The study of REE shows that the magmatype related to copper deposits is syntectic type, and that to silver polymetallic deposits is mainly re-melting type.
稀土元素表明，与铜矿有关的岩浆为同熔型，而与银多金属矿有关的为地壳重熔型。
2
In addition, researchers found that the magma is made of dacite, a type of rock that's a precursor to granite.
另外，研究者发现这里的岩浆的成分是英安岩而不是构成夏威夷主体的玄武岩。英安岩是花岗岩的前身。
3
The mine is the earliest discovered broken belt altered rock type gold deposit, it belongs to remelting magma mesothermal type.