Charnockite

Marl

Charnockite vs Marl

Charnockite

Marl

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Definition

Charnockite is a variety of granite containing minerals like orthopyroxene, quartz, and feldspar

Marl is an unconsolidated sedimentary rock consisting of clay and lime

History

Origin

Tamil Nadu, India

Discoverer

T. H. Holland

William Smith

Etymology

From Job Charnock, an administtrator of East India Company

From Old French marle, from Late Latin marglia

Class

Igneous Rocks

Sedimentary Rocks

Sub-Class

Durable Rock, Hard Rock

Durable Rock, Soft Rock

Family

Group

Plutonic

Other Categories

Coarse Grained Rock, Opaque Rock

Fine Grained Rock, Opaque Rock

Texture

Granular

Earthy

Color

Black, Grey, Orange, Pink, White

Beige, Brown, Green, Grey, White

Maintenance

Less

Durability

Durable

Water Resistant

✔ ✘

Scratch Resistant

✔ ✘

Stain Resistant

✔ ✘

Wind Resistant

✔ ✘

Acid Resistant

✔ ✘

Appearance

Veined or Pebbled

Rough and Dull

Uses

Architecture

Interior Uses

Bathrooms, Countertops, Decorative Aggregates, Entryways, Floor Tiles, Homes, Hotels, Kitchens, Stair Treads

Decorative Aggregates, Floor Tiles

Exterior Uses

As Building Stone, As Facing Stone, Bridges, Paving Stone, Garden Decoration, Office Buildings, Resorts

As Building Stone, Roof Tiles

Other Architectural Uses

Curbing

Industry

Construction Industry

As Dimension Stone

Cement Manufacture, Construction Aggregate, for Road Aggregate, Making natural cement, Raw material for the manufacture of mortar

Medical Industry

Antiquity Uses

Artifacts, Monuments, Sculpture, Small Figurines

Artifacts, Jewellery, Sculpture, Small Figurines

Other Uses

Commercial Uses

Curling, Gemstone, Laboratory bench tops, Tombstones

Creating Artwork, Soil Conditioner

Types

Enderbite

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

Features

Available in Lots of Colors and Patterns, It is One of the Oldest, Strongest and Hardest Rock

Generally rough to touch, Is one of the oldest rock, Splintery, Very fine grained rock

Archaeological Significance

Monuments

Famous Monuments

Sculpture

Famous Sculptures

Pictographs

Petroglyphs

Figurines

Fossils

Absent

Present

Formation

Charnockite is an intrusive igneous rock which is very hard and is formed due to weathering of existing rocks.

Marl forms when very fine-grained clay particles are deposited in water which settles at the bottom of water bodies and are compacted by overlying sediment; the water squeezes out and hence forming Marl rock.

Composition

Mineral Content

Amphibole, Biotite, Feldspar, Hornblade, Micas, Muscovite or Illite, Olivine, Plagioclase, Pyroxene, Quartz

Calcite, Clay, Dolomite, Gypsum, Micas, Pyrite, Quartz

Compound Content

Aluminium Oxide, CaO, Iron(III) Oxide, FeO, Potassium Oxide, MgO, MnO, Sodium Oxide, Phosphorus Pentoxide, Silicon Dioxide, Titanium Dioxide

Aluminium Oxide, NaCl, CaO, Iron(III) Oxide, Silicon Dioxide

Transformation

Metamorphism

✔ ✘

Types of Metamorphism

Burial Metamorphism, Contact Metamorphism, Regional Metamorphism

Weathering

✔ ✘

Types of Weathering

Biological Weathering

Biological Weathering, Chemical Weathering

Erosion

✔ ✘

Types of Erosion

Chemical Erosion, Water Erosion, Wind Erosion

Chemical Erosion, Coastal Erosion, Water Erosion, Wind Erosion

Properties

Physical Properties

Hardness

6-72-3

1 7

👆🏻

Grain Size

Coarse Grained

Very fine-grained

Fracture

Conchoidal

Streak

White

Porosity

Very Less Porous

Highly Porous

Luster

Dull

Compressive Strength

190.00 N/mm²30.00 N/mm²

0.15 450

👆🏻

Cleavage

Toughness

2.6

Specific Gravity

-99992.2-2.8

0 8.4

👆🏻

Transparency

Opaque

Density

2.6 g/cm³2.4-2.8 g/cm³

0 1400

👆🏻

Thermal Properties

Specific Heat Capacity

0.84 kJ/Kg K0.80 kJ/Kg K

0.14 3.2

👆🏻

Resistance

Heat Resistant, Wear Resistant

Heat Resistant, Impact Resistant

Reserves

Deposits in Eastern Continents

Asia

India

India, Pakistan, Russia

Africa

East Africa, Ethiopia, Madagascar, Morocco, Mozambique

Ethiopia, Kenya, Morocco, South Africa

Europe

Albania, Romania, Scotland, United Kingdom

Austria, France, Germany, Greece, Italy, Romania, Scotland, Spain, Switzerland

Others

Deposits in Western Continents

North America

USA

South America

Brazil, Colombia, Venezuela

Colombia, Ecuador, Peru

Deposits in Oceania Continent

Australia

Central Australia, Western Australia

New South Wales, Victoria, Western Australia

Charnockite 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 Charnockite and Marl Reserves. Charnockite is a variety of granite containing minerals like orthopyroxene, quartz, and feldspar. 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 Charnockite vs Marl information and Charnockite vs Marl characteristics in the upcoming sections.

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

More about Charnockite and Marl

Here you can know more about Charnockite and Marl. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Charnockite and Marl consists of mineral content and compound content. The mineral content of Charnockite includes Amphibole, Biotite, Feldspar, Hornblade, Micas, Muscovite or Illite, Olivine, Plagioclase, Pyroxene, Quartz and mineral content of Marl includes Calcite, Clay, Dolomite, Gypsum, Micas, Pyrite, Quartz. You can also check out the list of all Igneous Rocks. When we have to compare Charnockite vs Marl, the texture, color and appearance plays an important role in determining the type of rock. Charnockite is available in black, grey, orange, pink, white colors whereas, Marl is available in beige, brown, green, grey, white colors. Appearance of Charnockite is Veined or Pebbled and that of Marl is Rough and Dull. Properties of rock is another aspect for Charnockite vs Marl. The hardness of Charnockite is 6-7 and that of Marl is 2-3. The types of Charnockite are Enderbite 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 Charnockite and Marl is white. The specific heat capacity of Charnockite is 0.84 kJ/Kg K and that of Marl is 0.80 kJ/Kg K. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Charnockite is heat resistant, wear resistant whereas Marl is heat resistant, impact resistant.