摘要
螺田勘探区安源组煤层煤质变化规律异常,因此对其时代提出质疑。从煤系地层中钙质砾岩的岩石及地质体特征入手,分析其成因,指出安源组内存在有假整合构造结构面,进而提出本区安源组时代划分的建议。
The stratigraphic age of Anyuan Formation, Luotian exploration area was questioned because its ab- normal change law of coal quality in coal seam. Starting from calcrete rock of coal measure strata and the geolog- ical characteristics, the paper first analyzes its causes, then points out the occurrence of pseudoconformity struc- tural plane in Anyuan Formation, and finally proposed the suggestion of age definition of Anyuan Formation.
出处
《江西煤炭科技》
2014年第1期84-86,共3页
Jiangxi Coal Science & Technology
关键词
煤变质
钙质砾岩
构造结构面
地层时代
coal metamorphism
calcrete
structural plane
stratigraphic age
