Dolostone (dolomite) :: Rocks and Minerals.
Grey Country, Ontario: Impact of Geography on Humans. 2898 words (12 pages) Essay in Geography. n.d). As a result of lithification, these sediments were transformed into shale, slate, sandstone, dolostone and other sedimentary rocks over millions of years which were then warped and bent by the earths forces, forming the Niagara Escarpment.
Dolostone, grey to buff grey, commonly oolitic or granular, with subordinate mudstone, dolomitic siltstone and sandstone. Definition of Lower Boundary: At base of dolostone or dolomitic siltstone, overlying organic-rich mudstone (Marl Slate) or where that is absent, Permian basal sands and breccias.
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Dolostone is a common source for building materials because of its hardness and density. This includes things like concrete, asphalt, cement, and railroad ballast. Dolomite is also useful as a source of magnesium in glass and ceramics, and it is also useful for making steel. But building materials aren’t the only use of dolomite.
Sedimentary rock - Sedimentary rock - Limestones and dolomites: Limestones and dolomites are collectively referred to as carbonates because they consist predominantly of the carbonate minerals calcite (CaCO3) and dolomite (CaMg(CO3)2). Almost all dolomites are believed to be produced by recrystallization of preexisting limestones, although the exact details of this dolomitization process.
Sedimentary rocks are commonly grouped according to whether they are clastic, biochemical, or chemical. This works fine, except that it is not clear whether some limestones are biochemical or chemical, and it is not clear where to put dolostone, which is a common rock that often seems to have formed as a result of post-burial chemical alteration of limestone.