The structure, to be Built of gray sandstone, was to have more than 100 rooms.
这一建筑物有三层楼和一百多个房间，用灰白色的砂岩营造。
At a now-famous seaside outcrop on the eastern coast of Scotland, he saw nearly horizontal layers of red sandstone on top of completely vertical layers of a much different, gray sedimentary rock.
在现在著名的苏格兰东部海岸的海滨露岩上，他看到近乎水平的红色砂岩层位于与它非常不同的灰色沉积岩层的上面。
E2S2 is mainly the interbeds of gray medium-fine sandstone and dark gray mudstone in different thickness and with good reservoir properties.
沙二段岩性主要为灰色中细砂岩与深灰色泥岩不等厚互层，储层物性较好。
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