Using the data of drill hole 86-46 in Dashiqiao, Hulin City, the high-resolution sequence stratigraphic division of the Hulin Formation in the Dunmi downfaulted basin, eastern Heilongjiang, was made, and three medium-term datum plane cycles were recognized.
以虎林市大石桥86-46钻孔为例对黑龙江东部敦密断陷盆地内虎林组进行了高分辨率层序中期基准面旋回划分,识别出3个中期基准面旋回。