• Porosity Logs

    Limestone 47.6 – 43.5 156 – 143 156 Dolomite 43.5 143 143 Anhydrite 50 164 164 Salt 66.7 219 220 Casing (iron) 57 187 187. Sonic Secondary Effects • Environmental effects: – Enlarged borehole, formation fractures, gas in the borehole or formation, or improper centralization can produce signal attenuation

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  • What kind of rocks are limestone and dolomite?

    2008-11-27 · Carbonate rocks comprise between 10 to 15 percent of sedimentary rocks and are primarily comprised of two distinct types—limestones and dolostones. Limestones are primarily composed of calcite ...

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  • ROUND 5 TOSS-UP

    2015-11-23 · ANSWER: LIMESTONE (ACCEPT: ANY CARBONATE ROCK, CALCITE, OR DOLOMITE) BONUS 19) EARTH AND SPACE SCIENCE Multiple Choice Chemically, what is the difference between limestone and dolomite? W) Limestone is a carbonate rock containing only calcium, while dolomite contains both calcium and magnesium

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  • Sedimentary Rocks Quiz: Trivia Questions!

    2020-11-26 · This is a sedimentary rocks quiz trivia questions! Sedimentary rocks are made as a result of an accumulation of particles to form a rock. These rocks are formed as a result of different process and have different characteristics as well. In this quiz, you will get to test out the different types of sedimentary rocks, their formation as well as sizes. Give it a try and see how …

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  • What is Dolomitic Limestone? (with pictures)

    Dolomitic limestone is a type of rock that includes up to 50% dolomite. Normal limestone is primarily made up of calcite and aragonite, but dolomite forms in the stone when the calcium ions in the calcite part are replaced by magnesium ions — this process is called dolomitization. This type of rock was once referred to as magnesian limestone ...

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  • 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 …

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  • What happens when acid reacts with limestone? | …

    2008-6-15 · Answer. Limestone is mostly made up of the mineral calcium carbonate (CaCO3). This is not very soluble, so rocks don''t dissolve very quickly. But if you add an acid, you add hydrogen ions (H+), which will react with the …

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  • = Given that CNL = 30 pu (Apparent Limestone | Chegg

    Earth Sciences questions and answers = Given that CNL = 30 pu (Apparent Limestone Porosity) and Po = 2.30g/cm (P, = 1.0g/cm). Please identify: a). If the rock is a limestone-dolomite mixture, then what is the porosity of the rock and the percentage of each component.

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  • Dolomite Countertops: All you need to know

    2019-12-18 · Dolomite Countertops: Heat resistance. This is probably Dolomite countertops'' greatest strength over quartz, the engineered stone is offered in beautiful white and gray hues as well, and it is more resistant to scratches and stains than dolomite. But Quartz can''t take heat or sunlight, a hot pan will mark it for life.

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  • 71 questions with answers in DOLOMITE | Science topic

     · Question. 3 answers. Mar 9, 2021. Considering ideal XRD output for Dolomite and Calcite, there is an XRD peak at approximately 2.93 degrees 2-theta to the left (low angle) of each primary line ...

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  • CHAPTER 6

    2016-9-13 · Limestone, Dolomite, Etc.: All varieties in the Calcite-Dolomite horizontal column are possibe here. Clay Minerals or Clay-size Materials . Argillaceous Limestone, Etc.: All varieties in the Calcite-Dolomite hoizontal column are possible …

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  • MCQ Questions on Lithosphere with Answers | Lithosphere ...

    2021-5-4 · B. Limestone C. Peat D. Shale. Answer. Answer: Option B Explanation : Limestone is transformed into marble. When limestone is subjected to the heat and pressure of metamorphism, marble, a metamorphic rock, is formed. Marble is composed of calcite or CaCO3. The calcite in the limestone will recrystallize when under the conditions of metamorphism.

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  • Quick-look lithology from logs

    2019-3-12 · Dolomite should read about 3.0 barns/electron, providing an easy way to distinguish limestone from dolomite even if gas is present. Note that iron in ferroan dolomite increases readings to resemble limestone. Shale "Average" shale reads 3–3.5 barns/electron, but values up to 7 or 8 barns/electron can be obtained depending on iron content ...

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  • CHAPTER 6

    2021-10-20 · DOLOMITE - limestone altered by seawater becomes "enriched" in magnesium: has a composition of(Ca,Mg)(CO3)2; dolomite is important because it has "high porosity"; make good oil & gas reservoirs:~50% of the oil in the world comes from dolomite in Mideast region). CHERT (SiO 2) - a precipitate of silica. It has many forms, including: FLINT, AGATE ...

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  • Chapter 5 LIMESTONES

    2020-12-31 · Much dolomite is precipitated very early, however, at shallow depths in the originally calcium carbonate sediment, although much is also precipitated late, after deep burial has produced solid limestone. Material on dolostone (a carbonate rock consisting mainly of the mineral dolomite) is postponed until the later chapter on diagenesis.

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  • 165 questions with answers in LIMESTONE | Science topic

     · Explore the latest questions and answers in Limestone, and find Limestone experts. Questions (165) Publications (71,220) ... General lithology …

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  • What is pelletized dolomitic limestone?

    What is Dolomitic Limestone? (with pictures)

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  • R.K. Brow Glass Making

    2001-1-16 · dolomite: CaCO3•MgCO3→ CaO + MgO + CO2 (Such raw materials contribute their respective oxides to a glass composition). The weight of a glass is less than the weight of a batch Typically 12-20 wt% loss for a commercial melt Shelby tabulates ∆wt using his Gravimetric Factors (Gf): i.e., How much limestone is needed for 100 grams CaO?

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  • Which acid is suitable for complete dissolution of old ...

    Limestone and dolomite samples (10 fragments of each) were buried into different soil horizons, and after 7 years the loss in weight was measured and expressed in …

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  • What is pelletized dolomitic limestone?

    2020-5-8 · Super-Sod''s Pelletized Dolomitic Limestone is a dust-free, easy-to-spread limestone product that neutralizes soil acidity and is a major source of 2 secondary nutrients (calcium and magnesium). For instance, Centipede loves acid soils, so …

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  • How is Dolomite made?

    2012-12-5 · Best Answer. Copy. Dolomite is a type of limestone containing magnesium carbonate as well as the calcium carbonate of ordinary limestone. As …

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  • What Is Dolomite?

    Dolomite may form caves with stalagmites and stalactites. The mineral is similar in many respects to calcite or calcium carbonate (CaCO 3), which also forms rock deposits — limestone and chalk — or crystals. Like limestone, dolomite has …

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  • Is dolomite a carbonate?

    Dolomite is slightly harder than limestone. Dolomite has a Mohs hardness of 3.5 to 4, and limestone (composed of the mineral calcite) has a hardness of 3. Dolomite is slightly less soluble in dilute hydrochloric acid.

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  • Uses of limestone

    2021-12-14 · Limestone in powdered form is also used as a substance to absorb pollutants or control coal mine dust at many coal-mining facilities. Lime which is the byproduct of limestone is used to neutralize acids and treat wastewater, industrial sludge, animal waste, and water supplies. These are some popular uses of limestone.

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  • Dolomitic sedimentary rocks

    2000-10-26 · Limestone and dolomite are often found together, or closely associated, but their relationships are not always clear." Pure" dolomite resembles micrite, being a fine-grained carbonate rock with conchoidal fracture, although it can be slightly granular too.But dolomite is a secondary rock produced by the chemical alteration of any preexisting carbonate rock, so in …

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  • UPSC Geography

    Limestone is an organically formed sedimentary rock. In its pure state, limestone is made up of calcite or calcium carbonate but where magnesium is also present it is termed as dolomite. Limestone is soluble in rainwater. Conditions for the …

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  • What is lime | What is Calcium Carbonate | Types of lime ...

    2020-6-2 · But in the limestone the minerals containing calcium carbonate and magnesium carbonate in the equimolecular quantities then it is known as Dolomite which is denoted as [CaMg(Co3)2]. In pure limestone, if the present magnesite percentage is more than 45% then it is known as Dolomite. Impure / Kankar lime. It is an impure lime.

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  • Limestone

    2020-10-13 · Limestone mining and utilization in Missouri began in the mid 1800s. The amount mined prior to 1920 is not known for certain. Since that time, however, reliable statistics do indicate that 3.1 billion short tons of limestone having a present value of about $17.5 billion have been mined in Missouri from 1920 to present.

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  • Dolomite and dolomitization model

    2018-7-13 · involved.3 However, dolomite can also form as a secondary phase replacing the precursor mineral calcite (dolomitization process). The widely accepted hypothesis of dolomitization is that limestone is transformed into dolomite by the dissolution of calcite followed by dolomite precipitation.4 That dolomite grows at the expense of

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