Sedimentation - exhalation siliceous rocks are of great significance in the study of ore deposits.
喷流-热水沉积硅质岩对于矿床研究具有重要意义.
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The main kinds of rocks include carbonate rocks , tuffite, siliceous rocks and quartz sand - stone.
主要岩石类型包括碳酸盐岩、沈积凝灰岩 、 矽质岩和石英砂岩.
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The thin bedded siliceous - rocks include chert and depositional quartz with textures of oolite and pebble.
矽质岩包括燧石和沈积石英岩,呈薄层状产出,沈积石英岩具鲕状、砾状结构.
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