Comparison in Application Effects Between Old and New Regional Geochemical Exploration Methods in Forest-Swamp Landscape Areas

详细信息   

• 责任者：Wang Huifeng （Shaanxi Academy of Geological Survey ; Xi’an 710016 ; China） ; Peng Lihua
• 刊名：Geophysical and Geochemical Exploration
• 出版年：2008
• 卷期：32(5)
• 关键词：区域化探 ; regional geochemical exploration ; 水系沉积物测量 ; stream sediments surveys
• 页码：p.502-508
• 图表：5 illus., 4 tables, 3 refs.
• 分类号：1500
• issnNo：ISSN1000-8918
• isbnNo：CN11-1906/P

摘要

///1∶200 000 regional geochemical exploration was carried out in forest-swamp landscape areas, different units have used somewhat different methods and techniques at different working stages, but without obvious effects. Based on tests and studies, the Institute of Geophysical and Geochemical Exploration has formulated a new working method, which holds that in 1∶200 000 stream sediment survey the adoption of the sampling grain size grade of -10～+60 mesh and the sampling density of 1～2 points/4 km² can yield good results. Exemplified by regional geochemical exploration in the 1∶200 000 125 km Sheet, the authors made an analysis and comparison between the old and new methods and techniques.