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；
The metallogenetic models of normal sedimentary iron ore deposits which have been used in many textbooks are questionable.
国内外一些文章和教科书上的沉积铁矿床的成矿模式是值得商榷的。
The Shishan and Fengshan deposits, two main ore deposits in the Yimen copper ore district, were long considered to be of terrigenous metamorphosed sedimentary origin.
长期以来，云南易门铜矿区中的狮山和凤山铜矿床被认为是陆源沉积变质成因。
Anshan Xiaolingzi iron ore belongs to the sedimentary metamorphic iron deposits with characteristics of fine iron minerals and low magnetic rate, and it is a refractory iron ore.
鞍山小岭子铁矿系沉积变质矿床，铁矿物嵌布粒度细，磁性率低，属较难选铁矿。
Hydrothermal sedimentary silicalite studies are important for ore deposits.
热水沉积硅质岩对于矿床研究具有重要意义。
Hydrothermal sedimentary silicalite studies are important for ore deposits.
热水沉积硅质岩对于矿床研究具有重要意义。
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