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Angwa Sandstone Formation : ウィキペディア英語版 | Angwa Sandstone Formation
The Angwa Sandstone Formation is a geological formation of the mid-Triassic, consisting mainly of sandstone. ==Geology== The formation is a sedimentary unit, consisting mainly of fluvial sands and silts. It has been dated as covering rocks from much of the Triassic, with pollen and flora identified from the Induan, and Ladinian to Norian.〔
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