Gold quartz vein is the major orebody which is controlled by E-W-extrusion fracture zone in the Damiaozi gold mineralized district.The granite-porphyry,spessartite and diabase are the major wallrock.

大庙子金化区内金体以石英脉型,体的出受西挤压破碎带控制,花岗斑岩和闪斜煌斑岩、辉绿岩是体的要围岩。