The intrusive rock is mainly Yanshan epoch basic-intermediate acidic veinrock.
侵入岩主要以燕山期基性-中基性为主。
2
In northwest of Jiaodong, there are three kinds of gold deposits known as altered rock type, quartz vein type and transitional type, all called Linglong Jiaojia type of gold deposit.
胶东西北部金矿床分为三种矿化类型，即蚀变岩型、石英脉型、过渡型，统称为玲珑—焦家式金矿。
3
Mineralization types are quartz vein and altered rock.