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杨家山勘探区位于冷水江市东北方,面积约40平方公里。为涟源含煤区晏家铺向斜西南翼一个次一级复式向斜,煤系地层为石炭系下统测水组,其上段含煤1—2层,不可采;下段含煤5层,其中煤为主要可采煤层。勘探区以华夏系构造和新华夏系构造组成主体构造格架,表现为一组平行断裂与华夏系褶曲截接复合而组成的一个多字型构造型式(图1)。
Yangjiashan exploration area is located in the northeast of Lengshuijiang City, an area of about 40 square kilometers. It is a secondary synclinal syncline to the southwest wing of Yanjiapu anticline in Lianyuan coal-bearing area. The coal measure strata are the Lower Carboniferous Sedimentary Water Group, with 1-2 layers of coal on the upper section, , Of which coal is the main coal seam. The exploration area is composed of the Huaxia system and the Neo-Huaxia system. The exploration area is characterized by a multi-glyph structure (Figure 1) consisting of a series of parallel faults and the folding of the Huaxia system.