Chemical and isotope characteristics of the Chachimbiro geothermal fluids (Ecuador) (Articolo in rivista)

Type
Label
  • Chemical and isotope characteristics of the Chachimbiro geothermal fluids (Ecuador) (Articolo in rivista) (literal)
Anno
  • 2005-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.geothermics.2005.04.004 (literal)
Alternative label
  • Aguilera E. (1); Cioni R. (2); Gherardi F.(2); Magro G. (2); Marini L. (3); Pang Z. (4) (2005)
    Chemical and isotope characteristics of the Chachimbiro geothermal fluids (Ecuador)
    in Geothermics; Pergamon-Elsevier Science Ltd., Oxford (Regno Unito)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Aguilera E. (1); Cioni R. (2); Gherardi F.(2); Magro G. (2); Marini L. (3); Pang Z. (4) (literal)
Pagina inizio
  • 495 (literal)
Pagina fine
  • 517 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#altreInformazioni
  • This paper was based on the results of the IAEA technical cooperation project for Ecuador-ECU/8/019 with the financial and technical support of the IAEA and of the Ecuadorian government. (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 34 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 4 (literal)
Note
  • ISI Web of Science (WOS) (literal)
  • Scopu (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • 1. Escuela Politecn Ejercito, ESPE, Sangolqui, Ecuador 2. CNR, Area Ric, Ist Geosci & Georisorse, I-56124 Pisa, Italy 3. Univ Genoa, Dip Te Ris, I-16132 Genoa, Italy 4. IAEA, A-1400 Vienna, Austria (literal)
Titolo
  • Chemical and isotope characteristics of the Chachimbiro geothermal fluids (Ecuador) (literal)
Abstract
  • The parent geothermal water proposed for the Chachimbiro geothermal area has calculated values of 2250 mg/L Cl and approximately 5 bar PCO2. It comes from a reservoir having an estimated temperature of 225-235 degrees C, although temperatures somewhat higher than 260 degrees C may be present at the roots of the system. The geothermal reservoir at Chachimbiro is recharged mainly by meteoric water (about 92%) and secondarily by are-type magmatic water. Carbon and sulfur isotope data support a magmatic origin for the C and S species entering the geothermal system from below, consistent with indications provided by He isotopes. The thermal springs of Na-Cl to Na-Cl-HCO3 type located in the Chachimbiro area originate through dilution of the parent geothermal water and have reached different degrees of re-equilibration with country rocks at lower temperatures. (c) 2005 CNR. Published by Elsevier Ltd. All rights reserved. (literal)
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