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Mylonite
Mylonite

Itacolumite
Itacolumite



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Mylonite
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Itacolumite

Mylonite vs Itacolumite

Definition

Definition

Mylonite is a metamorphic rock formed by ductile deformation during intense shearing encountered during folding and faulting, a process termed cataclastic or dynamic metamorphism
A yellow sandstone which is flexible when cut into thin strips

History

Origin

New Zealand
-

Discoverer

Unknown
Unknown

Etymology

From Greek mulōn mill + -ite
From the name of a mountain range where it was found; Itacolumi mountain in Brazil

Class

Metamorphic Rocks
Sedimentary Rocks

Sub-Class

Durable Rock, Medium Hardness Rock
Durable Rock, Hard Rock

Family

Group

-
-

Other Categories

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

Texture

Texture

Foliated
Clastic, Granular, Rough

Color

Black to Grey
Beige, Black, Brown, Cream, Dark Brown, Green, Grey, Light Green, Light to Dark Grey, Pink, Red, White, Yellow

Maintenance

Less
Less

Durability

Durable
Durable

Water Resistant

Scratch Resistant

Stain Resistant

Wind Resistant

Acid Resistant

Appearance

Dull, Banded and Foilated
Rough

Uses

Architecture

Interior Uses

Decorative Aggregates, Interior Decoration
Decorative Aggregates, Floor Tiles, Homes, Interior Decoration, Kitchens

Exterior Uses

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

Other Architectural Uses

Curbing
Curbing

Industry

Construction Industry

for Road Aggregate, Landscaping, Roadstone
Cement Manufacture, Construction Aggregate, for Road Aggregate, Production of Glass and Ceramics, Raw material for the manufacture of mortar

Medical Industry

-
-

Antiquity Uses

Artifacts, Monuments
Artifacts, Monuments, Sculpture

Other Uses

Commercial Uses

Creating Artwork, Gemstone, Jewelry
An Oil and Gas Reservoir, In aquifers, Petroleum reservoirs, Soil Conditioner, Source of Magnesia (MgO), Tombstones

Types

Types

Blastomylonites, Ultramylonites and Phyllonites
Sandstone

Features

Surfaces are often shiny
Available in Lots of Colors and Patterns, Generally rough to touch, Very fine grained rock

Archaeological Significance

Monuments

-
-

Famous Monuments

-
-

Sculpture

-
-

Famous Sculptures

-
-

Pictographs

-
-

Petroglyphs

-
-

Figurines

-
-

Fossils

Absent
Present

Formation

Formation

Mylonites are ductilely deformed rocks formed by the accumulation of large shear strain, in ductile fault zones.
Itacolumite is a sedimentary rock which forms from cemented sand-sized clasts and is a type of sandstone.

Composition

Mineral Content

Porphyroblasts
Calcite, Clay, Clay Minerals, Feldspar, Micas, Quartz

Compound Content

Aluminium Oxide, Calcium Sulfate, Chromium(III) Oxide, Iron(III) Oxide, Magnesium Carbonate, Silicon Dioxide
Aluminium Oxide, CaO, Iron(III) Oxide, Potassium Oxide, MgO, Sodium Oxide, Silicon Dioxide

Transformation

Metamorphism

Types of Metamorphism

-
-

Weathering

Types of Weathering

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

Erosion

Types of Erosion

Chemical Erosion, Sea Erosion, Wind Erosion
Chemical Erosion, Coastal Erosion, Wind Erosion

Properties

Physical Properties

Hardness

3-46-7
1 7
👆🏻

Grain Size

Fine Grained
Coarse or Fine

Fracture

Conchoidal
Conchoidal

Streak

White
White

Porosity

Highly Porous
Highly Porous

Luster

Shiny
Dull

Compressive Strength

1.28 N/mm295.00 N/mm2
0.15 450
👆🏻

Cleavage

Conchoidal
Perfect

Toughness

-
2.6

Specific Gravity

2.97-3.052.2-2.8
0 8.4
👆🏻

Transparency

Opaque
Opaque

Density

2.6-4.8 g/cm32.2-2.8 g/cm3
0 1400
👆🏻

Thermal Properties

Specific Heat Capacity

1.50 kJ/Kg K0.92 kJ/Kg K
0.14 3.2
👆🏻

Resistance

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

Reserves

Deposits in Eastern Continents

Asia

China, India, Indonesia, Saudi Arabia, South Korea
China, India, Kazakhstan, Mongolia, Russia, Uzbekistan

Africa

Eritrea, Ethiopia, Ghana, South Africa, Western Africa
Namibia, Nigeria, South Africa

Europe

England, Finland, France, Germany, Great Britain, Greece, United Kingdom
Austria, Denmark, Germany, Great Britain, Netherlands, Norway, Poland, Sweden, Switzerland, United Kingdom

Others

-
Greenland

Deposits in Western Continents

North America

USA
Canada, USA

South America

-
Brazil

Deposits in Oceania Continent

Australia

Central Australia, Western Australia
New South Wales, New Zealand

Mylonite vs Itacolumite 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 Mylonite and Itacolumite Reserves. Mylonite is a metamorphic rock formed by ductile deformation during intense shearing encountered during folding and faulting, a process termed cataclastic or dynamic metamorphism. A yellow sandstone which is flexible when cut into thin strips. 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 Mylonite vs Itacolumite information and Mylonite vs Itacolumite characteristics in the upcoming sections.

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

More about Mylonite and Itacolumite

Here you can know more about Mylonite and Itacolumite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Mylonite and Itacolumite consists of mineral content and compound content. The mineral content of Mylonite includes Porphyroblasts and mineral content of Itacolumite includes Calcite, Clay, Clay Minerals, Feldspar, Micas, Quartz. You can also check out the list of all Metamorphic Rocks. When we have to compare Mylonite vs Itacolumite, the texture, color and appearance plays an important role in determining the type of rock. Mylonite is available in black to grey colors whereas, Itacolumite is available in beige, black, brown, cream, dark brown, green, grey, light green, light to dark grey, pink, red, white, yellow colors. Appearance of Mylonite is Dull, Banded and Foilated and that of Itacolumite is Rough. Properties of rock is another aspect for Mylonite vs Itacolumite. The hardness of Mylonite is 3-4 and that of Itacolumite is 6-7. The types of Mylonite are Blastomylonites, Ultramylonites and Phyllonites whereas types of Itacolumite are Sandstone. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Mylonite and Itacolumite is white. The specific heat capacity of Mylonite is 1.50 kJ/Kg K and that of Itacolumite is 0.92 kJ/Kg K. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Mylonite is heat resistant, impact resistant, pressure resistant whereas Itacolumite is heat resistant, impact resistant, pressure resistant.