%0 Journal Article %T Tres nuevos geoterm車metros mejorados de Na/K usando herramientas computacionales y geoquimiom谷tricas: aplicaci車n a la predicci車n de temperaturas de sistemas geot谷rmicos %A D赤az-Gonz芍lez %A Lorena %A Santoyo %A Edgar %A Reyes-Reyes %A Juan %J Revista mexicana de ciencias geol車gicas %D 2008 %I Universidad Nacional Aut車noma de M谷xico %X three new improved equations of the na/k geothermometerwere developed through computational (artificial neural networks) and statistical tools (based on ordinary linear regression) from the analysis of a more representative world geochemical database (n=212) than hitherto used. the new na/k geothermometers are given by the following equations: these new geothermometric equations were successfully evaluated and compared with measured deep temperature wellbore logs using a different geochemical database (n=112) to avoid the training and regression bias. the obtained results clearly show that the new geothermometers systematically provide better and reliable estimations of the deep equilibrium temperatures (for temperatures over 160 ∼c) than the equations previously reported in the geothermal literature. details of the theoretical basis of the na/k geothermometer, the computational and geochemometric methodologies used, as well as the validation and comparison results are outlined in this work. %K geothermometry %K statistics %K exploration %K geochemometrics %K artificial neural networks %K geothermal systems. %U http://www.scielo.org.mx/scielo.php?script=sci_abstract&pid=S1026-87742008000300007&lng=en&nrm=iso&tlng=en