early-formed mineral meaning in Chinese

先成矿物

The north - eastern structural zones which become intensity from the western part to the eastern one in gansu show a influence of marginal - west pacific indosinian - yanshan tectonic - magmatic belt on the western part of china ' s continent , and not only a important regional metallization had developed but also early - formed minerals were intense changed and enriched with the tectonic - magmatic activity
甘肃境内由西向东增强的北东向构造带，是我国东部滨西太平洋印支-燕山期构造岩浆活动带向大陆西部的延伸表现；伴随该期构造-岩浆活动，区内发生了重要的区域性成矿作用，并使处于该期构造活动带的先期金属矿产遭受了较强的叠加与再生改造。