bernasconi (5), Francesca Castorina (2,6), Francesca Tecce (2), Chuan-Chou Shen (4)
A giant carbonate vein (≥ 50 m thick; fissure ridge travertines) and nearby travertine plateaus in the Semproniano area (Mt. Amiata geothermal field, southern Tuscany, Italy) are investigated through a multidisciplinary approach, including field and laboratory geochemical analyses (U/Th geochronology, C, Nd, O and Sr isotope systematics, REE abundances, and fluid inclusion microthermometry). The main aim of this work is to understand: (1) modes and rates for the growth of the giant vein and nearby travertine deposits within a Quaternary volcano-tectonic domain; (2) implications in terms of the CO2 leakage; and (3) possible relationships with Quaternary paleoclimate and hydrological oscillations. Results show that the giant vein was the inner portion of a large fissure ridge travertine and grew asymmetrically and ataxially through repeated shallow fluid injections between > 650 and 85 ka, with growth rates in th
  • U/Th
  • C, Nd, O, Sr Istopes
  • REE
  • Vein
  • CO2 leakage
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