The deposits formed on the sea floor as sedimentary exhalative deposits (including volcanic exhalative sedimentation).The sediments arc composed of siderite, clastic carbonates and volcanic rocks.
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释义
矿床属海底喷流(含火山喷流)沈积成因,为菱铁矿和细碎屑岩-碳酸盐岩夹少量火山岩的沈积建造。
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