Thermoelastic and thermodynamic properties of harzburgite-An upper mantle rock

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

A number of thermoelastic and thermodynamic properties such as compressibilities, specific heat ratio, specific heat capacities, Grüneisen parameters, Debye temperature, the melting temperature, and their dependence on temperature and pressure have been obtained for the harzburgite rock of Oman ophiolite suite. Debye temperature ΘD and the ratio of the specific heats (γ = frac(CP, CV)) are the basic inputs which are determined here by making use of the seismic velocities and the density data. The specific heat capacities CP and CV are evaluated from the thermodynamic equations as well as from the Debye theory. These data along with the computed values of compressibilities have been used to evaluate the Grüneisen parameter and its dependence on temperature through thermodynamic and acoustic relations. The computed values of the Debye temperature has also been found very helpful to estimate the melting temperature of the rock whose pressure dependence is analyzed following the Clausius-Clapeyron equation.

Original languageEnglish
Pages (from-to)1766-1774
Number of pages9
JournalJournal of Physics and Chemistry of Solids
Volume69
Issue number7
DOIs
Publication statusPublished - Jul 2008

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Specific heat
Earth mantle
Thermodynamic properties
thermodynamic properties
Rocks
specific heat
rocks
Debye temperature
Compressibility
Melting point
Rock pressure
Thermodynamics
compressibility
melting
Oman
thermodynamics
temperature
Acoustics
Temperature
pressure dependence

Keywords

  • D. Elastic and thermodynamic properties

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

Cite this

Thermoelastic and thermodynamic properties of harzburgite-An upper mantle rock. / Arafin, S.; Singh, R. N.; George, A. K.; Al-Lazki, Ali.

In: Journal of Physics and Chemistry of Solids, Vol. 69, No. 7, 07.2008, p. 1766-1774.

Research output: Contribution to journalArticle

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