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| THERMOLUMINESCENCE OF OFFSHORE SEDIMENTS-A POTENTIAL METHOD FOR GAS HYDRATE EXPLORATION |
| LIU Hai-sheng1,2, WANG Nan-ping1, HOU Sheng-li1, YU Hui2, YU Qin-fan1, CHENG Ye-xun1, LI Jia-xi3 |
1. China University of Geosciences, Beijing 100083, China;;
2. Institute of Geophysical and Geochemical Exploration, CAGS, Langfang 065000, China;
3. National Research Center of Geoanalysis, Beijing 100037, China |
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Abstract In this paper, the mechanism of Thermoluminescence (TL) has been described. Sampling was carried out in the South China Sea and the East China Sea. Some indicator minerals, such as CaCO3, CaSO4 and BaSO4, were produced during the formation, migration and decomposition of gas hydrates, which are crystalsof TL. Metal elements play an important role in TLoperation. The results indicate a positive correlation between TLand hydrates. It is noteworthy that TLmay be a very useful index for gas hydrate exploration in the future.
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Received: 10 March 2002
Published: 24 August 2002
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