第一绪言二十三年秋,江宁自治实验县委托中央大学地质系调查全境地质。鼐奉系派,参与工作,於调查地质之余,对於境内土壤情形亦稍加注意,惟因限於时间,故所采集之标本,为数不多,且采集地点,每视地质工作为转移,不能如意选择,又未能逐步勘测,今书此简短报告,聊供日後之参考 .

Description of the areaThe area investigated is located in the southwestern part of Kiangsu Province, between Longitude 118°30’ and 119°8’ E. and Latitude 31° 40’ and 32°15’ N. The whole area is about 1740 square kilometers.The topography is moderately rugged. The ranges of hills are distributed at the northeast and southwest parts of the area, with elevations varying between 200-400 meters. The remainder of the area is occupied by the flat recent alluvial plain of the Chinhwaiho. This river has its course commencing from the southwestern hills and flows into the Yangtze River.