超厚煤层分布与成因模式  

Distribution and Genetic Model of Extra-thick Coal Seams

作　　者：胡社荣[1] 蔺丽娜[1,2] 黄灿[1] 彭纪超[1] 陈大野[1] 郝国强[1] 

机构地区：[1]中国矿业大学,北京100083 [2]中国科学院地质地球物理研究所,北京100029

出　　处：《中国煤炭地质》2011年第1期1-5,共5页Coal Geology of China

摘　　要：煤厚的分级主要是从煤炭开采的角度来确定的,大于8m的厚煤层一概以巨厚煤层来称之。世界上,煤层总厚最大的是澳大利亚的吉普斯兰盆地,总厚达到700多米;加拿大哈溪煤田二号露天区则为单层煤厚最大的矿区,煤厚达510m;中国内蒙古自治区胜利煤田胜利东二号露天煤矿,单层(6煤层)厚达244.7m,总煤厚达320.65m。从沉积、层序地层与构造诸角度出发,依据现代泥炭堆积与阴沉木堆积等现象进行厚煤层的成因研究,对异地成煤及一些超厚煤层的成因模式进行了介绍和初步评价。Coal thickness gradation is mainly from coal mining point of view,thick coal seams thicker than 8m have a general designation of extra-thick coal seam.The Gippsland Basin in Australia has thickest total thickness of coal seams in the world;it can be 700m more as high.The No.2 surface coalmine,Hat Creek coalfield,Canada is the mine area with largest single seam thickness of 510m.The Shengli East No.2 surface coalmine,Shengli coalfield,Inner Mongolia,China has single seam（No.6 coal seam） thickness of 244.7m,total coal thickness 320.65m.Start from deposition,sequence stratigraphy and structural points of view,based on modern peat and buried wood accumulations carried out thick coal seam genetic study.Finally the paper has introduced and preliminarily assessed allochthonous coal-forming and some extra-thick genetic models.

关 键 词：超厚煤层 单层煤厚 累计煤层总厚 成因模式 

分 类 号：P618.11[天文地球—矿床学]