Marl vs Chalk

Marl vs Chalk 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 Marl and Chalk Reserves. Marl is an unconsolidated sedimentary rock consisting of clay and lime. Chalk is a soft, white, powdery limestone consisting mainly of fossil shells of foraminifers. 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 Marl vs Chalk information and Marl vs Chalk characteristics in the upcoming sections.

Marl vs Chalk 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. Marl vs Chalk characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Marl and Properties of Chalk. Learn more about Marl vs Chalk in the next section. The interior uses of Marl include Decorative aggregates and Floor tiles whereas the interior uses of Chalk include Decorative aggregates, Homes and Interior decoration. Due to some exceptional properties of Marl and Chalk, they have various applications in construction industry. The uses of Marl in construction industry include Cement manufacture, Construction aggregate, For road aggregate, Making natural cement, Raw material for the manufacture of mortar and that of Chalk 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.

More about Marl and Chalk

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