Hornfels 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. Hornfels vs Marl characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Hornfels and Properties of Marl. Learn more about Hornfels vs Marl in the next section. The interior uses of Hornfels include Decorative aggregates, Flooring, Homes and Interior decoration whereas the interior uses of Marl include Decorative aggregates and Floor tiles. Due to some exceptional properties of Hornfels and Marl, they have various applications in construction industry. The uses of Hornfels in construction industry include For road aggregate, Roadstone and that of Marl include Cement manufacture, Construction aggregate, For road aggregate, Making natural cement, Raw material for the manufacture of mortar.
More about Hornfels and Marl
Here you can know more about Hornfels and Marl. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Hornfels and Marl consists of mineral content and compound content. The mineral content of Hornfels includes Andalusite and mineral content of Marl includes Calcite, Clay, Dolomite, Gypsum, Micas, Pyrite, Quartz. You can also check out the list of all Metamorphic Rocks. When we have to compare Hornfels vs Marl, the texture, color and appearance plays an important role in determining the type of rock. Hornfels is available in brown, dark greenish - grey, green, reddish brown colors whereas, Marl is available in beige, brown, green, grey, white colors. Appearance of Hornfels is Dull and that of Marl is Rough and Dull. Properties of rock is another aspect for Hornfels vs Marl. Hardness of Hornfels and Marl is 2-3. The types of Hornfels are Biotite hornfels 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 Hornfels is unknown while that of Marl is white. The specific heat capacity of Hornfels is 0.84 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.Hornfels is heat resistant, impact resistant, pressure resistant whereas Marl is heat resistant, impact resistant.