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Gabbro and Pantellerite


Pantellerite and Gabbro


Definition

Definition
Gabbro is an intrusive igneous rock which is chemically equivalent to plutonic Basalt   
Pantellerite is a peralkaline rhyolite. It has a higher iron and lower aluminium composition than comendite   

History
  
  

Origin
Germany   
Strait of sicily   

Discoverer
Christian Leopold von Buch   
Unknown   

Etymology
From Latin glaber bare, smooth, bald   
From Pantelleria, a volcanic island in the Strait of Sicily   

Class
Igneous Rocks   
Igneous Rocks   

Sub-Class
Durable Rock, Hard Rock   
Durable Rock, Hard Rock   

Family
  
  

Group
Plutonic   
Volcanic   

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

Texture

Texture
Phaneritic   
Eutaxitic   

Color
Dark Grey to Black   
Dark Greenish - Grey   

Maintenance
Less   
Less   

Durability
Durable   
Durable   

Water Resistant
Yes   
Yes   

Scratch Resistant
Yes   
Yes   

Stain Resistant
Yes   
Yes   

Wind Resistant
Yes   
Yes   

Acid Resistant
Yes   
Yes   

Appearance
Veined and Shiny   
Layered and Foliated   

Uses

Architecture
  
  

Interior Uses
Countertops, Decorative Aggregates, Homes, Interior Decoration   
Not Yet Used   

Exterior Uses
As Building Stone, As Facing Stone, Garden Decoration, Office Buildings, Paving Stone   
Not Yet Used   

Other Architectural Uses
Curbing   
Not Yet Used   

Industry
  
  

Construction Industry
As Dimension Stone, Building houses or walls, Cement Manufacture, Construction Aggregate, for Road Aggregate   
NA   

Medical Industry
Not Yet Used   
Not Yet Used   

Antiquity Uses
Artifacts, Monuments, Sculpture   
Artifacts, Sculpture   

Other Uses
  
  

Commercial Uses
Cemetery Markers, Commemorative Tablets, Laboratory bench tops, Jewelry, Sea Defence, Tombstones   
Creating Artwork   

Types

Types
Not Available   
Pantelleritic Ignimbrite   

Features
Smooth to touch   
High Fe content   

Archaeological Significance
  
  

Monuments
Used   
Not Yet Used   

Famous Monuments
Data Not Available   
Not Applicable   

Sculpture
Used   
Not Yet Used   

Famous Sculptures
Data Not Available   
Not Applicable   

Pictographs
Not Used   
Not Used   

Petroglyphs
Not Used   
Not Used   

Figurines
Used   
Not Yet Used   

Fossils
Absent   
Absent   

Formation

Formation
Gabbro, a mafic rock, forms due to cooling and crystallization of magma underneath Earth's surface.   
Pantellerite 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.   

Composition
  
  

Mineral Content
Augite, Olivine, Plagioclase, Pyroxene   
Amphibole, Feldspar, Ilmenite   

Compound Content
Aluminium Oxide, CaO, Chromium(III) Oxide, Iron(III) Oxide, Potassium Oxide, MgO, Sodium Oxide, Silicon Dioxide, Sulfur Trioxide   
Al, Fe   

Transformation
  
  

Metamorphism
Yes   
Yes   

Types of Metamorphism
Impact Metamorphism   
Burial Metamorphism, Cataclastic Metamorphism   

Weathering
Yes   
Yes   

Types of Weathering
Chemical Weathering   
Biological Weathering, Chemical Weathering   

Erosion
Yes   
Yes   

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

Properties

Physical Properties
  
  

Hardness
7   
6-7   

Grain Size
Coarse Grained   
Fine Grained   

Fracture
Conchoidal   
Sub-conchoidal   

Streak
Black   
Unknown   

Porosity
Highly Porous   
Less Porous   

Luster
Not Available   
Earthy   

Compressive Strength
225.00 N/mm2   
7
Not Available   

Cleavage
Not Available   
Conchoidal   

Toughness
1.6   
2   

Specific Gravity
2.86-2.87   
Not Available   

Transparency
Opaque   
Translucent to Opaque   

Density
2.7-3.3 g/cm3   
Not Available   

Thermal Properties
  
  

Resistance
Impact Resistant, Pressure Resistant, Wear Resistant   
Heat Resistant   

Reserves

Deposits in Eastern Continents
  
  

Asia
India, Russia   
China, India   

Africa
South Africa   
Angola, Egypt, Madagascar, Namibia, Nigeria   

Europe
Germany, Greece, Italy, Scotland, Turkey   
Germany, Iceland, Ireland, Italy, Spain, United Kingdom   

Others
Greenland   
Not Yet Found   

Deposits in Western Continents
  
  

North America
Canada, USA   
Canada, USA   

South America
Brazil, Colombia, Venezuela   
Argentina, Bolivia, Brazil, Colombia, Ecuador   

Deposits in Oceania Continent
  
  

Australia
New Zealand, Queensland   
Central Australia, Queensland, Western Australia   

Summary >>
<< Reserves

All about Gabbro and Pantellerite Properties

Know all about Gabbro and Pantellerite properties here. All properties of rocks are important as they define the type of rock and its application. Gabbro and Pantellerite belong to Igneous Rocks.Texture of Gabbro is Phaneritic whereas that of Pantellerite is Eutaxitic. Gabbro appears Veined and Shiny and Pantellerite appears Layered and Foliated. The luster of Gabbro is not available while that of Pantellerite is earthy. Gabbro is available in dark grey to black colors whereas Pantellerite is available in dark greenish - grey colors. The commercial uses of Gabbro are cemetery markers, commemorative tablets, laboratory bench tops, jewelry, sea defence, tombstones and that of Pantellerite are creating artwork.

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