... 铁条打捆：banding 铁碳酸盐矿石：iron carbonate ore 铁素体组织：ferrite structure ...
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black band iron carbonate ore 黑泥碳酸铁矿
d iron carbonate ore 黑泥碳酸铁矿
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Ore-bearing rock formation mainly consists of fine clastic-carbonate rocks which are often associated with iron-rich dolomite.
中国东部古生界沉积—改造型铁矿床含矿岩系基本上由细碎屑—碳酸盐岩组成，而且常与富铁白云岩共生。
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