surface geochemical survey meaning in English

地表地球化学测量

Abstract : based on surface geochemical survey and integrated researches on coal bed gas in dacheng area , the authors have outlined the coal bed gas field , established the model for geochemical anomaly of coal bed gas and revealed the affecting factors . in addition , a new field for the application of surface geochemical exploration is also pointed out
文摘:通过大城地区煤层气地面化探工程和综合研究，确定煤层气田的分布范围，建立煤层气化探异常模式，了解其影响因素，为地表化探的应用指出新领域。