Sedimentary Rocks Dolomite

  • Dolomite: A sedimentary rock known as dolostone or

    Dolomite, also known as "dolostone" and "dolomite rock," is a sedimentary rock composed primarily of the mineral dolomite, CaMg(CO 3) 2 Dolomite is found in sedimentary basins worldwide It is thought to form by the postdepositional alteration of lime mud and limestone by magnesium-rich groundwater Dolomite and limestone are very similar rocks

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  • Dolomite Rock - Sedimentary Rocks

    Dolomite or dolostone is a carbonate sedimentary rock containing more than 50% by weight of the mineral dolomite Dolomite rock may contain calcite, but the content of calcite should not exceed 10% of the calcite-dolomite pair’s content 3

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  • Sedimentary Rocks | Pictures, Characteristics, Textures, Types

    Dolomite (also known as "dolostone" and "dolomite rock") is a stone sedimentary rock that is very similar to limestone It is thought to form when limestone …

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  • Sedimentary rock - Limestones and dolomites | Britannica

    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 continue to be debated

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  • sedimentary rocks dolomite - fitinlinenl

    6 Carbonate Sedimentary Rocks 61 Introduction 6 Carbonate Sedimentary Rocks Carbonate rocks make up 20-25% sedimentary rocks and can be divided into Limestone composed mainly of calcite mineral CaCO 3 Dolomite composed mainly of dolomite mineralCaMg(CO 3) 2 Mesozoic and Cenozoic carbonates are mainly limestone

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  • Sedimentary rock - Wikipedia

    Most sedimentary rocks contain either quartz (especially siliciclastic rocks) or calcite (especially carbonate rocks) In contrast to igneous and metamorphic rocks, a sedimentary rock usually contains very few different major minerals However, the origin of the minerals in a sedimentary rock is often more complex than in an igneous rock

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  • Sedimentary rock - Carbonate rocks: limestones and

    Carbonate rocks: limestones and dolomites Limestones and dolostones (dolomites) make up the bulk of the nonterrigenous sedimentary rocks Limestones are for the most part primary carbonate rocks They consist of 50 percent or more calcite and aragonite (both CaCO 3)Dolomites are mainly produced by the secondary alteration or replacement of limestones; ie, the mineral dolomite [CaMg(CO 3) 2

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  • Limestone - Sedimentary rocks

    Limestone is a very common sedimentary rock consisting of calcium carbonate (more than 50%) It is the most common non-siliciclastic (sandstone and shale are common siliciclastic rocks) sedimentary rock Limestones are rocks that are composed of mostly calcium carbonate (minerals calcite or …

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  • Dolomitic Limestone - ScienceStruck

    Dolomite is also a sedimentary rock that consists mainly of magnesium calcium carbonate salts Magnesium is the main mineral found in dolomite Sometimes, limestone gets substituted by dolomite These rocks are known as dolomitic limestone

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  • Dolomite - Wikipedia

    Dolomite (/ ˈ d ɒ l ə m aɪ t /) is an anhydrous carbonate mineral composed of calcium magnesium carbonate, ideally CaMg(CO 3) 2 The term is also used for a sedimentary carbonate rock composed mostly of the mineral dolomite

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  • University of Minnesota’s Mineral Pages: Dolomite

    Other important dolomite occurrences include marble rocks formed from the alteration of sedimentary dolostone, and dolomite associated with altered ultramafic igneous rocks like serpentinite In sedimentary dolostones, dolomite is most often associated with calcite, aragonite, gypsum, anhydrite, chert, and halite

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  • dolomite sedimentary rock - shoppingemporiumcoza

    Limestone is a sedimentary rock composed largely of the minerals calcite and Our quartz, calcium carbonate, Silica Sand, kaolin, Dolomite, Ferro Silicon, Get Price

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  • Sedimentary Rock: Types and How They Are Formed?

    Sedimentary rocks are usually well exposed on the earth's surface and in water bodies as well Rock materials from pre-existing rocks (such as metamorphic, igneous and previously shaped sedimentary rocks) that have been eroded, weathered and compacted over time, make up sedimentary rocks

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  • Dolomitic sedimentary rocks - csmgeocsmjmuedu

    The consensus from most researchers is that virtually all dolomite is of secondary origin, which means all dolomite began as a calcitic rock (although this position is beginning to shift back the other way) There is a lot of field evidence that many of the dolomitic rocks …

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  • Rock Types - Dolomite

    Mineralogy: Contains a high proportion of dolomite (the mineral and the rock have the same name) Detrital minerals and secondary silica (chert) may be present Field relations: Dolomites are usually interbedded with other limestone s and are commonly associated salt and gypsium deposits

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  • Dolomites | Encyclopedia

    Dolomite is one of the few sedimentary rocks that undergoes a significant mineralogical change after it is deposited Dolomite rocks are originally deposited as calcite/aragonite-rich limestone, but during a process called diagenesis, the calcite and/or aragonite is transformed into dolomite

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  • Sedimentary Rocks - University of Kentucky

    Sedimentary Rocks Sedimentary rocks are the most abundant rock type exposed at the surface of the earth and cover about 99 percent of Kentucky (calcium carbonate), but may contain small amounts of clay, silt, chert, and dolomite Read more Dolostone Dolostone is a sedimentary rock composed chiefly of the mineral dolomite, which is

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  • What is the difference between dolomite and limestone? - Quora

    Dolomite, also known as "dolostone" and "dolomite rock," is a sedimentary rock composed primarily of the mineral dolomite, CaMg(CO3)2 Dolomite is found in sedimentary basins worldwide It is thought to form by the postdepositional alteration of lime mud and limestone by magnesium-rich groundwater

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  • limestone dolomite difference - perkinspreschool

    Jul 25, 2018 · Dolomite Rock - Sedimentary Rocks - Sandatlas The most common type of dolomite rock is a former limestone that was dolomitized This difference is generally believed to be the result of dolomite being Contact Us Agricultural Lime vs Dolomite Lime - Braen Stone

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  • Sedimentary Rocks - Columbia University

    Sedimentary rocks are the product of 1) weathering of preexisting rocks, 2) transport of the weathering products, 3) deposition of the material, followed by 4) compaction, and 5) …

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  • Sedimentary Rocks | Geology - Lumen Learning

    Sedimentary rocks formed by the crystallization of stone precipitates are called stone sedimentary rocks As discussed in the “Earth’s Minerals” chapter, dissolved ions in fluids precipitate out of the fluid and settle out, just like the halite in Figure 5

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  • What Are Sedimentary Rocks? - ThoughtCo

    Sedimentary rocks are rich in geologic history of a special kind While igneous and metamorphic rocks also have stories, they involve the deep Earth and require intensive work to decipher But in sedimentary rocks, you can recognize, in very direct ways, what the world was like in the geologic past

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  • Everything You Need to Identify Rocks

    Sedimentary rocks such as limestone or shale are hardened sediment with sandy or clay-like layers (strata) They are usually brown to gray in color and may have fossils and water or wind marks They are usually brown to gray in color and may have fossils and water or wind marks