Mathematical Geology

, Volume 21, Issue 5, pp 523–541 | Cite as

Inversion of multiple thermal indicators: Quantitative methods of determining paleoheat flux and geological parameters IV. Case histories using thermal indicator tomography

  • Z. He
  • I. Lerche


A quantitative tomographic method to determine simultaneously several geological, geochemical, and geothermal parameters associated with reconstruction of the geohistory and thermal history of sediments in a well is presented. Using vitrinite reflectance data from the well Inigok-1, National Petroleum Reserve of Alaska, the numerical algorithm was tested and found to be effective in delineating the variation of heat flux with time. In addition, the size and timing of a major unconformity also were bracketed. Application of tomography using apatite fission track distributions with depth as a thermal indicator enabled not only the thermal history of two wells in the NW Canning Basin of Australia to be determined, but also the chemical parameters associated with fission track annealing to be constrained. Results of both the Alaska study and the Australian study were consistent with the qualitative behavior inferred from current geological models.

Key words

Thermal indicators inversion tomography paleoheat flux 


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Copyright information

© International Association for Mathematical Geology 1989

Authors and Affiliations

  • Z. He
    • 1
  • I. Lerche
    • 1
  1. 1.Department of Geological SciencesUniversity of South CarolinaColumbia

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