介绍桐柏安棚碱矿扩边勘探过程，提出碱矿探边的一些基本原则，及探边使用的理论、技术、方法。经检验，这套理论、技术、方法是实用的，扩边结果与开发实践基本吻合，为碱矿生产、继续发展提供了依据，减少了不必要的浪费与开支。

This paper presents the exploration process of expanding cutoff boundary of Tongbai Anpeng bicarbonate mine, and put forward the basic principles of exploring cutoff boundary of mirabilite mine and applied theory, technology and methods of exploring cutoff boundary. This theory, technology, methods are attested practical, the results of expanding cutoff boundary are basically consistent with the development, and thus provided the basis for bicarbonate production and continuing expansion, reducing unnecessary waste and costs.

王胜利（1963－），男，内蒙古东胜市人，桐柏安棚碱矿有限责任公司教授级高级工程师，主要从事天然碱的生产开发和研究工作