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.

大庙子金内金体以石英脉型为主,体的出受东西向挤压破碎带控制,花岗闪斜煌、辉绿是体的主要围。