This article introduced key technologies of spatial databases design, analysis and application to study and draw a lithofacies palaeogeography map of a third sequence based on the Ordos Basin.

• 以鄂尔多斯盆地中一个层序的岩相古地理图的分析、绘制为例，介绍了空间数据库的设计、分析、应用等关键技术。