parental magma meaning in English

母岩浆

This paper mainly summarizes the tectonic setting , common features , nature of the parental magmas , genesis of rhythmic layers of various types of layered intrusions , and the important roles that magma mixing and crustal contamination play in magma evolution
文中主要总结了不同类型层状岩体形成的构造背景、基本特征、母岩浆特征和韵律层理成因，以及岩浆混合和地壳混染在岩浆演化过程中起到的重要作用。
In the late stage of mineralization occurred in the hercynian period , a widespread strong modification of ores or mineralized rocks of early stage caused by intrusion of parental magma of granite - porphyry leads to further enrichment of gold element and eventual formation of the gold deposit
第二期成矿作用是在海西构造运动中，由于花岗斑岩原始岩浆的侵入活动使早期的矿石或矿化岩石受到较强烈改造，使其中的金得到进一步富集，从而构成了现在的矿体。