摘要
The Oyster reef in Tianjin is an important geological relic remaining at Tianjin coastal plain since Holocene and records evidence of the change of sea and land and is of scientific value for induction of formation of continent of Tianjin coastal plain.The new method,high density resistivity method was tested to detect oyster reef distribution at the south bank of Zengkou River in Qilihai town,Ninghe County.Seven holes were drilled to verify the method.The drilling result is coincident with that of the high density resistivity detection thus the method is economic,quick and effective.