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THE ADVANCES IN GEOCHEMICAL EXPLORATION OF SOLID ORE RESOURCES AND THE ACHIEVEMENTS GAINED |
Mu Xuzan, Xi Xiaohuan |
Bureau of Geological Survey, Ministry of Geology and Mineral Resources, Beijing 100812 |
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Abstract in celebration of the 30th International Geological Congress to be held in Beijing,this paper aims atmaking known to our foreign colleagues the advances and achievements of geochemical exploration for solid ore resources in China: regional geochemical prospecting and medium-scale geochemical prospecting have covered 5170000 km2 and some 900000 km2 rmpectively, about 43000 geochemical anomalies of various sorts have been discovered and, on such a basis, 569 large-, medium-, and small-sized ore deposits with economic value havebeen found through anomaly appraisal and engineering inspection. The ore-prospecting effects are quite remarkableand, especially in geochemical prospecting of gold and silver deceits, achievements with breakthrough significancehave been obtained. Geochemical methods and techniques have been continuously improved and spread. China'sgeochemical prospecting has approached or reached international advanced level in several aspects such as field workmethods for special landscape areas, analytical methods and techniques for minor and trace elements, inspectionmethods for geochemical anomalies as well as processing and mapping of geochemical data.
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Received: 10 April 1996
Published: 24 August 1996
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