Chalk vs Marl

Chalk vs Marl Information

Earth’s outer layer is covered by rocks and these rocks have different physical and chemical properties. As two rocks are not same, it’s fun to compare them. You can also know more about Chalk and Marl Reserves. Chalk is a soft, white, powdery limestone consisting mainly of fossil shells of foraminifers. Marl is an unconsolidated sedimentary rock consisting of clay and lime. These rocks are composed of many distinct minerals. The process of formation of rocks is different for various rocks. Rocks are quarried from many years for various purposes. You can check out Chalk vs Marl information and Chalk vs Marl characteristics in the upcoming sections.

Chalk vs Marl Characteristics

Though some rocks look identical, they have certain characteristics which distinguish them from others. Characteristics of rocks include texture, appearance, color, fracture, streak, hardness etc. Chalk vs Marl characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Chalk and Properties of Marl. Learn more about Chalk vs Marl in the next section. The interior uses of Chalk include Decorative aggregates, Homes and Interior decoration whereas the interior uses of Marl include Decorative aggregates and Floor tiles. Due to some exceptional properties of Chalk and Marl, they have various applications in construction industry. The uses of Chalk in construction industry include As dimension stone, Cement manufacture, Construction aggregate, For road aggregate, Making natural cement, Raw material for manufacture of quicklime and slaked lime, Source of calcium and that of Marl include Cement manufacture, Construction aggregate, For road aggregate, Making natural cement, Raw material for the manufacture of mortar.

More about Chalk and Marl

Here you can know more about Chalk and Marl. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Chalk and Marl consists of mineral content and compound content. The mineral content of Chalk includes Calcite, Clay, Clay Minerals, Quartz, Sand and mineral content of Marl includes Calcite, Clay, Dolomite, Gypsum, Micas, Pyrite, Quartz. You can also check out the list of all Sedimentary Rocks. When we have to compare Chalk vs Marl, the texture, color and appearance plays an important role in determining the type of rock. Chalk is available in grey, white, yellow colors whereas, Marl is available in beige, brown, green, grey, white colors. Appearance of Chalk is Soft and that of Marl is Rough and Dull. Properties of rock is another aspect for Chalk vs Marl. The hardness of Chalk is 1 and that of Marl is 2-3. The types of Chalk are Not Available whereas types of Marl are Clay Marl ,Blue Marl, Red Marl, High Bank Marl, Shell Layer Marl, Under Shell Layer Marl, Sand Marl, Green Marl, Grey Marl and Clayey Marl. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Chalk and Marl is white. The specific heat capacity of Chalk is 0.90 kJ/Kg K and that of Marl is Not Available. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Chalk is heat resistant whereas Marl is heat resistant, impact resistant.