intrusive 专八

The orebodies occur within or near the exocontact of intrusive rocks and above the hidden igneous rocks.

金岩体外接触带及其附近和隐伏岩体上方。

Rossing uranium mine is the only operating uranium mine in the world where the uranium occurs in intrusive alaskite.

罗辛铀山是目前世界上惟一尚在运营中的侵入体白岗岩型铀。