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Granodiorite and Trachyte


Trachyte and Granodiorite


Definition

Definition
Granodiorite is a coarse-grained intrusive igneous rock containing quartz and plagioclase, and which has composition in between granite and diorite   
Trachyte is a grey fine-grained volcanic rock which mainly consists of alkali feldspar   

History
  
  

Discoverer
Unknown   
Alexandre Brongniart and René Just Haüy   

Etymology
From granite + diorite   
From Greek trakhus rough’ or trakhutēs roughness   

Class
Igneous Rocks   
Igneous Rocks   

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

Family
  
  

Group
Plutonic   
Volcanic   

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

Texture

Texture
Granular, Phaneritic   
Aphanitic to Porphyritic   

Color
Black, Grey, Orange, Pink, White   
Black, Brown, Dark Greenish - Grey, Green, Grey, Light to Dark Grey, White   

Maintenance
More   
Less   

Durability
Durable   
Durable   

Water Resistant
Yes   
Yes   

Scratch Resistant
Yes   
Yes   

Stain Resistant
No   
Yes   

Wind Resistant
Yes   
Yes   

Acid Resistant
No   
No   

Appearance
Veined or Pebbled   
Banded   

Uses

Architecture
  
  

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

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

Other Architectural Uses
Not Yet Used   
Curbing   

Industry
  
  

Construction Industry
As Dimension Stone   
As Dimension Stone, Building houses or walls, Cement Manufacture, Construction Aggregate, for Road Aggregate, Landscaping, Making natural cement, Manufacture of Magnesium and Dolomite Refractories   

Medical Industry
Not Yet Used   
Not Yet Used   

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

Other Uses
  
  

Commercial Uses
Curling, Gemstone, Laboratory bench tops, Tombstones   
Cemetery Markers, Creating Artwork   

Types

Types
Not Available   
Not Available   

Features
Available in Lots of Colors and Patterns   
Available in Lots of Colors and Patterns, Is one of the oldest rock, Matrix variable   

Archaeological Significance
  
  

Monuments
Used   
Used   

Famous Monuments
Data Not Available   
Data Not Available   

Sculpture
Used   
Used   

Famous Sculptures
Data Not Available   
Data Not Available   

Pictographs
Used   
Used   

Petroglyphs
Used   
Used   

Figurines
Used   
Used   

Fossils
Absent   
Absent   

Formation

Formation
Granodiorite is an intrusive igneous rock which is very hard, crystalline and is visibly homogeneous in texture and forms by melting of continental rocks.   
Trachyte is an igneous volcanic rock with an aphanitic to porphyritic texture. It is the volcanic equivalent of syenite rock and forms as a result of magmatic differentiation.   

Composition
  
  

Mineral Content
Amphibole, Biotite, Feldspar, Hornblade, Micas, Muscovite or Illite, Plagioclase, Pyroxene, Quartz   
Augite, Biotite, Feldspar, Hornblade, Plagioclase, Quartz   

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

Transformation
  
  

Metamorphism
Yes   
Yes   

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

Weathering
Yes   
Yes   

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

Erosion
Yes   
Yes   

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

Properties

Physical Properties
  
  

Hardness
6   
6   

Grain Size
Medium to Coarse Grained   
Fine Grained   

Fracture
Not Available   
Not Available   

Streak
White   
White   

Porosity
Less Porous   
Less Porous   

Luster
Grainy, Pearly and Vitreous   
Metallic   

Compressive Strength
175.00 N/mm2   
13
150.00 N/mm2   
14

Cleavage
Not Available   
Not Available   

Toughness
Not Available   
Not Available   

Specific Gravity
2.6-2.7   
2.7   

Transparency
Opaque   
Opaque   

Density
2.6-2.8 g/cm3   
2.43-2.45 g/cm3   

Thermal Properties
  
  

Specific Heat Capacity
0.79 kJ/Kg K   
16
Not Available   

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

Reserves

Deposits in Eastern Continents
  
  

Asia
China, India, Iran, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Vietnam   
China, India, Iran, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Vietnam   

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

Europe
Austria, Belgium, Finland, France, Germany, Italy, Norway, Sardinia, Spain, Switzerland, The Czech Republic, Venezuela   
Bulgaria, England, Germany, Norway, Romania, Switzerland   

Others
Not Yet Found   
Not Yet Found   

Deposits in Western Continents
  
  

North America
Canada, USA   
USA   

South America
Not Yet Found   
Brazil, Chile   

Deposits in Oceania Continent
  
  

Australia
Not Yet Found   
New Zealand, Queensland, South Australia, Western Australia   

Summary >>
<< Reserves

All about Granodiorite and Trachyte Properties

Know all about Granodiorite and Trachyte properties here. All properties of rocks are important as they define the type of rock and its application. Granodiorite and Trachyte belong to Igneous Rocks.Texture of Granodiorite is Granular, Phaneritic whereas that of Trachyte is Aphanitic to Porphyritic. Granodiorite appears Veined or Pebbled and Trachyte appears Banded. The luster of Granodiorite is grainy, pearly and vitreous while that of Trachyte is metallic. Granodiorite is available in black, grey, orange, pink, white colors whereas Trachyte is available in black, brown, dark greenish - grey, green, grey, light to dark grey, white colors. The commercial uses of Granodiorite are curling, gemstone, laboratory bench tops, tombstones and that of Trachyte are cemetery markers, creating artwork.

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