volcanic arc meaning in English
火山岛弧
火山弧
Examples
- Their structural environment is mainly volcanic arc
其构造环境主要为火山弧地区。 - Study on petrology , geochemistry and isotope chronology shows that the metallogenesis is closely related to granite - porphyry , which belongs to the early ordovician adakite formed in volcanic arc
花岗斑岩与成矿作用关系密切，从岩石学、岩石化学、年龄学等方面对花岗斑岩进行了研究，认为花岗斑岩属于志留世早期形成于火山弧环境的埃达克岩。 - 4 . it is the first time that eclogite conglomerates are discovered in maotangchan and fenghuangtai formations . this suggests that ultra - high pressure metamorphic rocks in the dabie orogenic belt exhumed to the earth ' s surface in lower cretaceous . the geochemistry data indicates that the protoliths of the eclogite gravels formed in a structure setting of volcanic arc
首次在毛坦厂组、凤凰台组中发现了榴辉岩砾石，这一发现表明大别造山带超高压变质岩在早白垩世已经折返到地表，而且地球化学研究表明这些榴辉岩砾石的原岩形成于岩浆岛弧构造背景。