perlite deposit
珍珠岩矿床
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广东的珍珠岩矿床主要产于粤东中生代火山盆地中，与沸石岩、膨润土密切共生，有多种工业类型，储量巨大。
The perlite deposits in Guangdong occur mainly in the Mesozoic volcanic basin of eastern Guangdong and coexist with zeolite and amargosite with various industrial types and huge sum of reserves.
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