Some remarks on the stability of sphene in diagenetic environments

A. A. Aldahan, S. Morad

Research output: Contribution to journalArticlepeer-review

11 Citations (Scopus)


Equilibrium diagrams showing the chemical stability of sphene and the assemblage rutile-quartz-calcite in the range 25-300°C and 1-2000 bar were constructed from mineral reactions that likely occur in diagenetic environments. The results reveal that stability of sphene depends on activities of HCO-3, Ca2+, SiO2(aq) and H+. Given appropriate conditions, sphene is predicted to be stable even in surficial environments.

Original languageEnglish
Pages (from-to)249-255
Number of pages7
JournalChemical Geology
Issue number3
Publication statusPublished - Sept 15 1988
Externally publishedYes

ASJC Scopus subject areas

  • Geology
  • Geochemistry and Petrology


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