三江平原位于黑龙江省东部,由黑龙江、松花江和乌苏里江冲积而成。平原的中部,地学工作做的较少,平原成因的研究比较薄弱。1973年国务院科教组和农林部组织有关部门对该区进行了荒地资源的综合考察,铁路部门也在该区开始了线路勘测。在荒地考 Sanjiang Plain is located in the eastern part of Heilongjiang Province, Heilongjiang, Songhua River and Wusuli River alluvial. In the middle part of the plains, there are less geotechnical work done and the research on the genesis of the plains is relatively weak. In 1973, the Science and Education Department of the State Council and the relevant departments of the Ministry of Agriculture and Forestry organized a comprehensive survey of wasteland resources in the area, and the railway department also started the line survey in the area. Test in the wasteland