1、
The major ores of this deposit have a banded ( streaky), pisolitic or oolitic structure.
条带（条纹）状和豆鲕状构造是本矿床的主要矿石构造。
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2、
their main mineral is kaolinite, usually in pisolitic, oolitic or clastic structure.
主要矿物是高岭石，常见豆状、鲕状和碎屑状构造。
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3、
microstructures of pisolitic and oolitic phosphorites and their genetic characteristics
鲕粒、豆粒磷块岩的显微结构和生成特点
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