regional metamorphism

基本解釋

Through late regional metamorphism, the phosphorite was turned into the apatite deposit.
經(jīng)后期區(qū)域變質(zhì)作用使磷塊巖變質(zhì)成磷灰?guī)r礦床。
Regional metamorphism or migmatization could play role in gold remobilization from the source bed and concentration at some localities.
在區(qū)域變質(zhì)或混合巖化作用下，礦源層中的金可能發(fā)生活化、轉(zhuǎn)移并在局部富集。
The rhodonite deposit was for- med mainly through two stages, sedimentation and regional metamorphism, and its genetic type belongs to epithermal metamorphic facies.
薔薇輝石礦床的形成主要經(jīng)歷了沉積期和區(qū)域變質(zhì)期兩大階段。成因類型屬變質(zhì)巖型低溫變質(zhì)相薔薇輝石礦床。