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When the subsiding of the basin base became slow down, no marine invasion was found and the basin was dominated by a peat swamp environment in which coal beds were deposited. 盆地基底沉降速率较慢、无海侵作用时，盆地为泥炭沼泽环境，主要发育煤层。
peat swamp environment 泥炭沼泽环境
They were formedby the.synsedimentary fallout ash alteration in the nearshore peat swamp and march environment. 它们是在近岸泥炭沼泽或沼泽环境中由同期降落的火山灰蚀变而成。
The most district is shoreland and swamp environment. 梁山期海侵开始，区内基本为滨岸沼泽环境。
Temperatures in this swamp environment apparently can be cool but not frigid. 在沼泽环境中的气候显然是凉爽的而不是寒冷的。
On the basis of study on the petrographic characteristics of coal 2 -2 in Shenmu Coalfield,three types of peat swamp are recognized,i.e. 在研究神木煤田2-2煤层煤岩特征的基础上，划分了三种泥炭沼泽类型，即开阔水体草本沼泽、陆地森林沼泽和潮湿森林沼泽。
On the basis of study on the petrographic characteristics of coal 2 -2 in Shenmu Coalfield,three types of peat swamp are recognized,i. 在研究神木煤田2-2煤层煤岩特征的基础上，划分了三种泥炭沼泽类型，即开阔水体草本沼泽、陆地森林沼泽和潮湿森林沼泽。
The depositional areas of lagoonal delta plain peat swamp, terrigenous supratidal peat flat and terrigenous supratidal peat swamp were the best place of the coal-accumulating process. 潟湖三角洲平原和陆源碎屑潮上泥炭坪及泥炭沼泽是最佳的聚煤场所。
In Qinshui Basin, the fresh-water peat swamp facies and forest peat swamp facies were the sedimentary environments of forming good reservoirs, but the drained peat swamp fecies was difficult to form good reservoirs in general. 在沁水盆地，活水泥炭沼泽相以及森林泥炭沼泽相是形成有利储层的沉积环境，而干燥泥炭沼泽相一般难以形成有利的储层。
synsedimentary fallout ash alteration in the nearshore peat swamp and march environment. 它们是在近岸泥炭沼泽或沼泽环境中由同期降落的火山灰蚀变而成。
Where the fierce wind, fog filled the air, over the swamps and peat swamps, only sedges, weeds and ferns can survive. 那里海风猛烈，雾气弥漫，遍布沼泽和泥炭沼泽，只有莎草、杂草和蕨类能够生存。
9.synsedimentary fallout ash alteration in the nearshore peat swamp and march environment. 它们是在近岸泥炭沼泽或沼泽环境中由同期降落的火山灰蚀变而成。
Keywords peat swamp;coal petrography;Yanan Formation;Shenmu Coalfield; 泥炭沼泽;煤岩;延安组;神木煤田;
Keywords peat swamp system;genesis;composition;coal depositional model; 泥炭沼泽体系;成因;组成;煤沉积模式;
That ditch drains water from the swamp. 那条沟于沼泽中的水排出。
A piece of peat that is burned for use as fuel. 泥炭作为燃料燃烧的一块泥炭
We were beset by mosquitoes in the swamp. 我们在沼泽地遭受蚊虫围攻。
Their company is in a financial swamp. 他们的公司陷入了财政困境。
In the swamp we were beset by mosquitoes. 我们在沼泽地受到蚊子的围攻。
He is insensitive to the environment. 他对环境感觉不敏锐。

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