| NATURAL GAS OF NEW GENETIC TYPE——BIO-, THERMO-CATALYTIC TRANSITIONAL ZONE GAS |
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| 引用本文： | 徐永昌,沈平,刘文汇,王万春.NATURAL GAS OF NEW GENETIC TYPE——BIO-, THERMO-CATALYTIC TRANSITIONAL ZONE GAS[J].中国科学B辑(英文版),1991(9). |
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| 作者姓名： | 徐永昌 沈平 刘文汇 王万春 |
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| 作者单位： | Laboratory of Biogeochemistry and Gas geochemistry，Lanzhou Institute of Geology，Academia Sinica，Laboratory of Biogeochemistry and Gas geochemistry，Lanzhou Institute of Geology，Academia Sinica，Laboratory of Biogeochemistry and Gas geochemistry，Lanzhou Institute of Geology，Academia Sinica，Laboratory of Biogeochemistry and Gas geochemistry，Lanzhou Institute of Geology，Academia Sinica |
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| 摘 要： | Bio-, thermo-catalytic transitional zone gas (BTCTZ gas), of which burial depth is shallow (1000-2500m), chemical composition (C,/ΣC1-5 = 0.7-0.9) and isotopic composition (δ13C1= -55 to-48‰) coincide with the evolution level of organic matter (R0=0.25-0.6%) in the corresponding strata, is a natural gas of new genetic type. The genesis of BTCTZ gas must have some relation to microcatalysis under lower temperature and condensation of aromatic hydrocarbons. In line with the new theory of natural gas formation, the existence of BTCTZ gas is objective. According to data from all over the world, BTCTZ gas may hold an important position in the table of reserves of natural gas.
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