volcanogenic deposit 火山成因矿床
volcanogenic mud 火山源泥
volcanogenic mineralization 火山成矿作用
volcanogenic deposits 火山成因矿床
volcanogenic sedimentation 火山沉积作用
volcanogenic ore deposit 火山成因矿床
They mainly belong to effusive facies, explosive facies and volcanogenic sedimentary facies.
其岩相主要为喷溢相、爆发相和火山沉积相。
With three types of volcanogenic clay rocks as examples, the natural gamma logging data are proved to be essential for finding and studying clay strata formed by volcanic events.
例举三种产状的火山成因粘土岩论证用自然伽玛测井资料寻找和研究火山事件粘土岩层的必要和优越性。
Volcanogenic—sedimentary ore deposits are situated at the top of volcanic eruption cycle;
火山沉积型矿床就位于火山喷发旋回顶部；
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