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[期刊论文] 作者：马喆生,李国武,施倪承,周湖云,叶大年,D.YU.PUSHC,
来源：中国科学D辑 年份：2004
The crystal structure of astrophyllite K2Na(Fe, Mn, Mg, □)7[Ti2(Si 4O12)2|O3](OH, F)4 has been refined. The dimensions of the triclinic unit cell are: a = 0.53...
K-bentonite beds and high-resolution integrated strati-graphy of the uppermost Ordovician Wufeng and
[期刊论文] 作者：苏文博,何龙清,王永标,龚淑云,周湖云,
来源：中国科学D辑 年份：2004
More than 20 K-bentonite beds were discovered from the Wufeng Formation and the lowest Longmaxi Formation in two sections, both adjacent to the Ordovician-Silur...
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