单词	dolostone
释义	dolostone /ˈdɒləstəʊn / noun [mass noun] Geology Rock consisting of dolomite.For petroleum engineering, this development is the most important aspect, especially when comparing limestone with dolostone sequences.... The entire north area consists of Quaternary sediments, while the surrounding uplands are dolostone, limestone, and sandstone of upper Silurian to lower Devonian origin, plus associated till. The canyon system cuts down through marine sandstone, siltstone and dolostone. Origin Mid 20th century: from dolomite + stone.
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