地球排气作用的重大意义及研究进展

Significance of Earth Degassing and Its Research Progress

地球排气作用已成为当代地球科学最重要的前沿问题之一。它牵涉到地球演化、大地构造、岩浆作用、热液作用、金属矿产和油气形成、地球化学找矿方法、众多自然灾害成因等地球科学基本理论和国计民生实践问题。本文是近期这一研究领域国际动态的一个综述。我们应对地球深部气体给予注意 ,特别是其中的氢流。固体地球动力学研究应向流体地球动力学进行概念转变。

The Earth degassing is one of frontier problems in modern Earth science, which is linked with Earth evolution, ore and oil—gas formation, magma—hydrothermalism, geochemical surveys, geotectonics, and numerous natural disasters, etc, as well as social practical demands. In this paper the research status of Earth degassing in the world is briefly summarized. We must pay attention to deep gas in the Earth, especially to hydrogen flow. We need to change the concept of solid geodynamics to liquid one.