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The Longyan kaolin deposit in Fujian province, is of weathering residual type of altered granite.
福建龙岩高岭土矿床是蚀变花岗岩风化残余型矿床。
youdao
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The Longyan kaolin deposit in Fujian province, is of weathering residual type of altered granite.
福建龙岩高岭土矿床是蚀变花岗岩风化残余型矿床。
youdao