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Metapelite and Evaporite


Evaporite and 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  
A water-soluble mineral sediment resulting from concentration and crystallization by evaporation from an aqueous solution  

History
  
  

Origin
-  
USA  

Discoverer
Unknown  
Usiglio  

Etymology
From Pelos or clay in Greek  
From a sediment left after the evaporation  

Class
Metamorphic Rocks  
Sedimentary Rocks  

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

Family
  
  

Group
-  
-  

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

Texture

Texture
Foliated  
Earthy  

Color
Dark Greenish - Grey, Green, Light Green, Light Greenish Grey  
Green, Grey, Silver, White  

Maintenance
Less  
Less  

Durability
Durable  
Durable  

Water Resistant
Yes  
Yes  

Scratch Resistant
Yes  
No  

Stain Resistant
Yes  
No  

Wind Resistant
No  
Yes  

Acid Resistant
No  
No  

Appearance
Banded  
Glassy, Vesicular and Foilated  

Uses

Architecture
  
  

Interior Uses
Decorative Aggregates, Interior Decoration  
Decorative Aggregates, Entryways, Flooring, Homes, Interior Decoration  

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

Other Architectural Uses
Curbing  
Curbing  

Industry
  
  

Construction Industry
Cement Manufacture, Construction Aggregate, for Road Aggregate  
As a Flux in the Production of Steel and Pig Iron, As a Sintering Agent in Steel Industry to process Iron Ore, As Dimension Stone, Cement Manufacture, for Road Aggregate, Making natural cement, Manufacture of Magnesium and Dolomite Refractories  

Medical Industry
-  
Taken as a Supplement for Calcium or Magnesium  

Antiquity Uses
Artifacts  
Artifacts  

Other Uses
  
  

Commercial Uses
Commemorative Tablets, Creating Artwork  
Used in the manufacture of Ceramic Powder, Used in the preparation of Sulfuric Acid and Silicon Diborite  

Types

Types
Metamorphic rock  
Sedimentary rock  

Features
Easily splits into thin plates, It is One of the Oldest, Strongest and Hardest Rock  
Generally rough to touch, Splintery, Veined  

Archaeological Significance
  
  

Monuments
-  
-  

Famous Monuments
-  
-  

Sculpture
-  
-  

Famous Sculptures
-  
-  

Pictographs
-  
-  

Petroglyphs
-  
-  

Figurines
-  
-  

Fossils
Absent  
Present  

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.  
Evaporite is water-soluble mineral sediment which forms from concentration and crystallization by evaporation from an aqueous solution.  

Composition
  
  

Mineral Content
Albite, Chlorite, Quartz  
Calcite, Cancrinite, Gypsum, Kyanite, Magnetite  

Compound Content
Aluminium Oxide, CaO, MgO  
CaMg(CO3)2, CaO, Calcium Sulfate, KCl, MgO, NaCl  

Transformation
  
  

Metamorphism
No  
Yes  

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

Weathering
Yes  
No  

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

Erosion
Yes  
No  

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

Properties

Physical Properties
  
  

Hardness
5-6  
2-3  

Grain Size
Medium to Fine Coarse Grained  
Medium to Fine Coarse Grained  

Fracture
Fibrous  
Conchoidal  

Streak
-  
White  

Porosity
Highly Porous  
Less Porous  

Luster
Earthy  
Subvitreous to Dull  

Compressive Strength
40.00 N/mm2  
40
225.00 N/mm2  
8

Cleavage
-  
Perfect  

Toughness
-  
-  

Specific Gravity
3.4-3.7  
2.86-2.99  

Transparency
Opaque  
Translucent  

Density
0-300 g/cm3  
2.8-2.9 g/cm3  

Thermal Properties
  
  

Specific Heat Capacity
0.72 kJ/Kg K  
22
0.92 kJ/Kg K  
10

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

Reserves

Deposits in Eastern Continents
  
  

Asia
-  
-  

Africa
Western Africa  
-  

Europe
United Kingdom  
United Kingdom  

Others
-  
-  

Deposits in Western Continents
  
  

North America
-  
USA  

South America
Brazil, Colombia, Ecuador  
Colombia, Paraguay  

Deposits in Oceania Continent
  
  

Australia
Central Australia, Western Australia  
Central Australia, Western Australia  

Summary >>
<< Reserves

All about Metapelite and Evaporite Properties

Know all about Metapelite and Evaporite properties here. All properties of rocks are important as they define the type of rock and its application. Metapelite belongs to Metamorphic Rocks while Evaporite belongs to Sedimentary Rocks.Texture of Metapelite is Foliated whereas that of Evaporite is Earthy. Metapelite appears Banded and Evaporite appears Glassy, Vesicular and Foilated. The luster of Metapelite is earthy while that of Evaporite is subvitreous to dull. Metapelite is available in dark greenish - grey, green, light green, light greenish grey colors whereas Evaporite is available in green, grey, silver, white colors. The commercial uses of Metapelite are commemorative tablets, creating artwork and that of Evaporite are used in the manufacture of ceramic powder, used in the preparation of sulfuric acid and silicon diborite.

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