成矿流体在运移和喷出过程中由于温度的降低而发生钾交代作用。
关于华北克拉通燕山期岩石圈减薄的机制与过程的讨论:是拆沉,还是热侵蚀和化学交代?
记者参与了审讯过程,王某交代得很快,多次说对不起远在阜阳乡下劳作的父母。
地层倾角较大,溶洞发育,裂隙纵横交错,部分被硅质、破酸盐所交代。
大别超高压变质过程中流体作用的微量元素效应及其地球化学意义
1·The wide spatial and temporal distribution of alkaline magmatism shows that mantle metasomatism is a widespread, long-lived and continuous geological process.
碱性岩浆作用广泛的时空分布表明,地幔交代作用是广泛的,并且是长期的一种地质作用。
2·The silicon-rich mineralizing fluid process is a continuation of mineralization led by the mantle fluid metasomatism in crust.
因此,富硅成矿流体作用实质上是地幔流体交代作用在地壳内成矿作用中的延续。
3·The REE distribution of serpentinized peridotite in ultrabasic rocks is the characteristic of U-type, showing that it was the LREE enriched residual mantle experienced in mantle metasomatism.
变超基性岩蛇纹石化橄榄岩的稀土元素配分具典型的U形特征,显示为具地幔交代作用的LREE富集地幔残余。
4·Continental mantle metasomatism: a precursory event of platform activation?
大陆地幔交代作用:地台活化的先驱事件?