Eodiagenesis is characterized by the assemblage of carbonate - analcime - anhydrite, while authigenic kaolinite is found in some strata.
淺埋藏期以碳酸鹽 ～ 沸石 ～ 硬石膏組合為特征.
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Prismatic crystals of Natrolite on Analcime, forming an interesting cluster, Together with Hematite included Thomsonite.
柱狀的鈉沸石在方沸石上, 有著像是放射狀的晶簇.與內含赤鐵礦而成紅色的桿沸石.
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