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Lherzolite
Lherzolite

Adakite
Adakite



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Lherzolite
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Adakite

Lherzolite and Adakite

1 Definition
1.1 Definition
Lherzolite is a type of ultramafic igneous rock which contains essential olivine and clinopyroxene and orthopyroxene in equal proportions
Adakite is an intermediate to felsic volcanic rock that has geochemical characteristics of magma which is said to be formed by partial melting of altered basalt that is subducted below volcanic arcs
1.2 History
1.2.1 Origin
France
Adak, Aleutian Islands
1.2.2 Discoverer
Unknown
Defant and Drummond
1.3 Etymology
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
From Adak, Aleutian Islands
1.4 Class
Igneous Rocks
Igneous Rocks
1.4.1 Sub-Class
Durable Rock, Hard Rock
Durable Rock, Medium Hardness Rock
1.5 Family
1.5.1 Group
Plutonic
Volcanic
1.6 Other Categories
Fine Grained Rock, Opaque Rock
Fine Grained Rock, Medium Grained Rock, Opaque Rock
2 Texture
2.1 Texture
Grenue
Porphyritic
2.2 Color
Black, Dark Greenish - Grey, Green, Pink, Purple
Black, Brown, Light to Dark Grey
2.3 Maintenance
Less
Less
2.4 Durability
Durable
Durable
2.4.1 Water Resistant
81% Igneous Rocks Rocks have it !
81% Igneous Rocks Rocks have it !
2.4.2 Scratch Resistant
86% Igneous Rocks Rocks have it !
86% Igneous Rocks Rocks have it !
2.4.3 Stain Resistant
66% Igneous Rocks Rocks have it !
66% Igneous Rocks Rocks have it !
2.4.4 Wind Resistant
49% Igneous Rocks Rocks have it !
49% Igneous Rocks Rocks have it !
2.4.5 Acid Resistant
48% Igneous Rocks Rocks have it !
48% Igneous Rocks Rocks have it !
2.5 Appearance
Glassy, Vesicular and Foilated
Dull and Soft
3 Uses
3.1 Architecture
3.1.1 Interior Uses
Decorative Aggregates, Entryways, Homes, Interior Decoration
Decorative Aggregates, Floor Tiles, Homes, Hotels, Kitchens
3.1.2 Exterior Uses
As Building Stone, As Facing Stone, Office Buildings
As Building Stone, As Facing Stone, Office Buildings
3.1.3 Other Architectural Uses
Curbing
Whetstones
3.2 Industry
3.2.1 Construction Industry
Landscaping, Manufacture of Magnesium and Dolomite Refractories, Used for flooring, stair treads, borders and window sills.
As Dimension Stone, Cobblestones, Rail Track Ballast, Roadstone
3.2.2 Medical Industry
Not Yet Used
Not Yet Used
3.3 Antiquity Uses
Artifacts, Sculpture
Monuments, Sculpture, Small Figurines
3.4 Other Uses
3.4.1 Commercial Uses
As armour rock for sea walls, Source of Magnesia (MgO), Used in aquariums
Commemorative Tablets, Pottery, Used in aquariums
4 Types
4.1 Types
Garnet Lherzolite
Not Available
4.2 Features
Host Rock for Lead
Has High structural resistance against erosion and climate, Host rock for Diamond, Very fine grained rock
4.3 Archaeological Significance
4.3.1 Monuments
Not Yet Used
Used
4.3.2 Famous Monuments
Not Applicable
Data Not Available
4.3.3 Sculpture
Used
Used
4.3.4 Famous Sculptures
Data Not Available
Data Not Available
4.3.5 Pictographs
Not Used
Used
4.3.6 Petroglyphs
Not Used
Used
4.3.7 Figurines
Used
Used
4.4 Fossils
Absent
Absent
5 Formation
5.1 Formation
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.
Adakite rocks are formed when the hydrous fluids are released from minerals that break down in metamorphosed basalt, and rise into the mantle they initiate partial melting.
5.2 Composition
5.2.1 Mineral Content
Harzburgite, Olivine, Pyroxene, Pyrrhotite
Olivine, Plagioclase, Pyroxene
5.2.2 Compound Content
CaO, Cr, Chromium(III) Oxide, MgO
Aluminium Oxide, MgO, Silicon Dioxide
5.3 Transformation
5.3.1 Metamorphism
97% Igneous Rocks Rocks have it !
97% Igneous Rocks Rocks have it !
5.3.2 Types of Metamorphism
Cataclastic Metamorphism, Contact Metamorphism
Cataclastic Metamorphism, Contact Metamorphism, Impact Metamorphism, Regional Metamorphism
5.3.3 Weathering
99% Igneous Rocks Rocks have it !
99% Igneous Rocks Rocks have it !
5.3.4 Types of Weathering
Biological Weathering, Chemical Weathering, Mechanical Weathering
Chemical Weathering, Mechanical Weathering
5.3.5 Erosion
92% Igneous Rocks Rocks have it !
92% Igneous Rocks Rocks have it !
5.3.6 Types of Erosion
Chemical Erosion, Water Erosion, Wind Erosion
Coastal Erosion, Sea Erosion, Water Erosion
6 Properties
6.1 Physical Properties
6.1.1 Hardness
6.5
3-4
6.1.2 Grain Size
Fine Grained
Fine to Medium Grained
6.1.3 Fracture
Conchoidal
Conchoidal
6.1.4 Streak
White
Bluish Black
6.1.5 Porosity
Less Porous
Less Porous
6.1.6 Luster
Subvitreous to Dull
Grainy, Pearly and Vitreous
6.1.7 Compressive Strength
What Is Flint
290.00 N/mm2
Rank: 3 (Overall)
Not Available
Rank: N/A (Overall)
What Is Obsidian
ADD ⊕
6.1.8 Cleavage
Perfect
Not Available
6.1.9 Toughness
2.7
Not Available
6.1.10 Specific Gravity
2.86
Not Available
6.1.11 Transparency
Opaque
Opaque
6.1.12 Density
2.8-2.9 g/cm3
Not Available
6.2 Thermal Properties
6.2.1 Specific Heat Capacity
What Is Banded ..
0.95 kJ/Kg K
Rank: 9 (Overall)
Not Available
Rank: N/A (Overall)
What Is Granulite
ADD ⊕
6.2.2 Resistance
Heat Resistant, Impact Resistant, Pressure Resistant, Wear Resistant
Heat Resistant, Pressure Resistant, Wear Resistant
7 Reserves
7.1 Deposits in Eastern Continents
7.1.1 Asia
Russia, South Korea
India, Russia
7.1.2 Africa
Western Africa
Ethiopia, Somalia, South Africa
7.1.3 Europe
United Kingdom
Iceland
7.1.4 Others
Not Yet Found
Not Yet Found
7.2 Deposits in Western Continents
7.2.1 North America
USA
Canada, USA
7.2.2 South America
Not Yet Found
Brazil
7.3 Deposits in Oceania Continent
7.3.1 Australia
Central Australia, Western Australia
Not Yet Found

All about Lherzolite and Adakite Properties

Know all about Lherzolite and Adakite properties here. All properties of rocks are important as they define the type of rock and its application. Lherzolite and Adakite belong to Igneous Rocks.Texture of Lherzolite is Grenue whereas that of Adakite is Porphyritic. Lherzolite appears Glassy, Vesicular and Foilated and Adakite appears Dull and Soft. The luster of Lherzolite is subvitreous to dull while that of Adakite is grainy, pearly and vitreous. Lherzolite is available in black, dark greenish - grey, green, pink, purple colors whereas Adakite is available in black, brown, light to dark grey colors. The commercial uses of Lherzolite are as armour rock for sea walls, source of magnesia (mgo), used in aquariums and that of Adakite are commemorative tablets, pottery, used in aquariums.