名词
中文翻译：蓝灰色砂岩
同义词：
['blue-grey sandstone', 'glauconitic limestone例句：1. The glauconitic sandstone is a rare mineral that has been found in the area.（这种蓝灰色砂岩是一种在该地区发现的稀有矿物。）']
例句：
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1. The glauconitic sandstone is a rare mineral that has been found in the area.
这种蓝灰色砂岩是一种在该地区发现的稀有矿物。
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2.The glauconitic sandstone is used in construction for its durability and strength.
这种蓝灰色砂岩因其耐用性和强度而被用于建筑施工。
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3. The glauconitic sandstone was formed millions of years ago by the erosion of ancient rocks.
这种蓝灰色砂岩是在数百万年前由古代岩石的侵蚀形成的。