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Metapelite vs Basaltic Trachyandesite


Basaltic Trachyandesite vs Metapelite


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  
Basaltic Trachyandesite is an extrusive igneous rock which is a type of Basalt rock and is formed by the rapid cooling of basaltic lava exposed at or very near the Earth's surface  

History
  
  

Origin
-  
-  

Discoverer
Unknown  
Unknown  

Etymology
From Pelos or clay in Greek  
From its mineral and compound content and its relation with Basalt and Andesite rock  

Class
Metamorphic Rocks  
Igneous Rocks  

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

Family
  
  

Group
-  
Volcanic  

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

Texture

Texture
Foliated  
Glassy, Massive, Porphyritic, Scoriaceous, Vesicular  

Color
Dark Greenish - Grey, Green, Light Green, Light Greenish Grey  
Black, Brown, Light to Dark Grey  

Maintenance
Less  
Less  

Durability
Durable  
Durable  

Water Resistant
Yes  
No  

Scratch Resistant
Yes  
Yes  

Stain Resistant
Yes  
Yes  

Wind Resistant
No  
No  

Acid Resistant
No  
Yes  

Appearance
Banded  
Dull and Soft  

Uses

Architecture
  
  

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

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

Other Architectural Uses
Curbing  
Curbing, Whetstones  

Industry
  
  

Construction Industry
Cement Manufacture, Construction Aggregate, for Road Aggregate  
As Dimension Stone, Cobblestones, Rail Track Ballast, Roadstone  

Medical Industry
-  
-  

Antiquity Uses
Artifacts  
Artifacts, Monuments  

Other Uses
  
  

Commercial Uses
Commemorative Tablets, Creating Artwork  
An Oil and Gas Reservoir, Commemorative Tablets, Creating Artwork  

Types

Types
Metamorphic rock  
Alkaline Basalt, Boninite, High Alumina Basalt, Mid Ocean Ridge Basalt (MORB), Tholeiitic Basalt, Basaltic trachyandesite, Mugearite and Shoshonite  

Features
Easily splits into thin plates, It is One of the Oldest, Strongest and Hardest Rock  
Has High structural resistance against erosion and climate, Very fine grained rock  

Archaeological Significance
  
  

Monuments
-  
-  

Famous Monuments
-  
-  

Sculpture
-  
-  

Famous Sculptures
-  
-  

Pictographs
-  
-  

Petroglyphs
-  
-  

Figurines
-  
-  

Fossils
Absent  
Absent  

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.  
Basaltic Trachandesite is a fine-grained, hard rock that forms when bits of lava shoot out of volcanoes.  

Composition
  
  

Mineral Content
Albite, Chlorite, Quartz  
Olivine, Plagioclase, Pyroxene  

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

Transformation
  
  

Metamorphism
No  
Yes  

Types of Metamorphism
-  
Contact Metamorphism  

Weathering
Yes  
Yes  

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

Erosion
Yes  
No  

Types of Erosion
Chemical Erosion, Coastal Erosion, Water Erosion, Wind Erosion  
-  

Properties

Physical Properties
  
  

Hardness
5-6  
6  

Grain Size
Medium to Fine Coarse Grained  
Fine Grained  

Fracture
Fibrous  
Conchoidal  

Streak
-  
White to Grey  

Porosity
Highly Porous  
Less Porous  

Luster
Earthy  
-  

Compressive Strength
40.00 N/mm2  
40
37.50 N/mm2  
99+

Cleavage
-  
-  

Toughness
-  
2.3  

Specific Gravity
3.4-3.7  
2.8-3  

Transparency
Opaque  
Opaque  

Density
0-300 g/cm3  
2.9-3.1 g/cm3  

Thermal Properties
  
  

Specific Heat Capacity
0.72 kJ/Kg K  
22
0.84 kJ/Kg K  
15

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

Reserves

Deposits in Eastern Continents
  
  

Asia
-  
India, Russia  

Africa
Western Africa  
South Africa  

Europe
United Kingdom  
Iceland  

Others
-  
-  

Deposits in Western Continents
  
  

North America
-  
Canada, USA  

South America
Brazil, Colombia, Ecuador  
Brazil  

Deposits in Oceania Continent
  
  

Australia
Central Australia, Western Australia  
-  

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Metapelite vs Basaltic Trachyandesite 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 Basaltic Trachyandesite 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. Basaltic Trachyandesite is an extrusive igneous rock which is a type of Basalt rock and is formed by the rapid cooling of basaltic lava exposed at or very near the Earth's surface. 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 Basaltic Trachyandesite information and Metapelite vs Basaltic Trachyandesite characteristics in the upcoming sections.

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Metapelite vs Basaltic Trachyandesite 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 Basaltic Trachyandesite characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Metapelite and Properties of Basaltic Trachyandesite. Learn more about Metapelite vs Basaltic Trachyandesite in the next section. The interior uses of Metapelite include Decorative aggregates and Interior decoration whereas the interior uses of Basaltic Trachyandesite include Floor tiles, Homes, Hotels and Kitchens. Due to some exceptional properties of Metapelite and Basaltic Trachyandesite, 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 Basaltic Trachyandesite include As dimension stone, Cobblestones, Rail track ballast, Roadstone.

More about Metapelite and Basaltic Trachyandesite

Here you can know more about Metapelite and Basaltic Trachyandesite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Metapelite and Basaltic Trachyandesite consists of mineral content and compound content. The mineral content of Metapelite includes Albite, Chlorite, Quartz and mineral content of Basaltic Trachyandesite includes Olivine, Plagioclase, Pyroxene. You can also check out the list of all Metamorphic Rocks. When we have to compare Metapelite vs Basaltic Trachyandesite, 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, Basaltic Trachyandesite is available in black, brown, light to dark grey colors. Appearance of Metapelite is Banded and that of Basaltic Trachyandesite is Dull and Soft. Properties of rock is another aspect for Metapelite vs Basaltic Trachyandesite. The hardness of Metapelite is 5-6 and that of Basaltic Trachyandesite is 6. The types of Metapelite are Metamorphic rock whereas types of Basaltic Trachyandesite are Alkaline Basalt, Boninite, High Alumina Basalt, Mid Ocean Ridge Basalt (MORB), Tholeiitic Basalt, Basaltic trachyandesite, Mugearite and Shoshonite. 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 Basaltic Trachyandesite is white to grey. The specific heat capacity of Metapelite is 0.72 kJ/Kg K and that of Basaltic Trachyandesite is 0.84 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 Basaltic Trachyandesite is heat resistant, pressure resistant, wear resistant.

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