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Benmoreite and Lignite


Lignite and Benmoreite


Definition

Definition
An iron rich extrusive rock found as a member of the alkali basalt magma series  
Lignite is a soft brownish coal which shows traces of plants and is intermediate between bituminous coal and peat  

History
  
  

Origin
Isle of Mull, Scotland  
France  

Discoverer
Ben More  
Unknown  

Etymology
From the name of discoverer, Ben More  
From French, Latin lignum wood + -ite1  

Class
Igneous Rocks  
Sedimentary Rocks  

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

Family
  
  

Group
Volcanic  
-  

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

Texture

Texture
Glassy, Massive, Porphyritic, Scoriaceous, Trachytic, Vesicular  
Amorphous, Glassy  

Color
Black, Brown, Light to Dark Grey  
Black, Brown, Dark Brown, Grey, Light to Dark Grey  

Maintenance
Less  
Less  

Durability
Durable  
Durable  

Water Resistant
No  
No  

Scratch Resistant
Yes  
No  

Stain Resistant
Yes  
No  

Wind Resistant
No  
No  

Acid Resistant
No  
No  

Appearance
Rough and Dull  
Veined or Pebbled  

Uses

Architecture
  
  

Interior Uses
Floor Tiles, Homes, Hotels, Kitchens  
-  

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

Other Architectural Uses
Curbing  
-  

Industry
  
  

Construction Industry
As Dimension Stone, Cobblestones, Rail Track Ballast, Roadstone  
for Road Aggregate, Steel Production  

Medical Industry
-  
-  

Antiquity Uses
Artifacts, Monuments, Sculpture  
-  

Other Uses
  
  

Commercial Uses
Commemorative Tablets, Creating Artwork, Curling  
Electricity Generation  

Types

Types
Alkaline Basalt, Boninite, High Alumina Basalt, Mid Ocean Ridge Basalt (MORB) and Tholeiitic Basalt  
Xyloid Lignite or Fossil Wood and Compact Lignite or Perfect Lignite  

Features
Has High structural resistance against erosion and climate, Very fine grained rock  
Generally rough to touch, Helps in production of Heat and Electricity, Used as fossil fuel  

Archaeological Significance
  
  

Monuments
-  
-  

Famous Monuments
-  
-  

Sculpture
-  
-  

Famous Sculptures
-  
-  

Pictographs
-  
-  

Petroglyphs
-  
-  

Figurines
-  
-  

Fossils
Absent  
Present  

Formation

Formation
Benmoreite is a type of Igneous rock which is formed through the cooling and solidification of lava or magma. It forms with or without crystallization, either below the surface as intrusive rocks or on the surface as extrusive rocks.  
Coal formation takes place due to accumulation of plant debris in a swamp environment. The Coal formation process continues, as peat turns into lignite brown or black coal at increasing heat and pressure.  

Composition
  
  

Mineral Content
Alkali feldspar, Biotite, Olivine, Plagioclase, Pyroxene, Sodic plagioclase  
-  

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

Transformation
  
  

Metamorphism
Yes  
No  

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

Weathering
Yes  
Yes  

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

Erosion
Yes  
Yes  

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

Properties

Physical Properties
  
  

Hardness
6  
1  

Grain Size
Fine Grained  
Medium to Fine Coarse Grained  

Fracture
Conchoidal  
Conchoidal  

Streak
Black  
Black  

Porosity
Less Porous  
Highly Porous  

Luster
Earthy  
Dull to Vitreous to Submetallic  

Compressive Strength
37.40 N/mm2  
99+
-  

Cleavage
Perfect  
-  

Toughness
2.3  
-  

Specific Gravity
2.8-3  
1.1-1.4  

Transparency
Opaque  
Opaque  

Density
2.9-3.1 g/cm3  
800-801 g/cm3  

Thermal Properties
  
  

Specific Heat Capacity
0.84 kJ/Kg K  
15
1.26 kJ/Kg K  
5

Resistance
Heat Resistant, Pressure Resistant, Wear Resistant  
Heat Resistant  

Reserves

Deposits in Eastern Continents
  
  

Asia
India, Russia  
Bangladesh, Burma, Cambodia, China, India, Indonesia, Kazakhstan, Malaysia, Mongolia, Pakistan, Turkey, Vietnam  

Africa
South Africa  
Botswana, Kenya, Morocco, Mozambique, South Africa, Tanzania  

Europe
Iceland  
Belgium, Bulgaria, England, France, Germany, Greece, Hungary, Kosovo, Netherlands, Norway, Poland, Romania, Serbia, Slovakia, Slovenia, The Czech Republic, Ukraine, United Kingdom  

Others
-  
-  

Deposits in Western Continents
  
  

North America
Canada, USA  
Canada, Mexico, USA  

South America
Brazil  
Brazil, Chile, Colombia, Venezuela  

Deposits in Oceania Continent
  
  

Australia
-  
New South Wales, Queensland, Victoria  

Summary >>
<< Reserves

All about Benmoreite and Lignite Properties

Know all about Benmoreite and Lignite properties here. All properties of rocks are important as they define the type of rock and its application. Benmoreite belongs to Igneous Rocks while Lignite belongs to Sedimentary Rocks.Texture of Benmoreite is Glassy, Massive, Porphyritic, Scoriaceous, Trachytic, Vesicular whereas that of Lignite is Amorphous, Glassy. Benmoreite appears Rough and Dull and Lignite appears Veined or Pebbled. The luster of Benmoreite is earthy while that of Lignite is dull to vitreous to submetallic. Benmoreite is available in black, brown, light to dark grey colors whereas Lignite is available in black, brown, dark brown, grey, light to dark grey colors. The commercial uses of Benmoreite are commemorative tablets, creating artwork, curling and that of Lignite are electricity generation.

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