Cannel coal

Cannel coal or candle coal, is a type of bituminous coal, also classified as terrestrial type oil shale. Due to its physical morphology and low mineral content cannel coal is considered to be coal but by its texture and composition of the organic matter it is considered to be oil shale. Although historically the term cannel coal has been used interchangeably with boghead coal, a more recent classification system restricts cannel coal to terrestrial origin, and boghead coal to lacustrine environments.

单词	ampelite
释义	ampelite /'æmpəlait/ 英汉-汉英词典 n. 黄铁炭质页岩,硫铁黑土词组 \| 习惯用语您要查找的是不是： impolite adj. 粗鲁的；无礼的 amplitude n. 广阔；充足；丰富；[物]振幅 ameliorate vt. (使)改善,改进 impolitic adj. 不适当的,失策的,不可取的 ampelite n. [岩] 黄铁碳质页岩网络短语: ampelite e 黄铁炭质页岩英语百科 Cannel coal Cannel coal or candle coal, is a type of bituminous coal, also classified as terrestrial type oil shale. Due to its physical morphology and low mineral content cannel coal is considered to be coal but by its texture and composition of the organic matter it is considered to be oil shale. Although historically the term cannel coal has been used interchangeably with boghead coal, a more recent classification system restricts cannel coal to terrestrial origin, and boghead coal to lacustrine environments.
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ampelite /'æmpəlait/

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网络短语:

Cannel coal