Mylonite

Lherzolite

Mylonite vs Lherzolite

Mylonite

Lherzolite

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1 Definition

1.1 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

Lherzolite is a type of ultramafic igneous rock which contains essential olivine and clinopyroxene and orthopyroxene in equal proportions

1.2 History

1.2.1 Origin

New Zealand

France

1.2.2 Discoverer

Unknown

1.3 Etymology

From Greek mulōn mill + -ite

From the Lherz Massif, an alpine peridotite complex, at Étang de Lers, near Massat in the French Pyrenees; Lherz is the archaic spelling of this location

1.4 Class

Metamorphic Rocks

Igneous Rocks

1.4.1 Sub-Class

Durable Rock, Medium Hardness Rock

Durable Rock, Hard Rock

1.5 Family

1.5.1 Group

Not Applicable

Plutonic

1.6 Other Categories

Fine Grained Rock, Opaque Rock

2 Texture

2.1 Texture

Foliated

Grenue

2.2 Color

Black to Grey

Black, Dark Greenish - Grey, Green, Pink, Purple

2.3 Maintenance

Less

2.4 Durability

Durable

2.4.1 Water Resistant

✔ ✘

2.4.2 Scratch Resistant

✔ ✘

2.4.3 Stain Resistant

✔ ✘

2.4.4 Wind Resistant

✔ ✘

2.4.5 Acid Resistant

✔ ✘

2.5 Appearance

Dull, Banded and Foilated

Glassy, Vesicular and Foilated

3 Uses

3.1 Architecture

3.1.1 Interior Uses

Decorative Aggregates, Interior Decoration

Decorative Aggregates, Entryways, Homes, Interior Decoration

3.1.2 Exterior Uses

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

As Building Stone, As Facing Stone, Office Buildings

3.1.3 Other Architectural Uses

Curbing

3.2 Industry

3.2.1 Construction Industry

for Road Aggregate, Landscaping, Roadstone

Landscaping, Manufacture of Magnesium and Dolomite Refractories, Used for flooring, stair treads, borders and window sills.

3.2.2 Medical Industry

Not Yet Used

3.3 Antiquity Uses

Artifacts, Monuments

Artifacts, Sculpture

3.4 Other Uses

3.4.1 Commercial Uses

Creating Artwork, Gemstone, Jewelry

As armour rock for sea walls, Source of Magnesia (MgO), Used in aquariums

4 Types

4.1 Types

Blastomylonites, Ultramylonites and Phyllonites

Garnet Lherzolite

4.2 Features

Surfaces are often shiny

Host Rock for Lead

4.3 Archaeological Significance

4.3.1 Monuments

Used

Not Yet Used

4.3.2 Famous Monuments

Data Not Available

Not Applicable

4.3.3 Sculpture

Used

4.3.4 Famous Sculptures

Data Not Available

4.3.5 Pictographs

Used

Not Used

4.3.6 Petroglyphs

Used

Not Used

4.3.7 Figurines

Used

4.4 Fossils

Absent

5 Formation

5.1 Formation

Mylonites are ductilely deformed rocks formed by the accumulation of large shear strain, in ductile fault zones.

Lherzolite is a fine-grained, hard rock which is a type of metasomatite, essentially altered basalt. It forms with or without crystallization, either below the surface as intrusive rocks or on the surface as extrusive rocks.

5.2 Composition

5.2.1 Mineral Content

Porphyroblasts

Harzburgite, Olivine, Pyroxene, Pyrrhotite

5.2.2 Compound Content

Aluminium Oxide, Calcium Sulfate, Chromium(III) Oxide, Iron(III) Oxide, Magnesium Carbonate, Silicon Dioxide

CaO, Cr, Chromium(III) Oxide, MgO

5.3 Transformation

5.3.1 Metamorphism

✔ ✘

5.3.2 Types of Metamorphism

Not Applicable

Cataclastic Metamorphism, Contact Metamorphism

5.3.3 Weathering

✔ ✘

5.3.4 Types of Weathering

Biological Weathering, Chemical Weathering, Mechanical Weathering

5.3.5 Erosion

✔ ✘

5.3.6 Types of Erosion

Chemical Erosion, Sea Erosion, Wind Erosion

Chemical Erosion, Water Erosion, Wind Erosion

6 Properties

6.1 Physical Properties

6.1.1 Hardness

3-46.5

1 7

6.1.2 Grain Size

Fine Grained

6.1.3 Fracture

Conchoidal

6.1.4 Streak

White

6.1.5 Porosity

Highly Porous

Less Porous

6.1.6 Luster

Shiny

Subvitreous to Dull

6.1.7 Compressive Strength

1.28 N/mm²290.00 N/mm²

0.15 450

6.1.8 Cleavage

Conchoidal

Perfect

6.1.9 Toughness

Not Available

2.7

6.1.10 Specific Gravity

2.97-3.052.86

0 8.4

6.1.11 Transparency

Opaque

6.1.12 Density

2.6-4.8 g/cm³2.8-2.9 g/cm³

0 1400

6.2 Thermal Properties

6.2.1 Specific Heat Capacity

1.50 kJ/Kg K0.95 kJ/Kg K

0.14 3.2

6.2.2 Resistance

Heat Resistant, Impact Resistant, Pressure Resistant

Heat Resistant, Impact Resistant, Pressure Resistant, Wear Resistant

7 Reserves

7.1 Deposits in Eastern Continents

7.1.1 Asia

China, India, Indonesia, Saudi Arabia, South Korea

Russia, South Korea

7.1.2 Africa

Eritrea, Ethiopia, Ghana, South Africa, Western Africa

Western Africa

7.1.3 Europe

England, Finland, France, Germany, Great Britain, Greece, United Kingdom

United Kingdom

7.1.4 Others

Not Yet Found

7.2 Deposits in Western Continents

7.2.1 North America

USA

7.2.2 South America

Not Yet Found

7.3 Deposits in Oceania Continent

7.3.1 Australia

Central Australia, Western Australia

Mylonite vs Lherzolite 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 Lherzolite 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. Lherzolite is a type of ultramafic igneous rock which contains essential olivine and clinopyroxene and orthopyroxene in equal proportions. 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 Lherzolite information and Mylonite vs Lherzolite characteristics in the upcoming sections.

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Mylonite vs Lherzolite 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 Lherzolite characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Mylonite and Properties of Lherzolite. Learn more about Mylonite vs Lherzolite in the next section. The interior uses of Mylonite include Decorative aggregates and Interior decoration whereas the interior uses of Lherzolite include Decorative aggregates, Entryways, Homes and Interior decoration. Due to some exceptional properties of Mylonite and Lherzolite, they have various applications in construction industry. The uses of Mylonite in construction industry include For road aggregate, Landscaping, Roadstone and that of Lherzolite include Landscaping, Manufacture of magnesium and dolomite refractories, Used for flooring, stair treads, borders and window sills..

More about Mylonite and Lherzolite

Here you can know more about Mylonite and Lherzolite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Mylonite and Lherzolite consists of mineral content and compound content. The mineral content of Mylonite includes Porphyroblasts and mineral content of Lherzolite includes Harzburgite, Olivine, Pyroxene, Pyrrhotite. You can also check out the list of all . When we have to compare Mylonite vs Lherzolite, the texture, color and appearance plays an important role in determining the type of rock. Mylonite is available in black to grey colors whereas, Lherzolite is available in black, dark greenish - grey, green, pink, purple colors. Appearance of Mylonite is Dull, Banded and Foilated and that of Lherzolite is Glassy, Vesicular and Foilated. Properties of rock is another aspect for Mylonite vs Lherzolite. The hardness of Mylonite is 3-4 and that of Lherzolite is 6.5. The types of Mylonite are Blastomylonites, Ultramylonites and Phyllonites whereas types of Lherzolite are Garnet Lherzolite. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Mylonite and Lherzolite is white. The specific heat capacity of Mylonite is 1.50 kJ/Kg K and that of Lherzolite is 0.95 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 Lherzolite is heat resistant, impact resistant, pressure resistant, wear resistant.