The Pengjiakuang gold deposit is a new type discovered in East Shandong, which occurs in interstratified glide breccia of the Jinshan Group parametamorphic rock series in the Mesozoic Jiaolai Basin.

• 蓬家夼金矿是山东乳山地区新发现的金矿类型，受荆山群中的构造角砾岩系控制，沿胶莱盆地边缘莱阳组砾岩与荆山群副变质岩的构造接触带分布。