摘要
羊场煤矿经50年开采,资源近于枯竭。通过地质调查和预测,提供可靠依据,为危机矿山新增储量,延长矿山服务年限。
The coal resources are nearly exhausted in Yangchang coalfield because of the exploitation in 20 years. The geological survey and prognosis provide the reliable base for the new increase of reserves in this crisis coalfield and the extension of service period of it.
出处
《云南地质》
2009年第2期176-178,共3页
Yunnan Geology
关键词
危机矿山
资源枯竭
地质调查预测
延长服务时限
宣威羊场煤矿
Crisis Coalfield
Resources Exhausted
Geological Survey and Prognosis
Extension of Service Period
Yangchang Coalfield, Xuanwei