Home
Compare Rocks


Slate vs Adakite


Adakite vs Slate


Definition

Definition
Slate is a fine-grained, foliated, homogeneous metamorphic rock derived from an original shale-type sedimentary rock composed of clay or volcanic ash through low-grade regional metamorphism  
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  

History
  
  

Origin
England  
Adak, Aleutian Islands  

Discoverer
Unknown  
Defant and Drummond  

Etymology
From Old French esclate, from esclat (French éclat)  
From Adak, Aleutian Islands  

Class
Metamorphic Rocks  
Igneous Rocks  

Sub-Class
Durable Rock, Medium Hardness Rock  
Durable Rock, Medium Hardness Rock  

Family
  
  

Group
Not Applicable  
Volcanic  

Other Categories
Fine Grained Rock, Opaque Rock  
Fine Grained Rock, Medium Grained Rock, Opaque Rock  

Texture

Texture
Foliated  
Porphyritic  

Color
Black, Brown, Buff, Green, Light to Dark Grey, Purple, Red, Shades of Blue  
Black, Brown, Light to Dark Grey  

Maintenance
Less  
Less  

Durability
Durable  
Durable  

Water Resistant
Yes  
No  

Scratch Resistant
Yes  
No  

Stain Resistant
Yes  
No  

Wind Resistant
No  
Yes  

Acid Resistant
No  
Yes  

Appearance
Dull  
Dull and Soft  

Uses

Architecture
  
  

Interior Uses
Bathrooms, Decorative Aggregates, Entryways, Floor Tiles, Flooring, Homes, Hotels, Interior Decoration, Kitchens, Stair Treads  
Decorative Aggregates, Floor Tiles, Homes, Hotels, Kitchens  

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

Other Architectural Uses
Curbing  
Whetstones  

Industry
  
  

Construction Industry
As Dimension Stone  
As Dimension Stone, Cobblestones, Rail Track Ballast, Roadstone  

Medical Industry
Not Available  
Not Available  

Antiquity Uses
Artifacts, Monuments, Sculpture, Small Figurines  
Monuments, Sculpture, Small Figurines  

Other Uses
  
  

Commercial Uses
Blackboards, Commemorative Tablets, Laboratory bench tops, Standard material for the bed of Billiard table, Standard material for the beds of Pool and Snooker table, Tombstones, Used in aquariums, Writing Slates  
Commemorative Tablets, Pottery, Used in aquariums  

Types

Types
Not Available  
Not Available  

Features
Easily splits into thin plates, Surfaces are often shiny, Very fine grained rock  
Has High structural resistance against erosion and climate, Host rock for Diamond, Very fine grained rock  

Archaeological Significance
  
  

Monuments
Used  
Used  

Famous Monuments
Not Available  
Not Available  

Sculpture
Used  
Used  

Famous Sculptures
Not Available  
Not Available  

Pictographs
Used  
Used  

Petroglyphs
Used  
Used  

Figurines
Used  
Used  

Fossils
Absent  
Absent  

Formation

Formation
Slate is a low grade metamorphic rock that is generally formed by metamorphosis of mudstone or shale, under relatively low pressure and temperature conditions.  
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.  

Composition
  
  

Mineral Content
Apatite, Biotite, Chlorite, Feldspar, Graphite, Hematite, Kaolinite, Magnetite, Pyrite, Tourmaline, Zircon  
Olivine, Plagioclase, Pyroxene  

Compound Content
Aluminium Oxide, CaO, Iron(III) Oxide, Potassium Oxide, MgO, Sodium Oxide, Silicon Dioxide, Titanium Dioxide  
Aluminium Oxide, MgO, Silicon Dioxide  

Transformation
  
  

Metamorphism
Yes  
Yes  

Types of Metamorphism
Burial Metamorphism, Cataclastic Metamorphism, Regional Metamorphism  
Cataclastic Metamorphism, Contact Metamorphism, Impact Metamorphism, Regional Metamorphism  

Weathering
Yes  
Yes  

Types of Weathering
Biological Weathering, Chemical Weathering, Mechanical Weathering  
Chemical Weathering, Mechanical Weathering  

Erosion
Yes  
Yes  

Types of Erosion
Coastal Erosion, Glacier Erosion, Water Erosion, Wind Erosion  
Coastal Erosion, Sea Erosion, Water Erosion  

Properties

Physical Properties
  
  

Hardness
3-4  
3-4  

Grain Size
Very fine-grained  
Fine to Medium Grained  

Fracture
Splintery  
Conchoidal  

Streak
Light to dark brown  
Bluish Black  

Porosity
Less Porous  
Less Porous  

Luster
Dull  
Grainy, Pearly and Vitreous  

Compressive Strength
30.00 N/mm2  
30
Not Available  

Cleavage
Slaty  
Not Available  

Toughness
1.2  
Not Available  

Specific Gravity
2.65-2.8  
Not Available  

Transparency
Opaque  
Opaque  

Density
2.6-2.8 g/cm3  
Not Available  

Thermal Properties
  
  

Specific Heat Capacity
0.76 kJ/Kg K  
17
Not Available  

Resistance
Heat Resistant, Impact Resistant, Pressure Resistant, Wear Resistant  
Heat Resistant, Pressure Resistant, Wear Resistant  

Reserves

Deposits in Eastern Continents
  
  

Asia
China, India, Turkey  
India, Russia  

Africa
Not Available  
Ethiopia, Somalia, South Africa  

Europe
Belgium, France, Germany, Italy, Norway, Portugal, Spain, United Kingdom  
Iceland  

Others
Arctic  
Not Available  

Deposits in Western Continents
  
  

North America
USA  
Canada, USA  

South America
Brazil  
Brazil  

Deposits in Oceania Continent
  
  

Australia
Not Available  
Not Available  

Definition >>
<< All

Slate vs Adakite 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 Slate and Adakite Reserves. Slate is a fine-grained, foliated, homogeneous metamorphic rock derived from an original shale-type sedimentary rock composed of clay or volcanic ash through low-grade regional metamorphism. 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. 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 Slate vs Adakite information and Slate vs Adakite characteristics in the upcoming sections.

Compare Metamorphic Rocks

Slate vs Adakite 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. Slate vs Adakite characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Slate and Properties of Adakite. Learn more about Slate vs Adakite in the next section. The interior uses of Slate include Bathrooms, Decorative aggregates, Entryways, Floor tiles, Flooring, Homes, Hotels, Interior decoration, Kitchens and Stair treads whereas the interior uses of Adakite include Decorative aggregates, Floor tiles, Homes, Hotels and Kitchens. Due to some exceptional properties of Slate and Adakite, they have various applications in construction industry. The uses of Slate in construction industry include As dimension stone and that of Adakite include As dimension stone, Cobblestones, Rail track ballast, Roadstone.

More about Slate and Adakite

Here you can know more about Slate and Adakite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Slate and Adakite consists of mineral content and compound content. The mineral content of Slate includes Apatite, Biotite, Chlorite, Feldspar, Graphite, Hematite, Kaolinite, Magnetite, Pyrite, Tourmaline, Zircon and mineral content of Adakite includes Olivine, Plagioclase, Pyroxene. You can also check out the list of all Metamorphic Rocks. When we have to compare Slate vs Adakite, the texture, color and appearance plays an important role in determining the type of rock. Slate is available in black, brown, buff, green, light to dark grey, purple, red, shades of blue colors whereas, Adakite is available in black, brown, light to dark grey colors. Appearance of Slate is Dull and that of Adakite is Dull and Soft. Properties of rock is another aspect for Slate vs Adakite. Hardness of Slate and Adakite is 3-4. The types of Slate are Not Available whereas types of Adakite are Not Available. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Slate is light to dark brown while that of Adakite is bluish black. The specific heat capacity of Slate is 0.76 kJ/Kg K and that of Adakite is Not Available. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Slate is heat resistant, impact resistant, pressure resistant, wear resistant whereas Adakite is heat resistant, pressure resistant, wear resistant.

Metamorphic Rocks

Metamorphic Rocks

» More Metamorphic Rocks

Compare Metamorphic Rocks

» More Compare Metamorphic Rocks