Coal deposits, after all, are petrified peat swamps, and peat is made from decaying plants, which leave their imprints in mud and clay as it hardens into shale stone.
毕竟煤炭矿床本身就是石化的泥炭沼泽,而泥炭的成份是腐烂的植物。当粘土泥浆逐渐硬化成页岩石,腐烂的植物则在上面留下了它们的印记。
A generalized sedimentary-tectonic model for extensional coal basin is presented, together with the explanation for the evolution of basin architecture and the conditions of peat accumulation.
本文提出了拉伸煤盆地最一般的沉积—构造模式,并用以解释盆地结构的演化和泥炭聚积的条件。
Coke and semi-coke of coal, of lignite or of peat, whether or not agglomerated; retort carbon.
煤、褐煤或泥煤制成的焦炭及半焦炭,不论是否制成型;甑炭。
The excellent development of coal - rich regularity in recent decades includes mainly coal - bearing model, coal -rich belt and coal - rich unit, comparative sedimentology of modern peat and swamp.
富煤规律研究的突出进展主要包括聚煤模式、富煤带和富煤单元以及现代泥炭比较沉积学研究。
The coal measure facies can be divided into five ones such as dry peat marsh, moist forest peat marsh, transitional margin marsh, living water peat marsh and open water facies.
根据煤系有机相研究分析,可以划化分为干燥泥炭沼泽相、潮湿森林泥炭沼泽相、过渡边缘沼泽相、活水泥炭沼泽相和开阔水体相五种有机相。
After More burial and chemical transformation of the aging organic material, the peat becomes lignite, a very soft coal-like material.
当这些古老的有机物质经过进一步的埋藏和化学变化,泥炭就变成一种非常软的,像煤物质那样的褐煤。
While its geologic activities include peat accumulation and transportation, embedding activity caused by diastrophism and geothermal metamorphism of coal.
有关的成煤作用包括:泥炭的原地堆积—异地搬运作用、地壳旋回运动所引起的埋藏作用和成煤阶段的热变质作用。
While its geologic activities include peat accumulation and transportation, embedding activity caused by diastrophism and geothermal metamorphism of coal.
有关的成煤作用包括:泥炭的原地堆积—异地搬运作用、地壳旋回运动所引起的埋藏作用和成煤阶段的热变质作用。
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