龙永煤田昌福山区构造特征及其控煤作用

论述了昌福山区的构遣特征,即：印支运动产生的火成岩上升形成滑脱断层,再形成褶皱,在燕山运动早期形成推覆断层,在晚期由于燕山运动产生火成岩的隆升机制就形成倾角较大的正逆断层。其控煤可分为三大块进行：F11以东,所形成的煤系地层只受高角度断层切割破坏;F11以西至9线,其沉积煤层一般只受滑脱断层影响;9线以西,主要受火成岩影响,离火成岩愈远影响愈小,一般影响较大的是童子岩组第三段中、下部和第一段地层。

Structural Features and Their Coal Controlling in Changfushan Area of Longyong Coalfield

The paper discussed structural features in Changfushan area,analyzed structure forming mechanism and coal controlling pattern.Considered that fault Fll,coal measures only dissected by high angle fault,west of Fll through to No.9 exploration line coal seams merely affected by decollement,while west of the line,mainly affected by igneous rocks,the far from igneous rocks,the less effects,generally speaking,middle and lower part of No.5 member,No.1 member of Tongziyan Formation suffered more impact.