我们所看到的石灰岩层高达一千米，而宽却只有几米，沿着沙漠底部和沙丘间的山谷分布。
They're up to a kilometer long, but only a few meters wide, and they're scattered along the desert floor, in valleys between the dunes.
上图：卫生间是以前的主人装修的，有非常可爱的石灰石地砖。
Image above: the bathroom was put in by the previous owners and has a lovely lime stone floor.
原生孔隙度以砂岩粒问孔隙度和某些石灰石的晶体粒间和鲕状孔隙度为代表。
Original porosity is typified by the intergranular porosity of sandstones and the intercrystalline and oolitic porosity of some limestones.
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