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
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；
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。
Volcanogenic massive sulfide deposits occur widely in the ophiolite of the Erlangping Group of the Eastern Qinling Mountains.
东秦岭二郎坪群蛇绿岩中广泛发育火山成因块状硫化物矿床。
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