摘要
根据构造地貌特征分析和火山构造盆地水文地质条件演化等特征显示,五大连池火山群呈一环形构造,而石龙熔岩处于环的中心部,证明其古地理环境属于构造盆地湖。五大连池湖泊群不是堰塞湖。而是填塞湖的残迹湖。
On the basis of characteristic analyses of tectonic landform,evolution of hydrogeologic conditions of volcanotectonic depression, the volcanic rock depositional thickness Laoheishan stage and characterized satellite colour landform images by electronic computer handle,it's proved that paleoenvironment of early days volcanic activities of Laoheishan in Wudalianchi belongs to the volcanotectonic depression. As a result Wudalianchi are not dammed lakes, but residual lakes of filled alkes.