The geological prospecting and mining history has been reviewed, in the coal basin of western Beijing.
文章回顾了京西煤田已往地质勘查及开采状况.
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Coal basin are a basic tectonic unit in the formation of coal measures.
含煤盆地是煤系形成的基本地质构造单元.
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The Kebao coal basin at the middle the Xiaojiang fault belt part of Yunnan Province.
可保煤盆地位于滇中小江断裂带中段,新第三纪含煤地层主要由冲积扇-湖泊、沼泽成因层序构成.
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