CO2 SOLUBILITY IN DACITIC MELTS EQUILIBRATED WITH H2O-CO2 FLUIDS: IMPLICATIONS FOR MODELING THE SOLUBILITY OF CO2 IN SILICIC MELTS
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dc.contributor.author | Behrens H. | |
dc.contributor.author | Ohlhorst S. | |
dc.contributor.author | Holtz F. | |
dc.contributor.author | Champenois M. | |
dc.date.accessioned | 2022-03-19T11:05:23Z | |
dc.date.available | 2022-03-19T11:05:23Z | |
dc.date.issued | 2004 | |
dc.identifier | https://www.elibrary.ru/item.asp?id=12090419 | |
dc.identifier.citation | Geochimica et Cosmochimica Acta, 2004, 68, 22, 4687-4703 | |
dc.identifier.issn | 0016-7037 | |
dc.identifier.uri | https://repository.geologyscience.ru/handle/123456789/36444 | |
dc.description.abstract | The solubility of CO2 in dacitic melts equilibrated with H2O-CO2 fluids was experimentally investigated at 1250°C and 100 to 500 MPa. CO2 is dissolved in dacitic glasses as molecular CO2 and carbonate. The quantification of total CO2 in the glasses by mid-infrared (MIR) spectroscopy is difficult because the weak carbonate bands at 1430 and 1530 cm−1 can not be reliably separated from background features in the spectra. Furthermore, the ratio of CO2,mol/carbonate in the quenched glasses strongly decreases with increasing water content. Due to the difficulties in quantifying CO2 species concentrations from the MIR spectra we have measured total CO2 contents of dacitic glasses by secondary ion mass spectrometry (SIMS). | |
dc.title | CO2 SOLUBILITY IN DACITIC MELTS EQUILIBRATED WITH H2O-CO2 FLUIDS: IMPLICATIONS FOR MODELING THE SOLUBILITY OF CO2 IN SILICIC MELTS | |
dc.type | Статья |
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