含煤建造又称含煤地层或煤系。指在成因联系上大致连续沉积的含煤沉积岩层。岩层主要由各种粒度的粉砂岩、砂岩及泥岩等沉积岩组成。岩层除必须有煤层之外,有时还有石灰岩或砾岩层。如在煤系沉积过程中附近有火山活动,煤系中可能出现火山喷出物质组成的火山碎屑岩和火山熔岩。在煤系中还常伴生有其他沉积矿产,如油页岩、耐火黏土、铝土矿、磷铁矿、黄铁矿、赤铁矿、菱铁矿、褐铁矿,有时还可能有锰矿等。
又称含煤建造成因类型 genetic types of coal formation
盆地早期，沉积了以陆相碎屑岩和火山岩为主的含煤建造。
During the early period of the basin, it was deposited mainly bearing coal construction clastic rocks and volcanic rocks of land facies.
其中发育有含油气建造、含煤建造和红色陆相碎屑岩建造。
Among which, there are the developed oil gas bearing formation, coal bearing formation and red continental clastic rock formation.
通过对含煤建造及构造体系的分析，探讨了勃利煤田的变质规律。
Through analysis on coal formation and system, expound the change regulation of Boli coal field.
应用推荐