Marl

Charnockite

Marl vs Charnockite

Marl

Charnockite

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Definition

Marl is an unconsolidated sedimentary rock consisting of clay and lime

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

History

Origin

Tamil Nadu, India

Discoverer

William Smith

T. H. Holland

Etymology

From Old French marle, from Late Latin marglia

From Job Charnock, an administtrator of East India Company

Class

Sedimentary Rocks

Igneous Rocks

Sub-Class

Durable Rock, Soft Rock

Durable Rock, Hard Rock

Family

Group

Plutonic

Other Categories

Fine Grained Rock, Opaque Rock

Coarse Grained Rock, Opaque Rock

Texture

Earthy

Granular

Color

Beige, Brown, Green, Grey, White

Black, Grey, Orange, Pink, White

Maintenance

Less

Durability

Durable

Water Resistant

✔ ✘

Scratch Resistant

✔ ✘

Stain Resistant

✔ ✘

Wind Resistant

✔ ✘

Acid Resistant

✔ ✘

Appearance

Rough and Dull

Veined or Pebbled

Uses

Architecture

Interior Uses

Decorative Aggregates, Floor Tiles

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

Exterior Uses

As Building Stone, Roof Tiles

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

Other Architectural Uses

Curbing

Industry

Construction Industry

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

As Dimension Stone

Medical Industry

Antiquity Uses

Artifacts, Jewellery, Sculpture, Small Figurines

Artifacts, Monuments, Sculpture, Small Figurines

Other Uses

Commercial Uses

Creating Artwork, Soil Conditioner

Curling, Gemstone, Laboratory bench tops, Tombstones

Types

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

Enderbite

Features

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

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

Archaeological Significance

Monuments

Famous Monuments

Sculpture

Famous Sculptures

Pictographs

Petroglyphs

Figurines

Fossils

Present

Absent

Formation

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.

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

Composition

Mineral Content

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

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

Compound Content

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

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

Transformation

Metamorphism

✔ ✘

Types of Metamorphism

Burial Metamorphism, Contact Metamorphism, Regional Metamorphism

Weathering

✔ ✘

Types of Weathering

Biological Weathering, Chemical Weathering

Biological Weathering

Erosion

✔ ✘

Types of Erosion

Chemical Erosion, Coastal Erosion, Water Erosion, Wind Erosion

Chemical Erosion, Water Erosion, Wind Erosion

Properties

Physical Properties

Hardness

2-36-7

1 7

👆🏻

Grain Size

Very fine-grained

Coarse Grained

Fracture

Conchoidal

Streak

White

Porosity

Highly Porous

Very Less Porous

Luster

Dull

Compressive Strength

30.00 N/mm²190.00 N/mm²

0.15 450

👆🏻

Cleavage

Toughness

2.6

Specific Gravity

2.2-2.8-9999

0 8.4

👆🏻

Transparency

Opaque

Density

2.4-2.8 g/cm³2.6 g/cm³

0 1400

👆🏻

Thermal Properties

Specific Heat Capacity

0.80 kJ/Kg K0.84 kJ/Kg K

0.14 3.2

👆🏻

Resistance

Heat Resistant, Impact Resistant

Heat Resistant, Wear Resistant

Reserves

Deposits in Eastern Continents

Asia

India, Pakistan, Russia

India

Africa

Ethiopia, Kenya, Morocco, South Africa

East Africa, Ethiopia, Madagascar, Morocco, Mozambique

Europe

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

Albania, Romania, Scotland, United Kingdom

Others

Deposits in Western Continents

North America

USA

South America

Colombia, Ecuador, Peru

Brazil, Colombia, Venezuela

Deposits in Oceania Continent

Australia

New South Wales, Victoria, Western Australia

Central Australia, Western Australia

Marl vs Charnockite 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 Charnockite Reserves. Marl is an unconsolidated sedimentary rock consisting of clay and lime. Charnockite is a variety of granite containing minerals like orthopyroxene, quartz, and feldspar. 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 Charnockite information and Marl vs Charnockite characteristics in the upcoming sections.

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Marl vs Charnockite 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 Charnockite characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Marl and Properties of Charnockite. Learn more about Marl vs Charnockite in the next section. The interior uses of Marl include Decorative aggregates and Floor tiles whereas the interior uses of Charnockite include Bathrooms, Countertops, Decorative aggregates, Entryways, Floor tiles, Homes, Hotels, Kitchens and Stair treads. Due to some exceptional properties of Marl and Charnockite, 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 Charnockite include As dimension stone.

More about Marl and Charnockite

Here you can know more about Marl and Charnockite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Marl and Charnockite consists of mineral content and compound content. The mineral content of Marl includes Calcite, Clay, Dolomite, Gypsum, Micas, Pyrite, Quartz and mineral content of Charnockite includes Amphibole, Biotite, Feldspar, Hornblade, Micas, Muscovite or Illite, Olivine, Plagioclase, Pyroxene, Quartz. You can also check out the list of all Sedimentary Rocks. When we have to compare Marl vs Charnockite, 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, Charnockite is available in black, grey, orange, pink, white colors. Appearance of Marl is Rough and Dull and that of Charnockite is Veined or Pebbled. Properties of rock is another aspect for Marl vs Charnockite. The hardness of Marl is 2-3 and that of Charnockite is 6-7. 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 Charnockite are Enderbite. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Marl and Charnockite is white. The specific heat capacity of Marl is 0.80 kJ/Kg K and that of Charnockite is 0.84 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 Charnockite is heat resistant, wear resistant.