交代边 meaning in English

replacement rim

However , in the area with strong magma mingling , there are widespread abnormal fabrics , distinguished differences in the idiomophic - textures and the peritectic reaction , poililitic texture , metasomatism among the minerals , metasomatic border , embayment , rimmed structure , abnormal plagioclase zoning , relict fabric as well as the acicular apatite are very common
岩石的异常结构构造十分发育，矿物之间自形程度差异显著，常见包晶反应、包含结构、交代边、熔蚀边、交代蚕食的港湾状结构构造及交代缝合线、矿物镶边、斜长石异常环带和矿物残留等，多见指示岩浆混合的标志性矿物针状磷灰石。