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Metapelite
Metapelite

Shale
Shale



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Metapelite
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Shale

Metapelite vs Shale

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Definition

Definition

Metapelite is an old and currently not widely used field geological term for a clay rich fine-grained clastic sediment or sedimentary rock, i.e. mud or a mudstone
Shale is a fine-grained sedimentary rock which is formed by the compaction of silt and clay-size mineral particles

History

Origin

-
-

Discoverer

Unknown
Johann Gottlob Lehmann

Etymology

From Pelos or clay in Greek
From German Schalstein laminated limestone, and Schalgebirge layer of stone in stratified rock. From Old English scealu in its base sense of- thing that divides or separate,

Class

Metamorphic Rocks
Sedimentary Rocks

Sub-Class

Durable Rock, Medium Hardness Rock
Durable Rock, Medium Hardness Rock

Family

Group

-
-

Other Categories

Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock

Texture

Texture

Foliated
Clastic, Splintery

Color

Dark Greenish - Grey, Green, Light Green, Light Greenish Grey
Black, Brown, Buff, Green, Grey, Red, Yellow

Maintenance

Less
More

Durability

Durable
Durable

Water Resistant

Scratch Resistant

Stain Resistant

Wind Resistant

Acid Resistant

Appearance

Banded
Muddy

Uses

Architecture

Interior Uses

Decorative Aggregates, Interior Decoration
Decorative Aggregates, Homes, Interior Decoration

Exterior Uses

As Building Stone, As Facing Stone
As Building Stone, As Facing Stone, Office Buildings

Other Architectural Uses

Curbing
Curbing

Industry

Construction Industry

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

Medical Industry

-
-

Antiquity Uses

Artifacts
Artifacts, Sculpture

Other Uses

Commercial Uses

Commemorative Tablets, Creating Artwork
Creating Artwork, Pottery

Types

Types

Metamorphic rock
Red Shale, Black Shale, Green Shale, Grey Shale and Yellow Shale

Features

Easily splits into thin plates, It is One of the Oldest, Strongest and Hardest Rock
Easily splits into thin plates, Generally rough to touch, Very fine grained rock

Archaeological Significance

Monuments

-
-

Famous Monuments

-
Jantar Mantar in India

Sculpture

-
-

Famous Sculptures

-
-

Pictographs

-
-

Petroglyphs

-
-

Figurines

-
-

Fossils

Absent
Present

Formation

Formation

Due to change in environmental conditions, rocks are heated and pressurized deep inside the Earth's surface. Metapelite is formed from the extreme heat caused by magma or by the intense collisions and friction of tectonic plates.
Shale forms when very fine-grained clay particles are deposited in water which settle at the bottom of water bodies. They are later compacted hence forming shale.

Composition

Mineral Content

Albite, Chlorite, Quartz
Albite, Biotite, Calcite, Chert, Chlorite, Dolomite, Hematite, Micas, Muscovite or Illite, Pyrite, Quartz, Silica, Sulfides

Compound Content

Aluminium Oxide, CaO, MgO
Ca, Fe, Mg, Silicon Dioxide, Sodium

Transformation

Metamorphism

Types of Metamorphism

-
-

Weathering

Types of Weathering

Biological Weathering, Chemical Weathering, Mechanical Weathering
Biological Weathering, Chemical Weathering, Mechanical Weathering

Erosion

Types of Erosion

Chemical Erosion, Coastal Erosion, Water Erosion, Wind Erosion
Chemical Erosion, Coastal Erosion, Glacier Erosion

Properties

Physical Properties

Hardness

5-63
1 7
👆🏻

Grain Size

Medium to Fine Coarse Grained
Very fine-grained

Fracture

Fibrous
-

Streak

-
White

Porosity

Highly Porous
Highly Porous

Luster

Earthy
Dull

Compressive Strength

40.00 N/mm295.00 N/mm2
0.15 450
👆🏻

Cleavage

-
Slaty

Toughness

-
2.6

Specific Gravity

3.4-3.72.2-2.8
0 8.4
👆🏻

Transparency

Opaque
Opaque

Density

0-300 g/cm32.4-2.8 g/cm3
0 1400
👆🏻

Thermal Properties

Specific Heat Capacity

0.72 kJ/Kg K0.39 kJ/Kg K
0.14 3.2
👆🏻

Resistance

Heat Resistant, Impact Resistant, Pressure Resistant
Heat Resistant, Impact Resistant

Reserves

Deposits in Eastern Continents

Asia

-
Bangladesh, China, India, Russia

Africa

Western Africa
Ethiopia, Kenya, Morocco, South Africa, Tanzania

Europe

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

Others

-
-

Deposits in Western Continents

North America

-
USA

South America

Brazil, Colombia, Ecuador
Bolivia, Chile, Colombia, Ecuador, Peru, Venezuela

Deposits in Oceania Continent

Australia

Central Australia, Western Australia
New South Wales, New Zealand, Queensland, Victoria, Western Australia

Metapelite vs Shale 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 Metapelite and Shale Reserves. Metapelite is an old and currently not widely used field geological term for a clay rich fine-grained clastic sediment or sedimentary rock, i.e. mud or a mudstone. Shale is a fine-grained sedimentary rock which is formed by the compaction of silt and clay-size mineral particles. 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 Metapelite vs Shale information and Metapelite vs Shale characteristics in the upcoming sections.

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

More about Metapelite and Shale

Here you can know more about Metapelite and Shale. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Metapelite and Shale consists of mineral content and compound content. The mineral content of Metapelite includes Albite, Chlorite, Quartz and mineral content of Shale includes Albite, Biotite, Calcite, Chert, Chlorite, Dolomite, Hematite, Micas, Muscovite or Illite, Pyrite, Quartz, Silica, Sulfides. You can also check out the list of all Metamorphic Rocks. When we have to compare Metapelite vs Shale, the texture, color and appearance plays an important role in determining the type of rock. Metapelite is available in dark greenish - grey, green, light green, light greenish grey colors whereas, Shale is available in black, brown, buff, green, grey, red, yellow colors. Appearance of Metapelite is Banded and that of Shale is Muddy. Properties of rock is another aspect for Metapelite vs Shale. The hardness of Metapelite is 5-6 and that of Shale is 3. The types of Metapelite are Metamorphic rock whereas types of Shale are Red Shale, Black Shale, Green Shale, Grey Shale and Yellow Shale. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Metapelite is while that of Shale is white. The specific heat capacity of Metapelite is 0.72 kJ/Kg K and that of Shale is 0.39 kJ/Kg K. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Metapelite is heat resistant, impact resistant, pressure resistant whereas Shale is heat resistant, impact resistant.