Evaluation of the paleo‐geothermal gradient at Site 768 (Sulu Sea)

Publisher: John Wiley & Sons Inc

E-ISSN: 1944-8007|17|11|2073-2075

ISSN: 0094-8276

Source: GEOPHYSICAL RESEARCH LETTERS, Vol.17, Iss.11, 1990-10, pp. : 2073-2075

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Abstract

Paleo‐temperature gradients for Site 768 are determined by modelling organic maturities. It is found that the measured maturity of the organic matter cannot be attributed to the present‐day thermal gradient of 130°C/KM. From a comparison between modelled and measured maturities a high paleogradient of 250°C/KM is derived.