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Non-Subduction Petrological Mechanisms for the Growth of the Neoarcheam Continental Crust of the Kola–Norwegian Terrane, Fennoscandian Shield: Geological and Isotope-Geochemical Evidence
Petrology ( IF 1.0 ) Pub Date : 2019-06-03 , DOI: 10.1134/s0869591119020073
A. B. Vrevskii

The paper reports new data on the composition and age of the Neoarchean calc-alkaline volcanic rocks of the Uraguba–Kolmozero–Voron’ya greenstone belt (UKV GB). Petrological-geochemical modeling indicates a polygenetic origin of primary melts of the basalt–andesite–dacite association and non-subduction geodynamic mechanisms for the crustal growth in the largest greenstone belt of the Kola–Norwegian Block of the Fennoscandian shield.

中文翻译:

非俯冲岩石机制的可拉–挪威地层新始祖大陆地壳的生长,芬诺斯堪的亚盾:地质和同位素-地球化学证据

该论文报道了乌拉圭-乌尔库巴-科尔莫泽罗-沃龙尼亚绿岩带(UKV GB)的新古宙钙碱性火山岩的成分和年龄的新数据。岩石地球化学模型表明,玄武岩-安山岩-达克特联合体的初生熔体具有多源成因,并且在芬诺斯堪的亚盾构的最大的绿岩带中,地壳生长的非俯冲地球动力学机制。
更新日期:2019-06-03
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