| 2. | By the end of 1998 , minerals that had been discovered , confirmed and explored included : cyanite , silex ， quartz ， xanthoconite , others that need proving up and exploring included : mica , phosphorite , diamond , rutile , crude oil , kalium ore , etc
至1998年底，发现、探明并已开发利用的矿种有：蓝晶石、硅石、石英砂、黄砂，有待探明和开发利用的矿种有云母、磷矿石、金刚石、金红石、石油、钾矿石等。 |
