A new method of geogas (soil gas) collection and analysis, is briefly introduced. A geogas collector is buried at shallow depth to collect volatile compounds for a period of 60-90 days. The adsorbed compounds are anal...A new method of geogas (soil gas) collection and analysis, is briefly introduced. A geogas collector is buried at shallow depth to collect volatile compounds for a period of 60-90 days. The adsorbed compounds are analyzed by INAA. This paper presents the multi-elemental anomaly of a gold deposit, Southwest China.The element contents and the multielemental anomaly of geogas were compared with those in the near- surface soil around the collector, background of the collector, and in gold ores. The geogas anomaly on gold deposit is demonstrated as a direct indicator of subsurface deposits.展开更多
基金The Project Supported by Foundation for Development of Geological Sciences and Techniques of China
文摘A new method of geogas (soil gas) collection and analysis, is briefly introduced. A geogas collector is buried at shallow depth to collect volatile compounds for a period of 60-90 days. The adsorbed compounds are analyzed by INAA. This paper presents the multi-elemental anomaly of a gold deposit, Southwest China.The element contents and the multielemental anomaly of geogas were compared with those in the near- surface soil around the collector, background of the collector, and in gold ores. The geogas anomaly on gold deposit is demonstrated as a direct indicator of subsurface deposits.