Those small granodiorite-porphyry intrusive b odies connect with the deep conceale d granite-porphyry bodies,which are the main source of metallogenic material and energy.

• 矿区广泛分布的花岗闪长斑岩小岩体与深部隐伏斑岩体断续连接,是成矿物质和热能的主要来源。