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 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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The secondary mixed gas is not only one kind of noticeable catastrophe gas, but also is the unique and useful pure energy in old mining area of coal basin.

次生混合气既是一种不可忽视的灾害性气体，也是煤盆地老矿区特有的、可供开发利用的洁净能源。

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The most important metallurgical coal basin in the world is underwater.

FORBES: Australian Floods Cause Drought in the Coal Market

The China First Project is a thermal coal mine in the undeveloped Galilee Basin coal region in Queensland.

FORBES: Australian Miner Opts For Chinese Funding Over IPO

Until recently the Galilee basin coal was unknown to consumers and its quality untested.

FORBES: India's Big Bet On Australian Coal