TECHICAL Series MATHEMATICS • INFORMATICS • PHYSICS Series PHILOLOGY Series ECONOMIC SCIENCES Sereies EDUCATIONAL SCIENCES Series LAW AND SOCIAL SCIENCES Series
Geothermometry and the Principal Types of Geothermometers Used in Petrology
(Geotermometrie si principalele tipuri de geotermometre folosite īn petrologie)
Vol LXI • No. 1/2009
Mihai Ciocīrdel
Universitatea Petrol-Gaze din Ploiesti, Bd. Bucuresti 39, Ploiesti
e-mail:mihai_c@bigstring.com

 Keywords   geothermometer, equilibrium, thermodynamics.

 Abstract
Geothermometry is a practical application of thermodynamics in petrology which follows the estimation of the temperatures at which certain geological processes took place. The geothermometry was and is used mostly in petrology of metamorphic rocks to estimate the temperatures at which the mineral assemblages have reached the thermodynamic equilibrium. This paper presents the notion of geothermometer, presents and comments on the characteristics of the mostly used types of geothermometers. As the experimental petrology makes progress, the geothermomethry will improve and in this way it will offer more and more precise data, which are so useful in petrogenetic interpretations and generally in geological ones.

 Rezumat
Geotermometria este o aplicaţie practică a termodinamicii īn petrologie care urmăreşte estimarea temperaturilor la care s-au desfăşurat anumite procese geologice. Geotermometria a fost şi este folosită
cel mai mult īn petrologia rocilor metamorfice pentru estimarea temperaturilor la care paragenezele minerale au atins echilibrul termodinamic. Această lucrare prezintă notiunea de geotermometru, prezintă şi comentează caracteristicile celor mai utilizate tipuri de geotermometre. Pe masură ce petrologia experimentală va progresa, geotermometria se va perfecţiona şi ea furnizānd astfel date din ce īn ce mai sigure, atāt de utile īn interpretările petrogenetice şi īn general geologice.



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