Home
Compare Rocks


Trachyandesite vs Argillite


Argillite vs Trachyandesite


Definition

Definition
Trachyandesite is an extrusive igneous rock.  
Argillites are highly compact sedimentary or slightly metamorphosed rocks that consist largely or wholly of particles of clay or silt but lack the fissility of shale or the cleavage characteristic of slate  

History
  
  

Origin
Indonesia  
-  

Discoverer
Unknown  
Unknown  

Etymology
From French trachyandésite, trachy + andésite andesite, a lava intermediate in composition between trachyte and andesite  
From Latin Argilla (clay) and -ite in English which became agrilla+ -ite = Argillite  

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  
Fine Grained Rock, Opaque Rock  

Texture

Texture
Glassy, Massive, Porphyritic, Scoriaceous, Vesicular  
Clastic, Polished  

Color
Black, Brown, Light to Dark Grey  
Dark Grey to Black, Pink, Red, White  

Maintenance
Less  
Less  

Durability
Durable  
Durable  

Water Resistant
Yes  
No  

Scratch Resistant
Yes  
Yes  

Stain Resistant
No  
Yes  

Wind Resistant
No  
Yes  

Acid Resistant
No  
Yes  

Appearance
Dull and Soft  
Rough and Dull  

Uses

Architecture
  
  

Interior Uses
Countertops, Decorative Aggregates, Homes, Interior Decoration  
Decorative Aggregates, Homes, Interior Decoration  

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

Other Architectural Uses
Curbing  
Curbing, Whetstones  

Industry
  
  

Construction Industry
Building houses or walls, Cobblestones, for Road Aggregate, Rail Track Ballast, Roadstone  
Used for flooring, stair treads, borders and window sills.  

Medical Industry
-  
-  

Antiquity Uses
Artifacts, Sculpture  
Artifacts, Monuments, Sculpture  

Other Uses
  
  

Commercial Uses
Creating Artwork, Pottery  
Fire resistant, Used to manufracture paperweights and bookends  

Types

Types
Basaltic Trachyandesite  
Metamorphic rock  

Features
Has High structural resistance against erosion and climate, Very fine grained rock  
Is one of the oldest rock  

Archaeological Significance
  
  

Monuments
-  
-  

Famous Monuments
-  
-  

Sculpture
-  
-  

Famous Sculptures
-  
-  

Pictographs
-  
-  

Petroglyphs
-  
-  

Figurines
-  
-  

Fossils
Absent  
Present  

Formation

Formation
Trachyandesite 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.  
An argillite is a fine-grained sedimentary rock mainly composed of clay particles which forms from lithified muds which contain variable amounts of silt-sized particles.  

Composition
  
  

Mineral Content
Alkali feldspar, Biotite, Olivine, Plagioclase, Pyroxene, Sodic plagioclase  
Biotite, Chlorite, Feldspar, Micas, Muscovite or Illite, Plagioclase, Pyrite, Quartz  

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

Transformation
  
  

Metamorphism
Yes  
No  

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

Weathering
Yes  
Yes  

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

Erosion
Yes  
Yes  

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

Properties

Physical Properties
  
  

Hardness
4-5  
2-3  

Grain Size
Fine Grained  
Fine Grained  

Fracture
Conchoidal  
Conchoidal to Uneven  

Streak
Light to dark brown  
White to Grey  

Porosity
Less Porous  
Highly Porous  

Luster
Earthy  
Waxy and Dull  

Compressive Strength
37.40 N/mm2  
99+
-  

Cleavage
Perfect  
Slaty  

Toughness
2.3  
2.6  

Specific Gravity
2.8-3  
2.56-2.68  

Transparency
Opaque  
Opaque  

Density
2.9-3.1 g/cm3  
2.54-2.66 g/cm3  

Thermal Properties
  
  

Specific Heat Capacity
0.84 kJ/Kg K  
15
0.87 kJ/Kg K  
14

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

Reserves

Deposits in Eastern Continents
  
  

Asia
India, Russia  
Bangladesh, China, India, Russia  

Africa
South Africa  
Ethiopia, Kenya, Morocco, South Africa, Tanzania  

Europe
Iceland  
Austria, France, Germany, Greece, Italy, Romania, Scotland, Spain, Switzerland  

Others
-  
-  

Deposits in Western Continents
  
  

North America
Canada, USA  
USA  

South America
Brazil  
Bolivia, Chile, Colombia, Ecuador, Peru, Venezuela  

Deposits in Oceania Continent
  
  

Australia
-  
New South Wales, New Zealand, Queensland, Victoria, Western Australia  

Definition >>
<< All

Trachyandesite vs Argillite 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 Trachyandesite and Argillite Reserves. Trachyandesite is an extrusive igneous rock.. Argillites are highly compact sedimentary or slightly metamorphosed rocks that consist largely or wholly of particles of clay or silt but lack the fissility of shale or the cleavage characteristic of slate. 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 Trachyandesite vs Argillite information and Trachyandesite vs Argillite characteristics in the upcoming sections.

Compare Igneous Rocks

Trachyandesite vs Argillite 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. Trachyandesite vs Argillite characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Trachyandesite and Properties of Argillite. Learn more about Trachyandesite vs Argillite in the next section. The interior uses of Trachyandesite include Countertops, Decorative aggregates, Homes and Interior decoration whereas the interior uses of Argillite include Decorative aggregates, Homes and Interior decoration. Due to some exceptional properties of Trachyandesite and Argillite, they have various applications in construction industry. The uses of Trachyandesite in construction industry include Building houses or walls, Cobblestones, For road aggregate, Rail track ballast, Roadstone and that of Argillite include Used for flooring, stair treads, borders and window sills..

More about Trachyandesite and Argillite

Here you can know more about Trachyandesite and Argillite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Trachyandesite and Argillite consists of mineral content and compound content. The mineral content of Trachyandesite includes Alkali feldspar, Biotite, Olivine, Plagioclase, Pyroxene, Sodic plagioclase and mineral content of Argillite includes Biotite, Chlorite, Feldspar, Micas, Muscovite or Illite, Plagioclase, Pyrite, Quartz. You can also check out the list of all Igneous Rocks. When we have to compare Trachyandesite vs Argillite, the texture, color and appearance plays an important role in determining the type of rock. Trachyandesite is available in black, brown, light to dark grey colors whereas, Argillite is available in dark grey to black, pink, red, white colors. Appearance of Trachyandesite is Dull and Soft and that of Argillite is Rough and Dull. Properties of rock is another aspect for Trachyandesite vs Argillite. The hardness of Trachyandesite is 4-5 and that of Argillite is 2-3. The types of Trachyandesite are Basaltic Trachyandesite whereas types of Argillite are Metamorphic rock. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Trachyandesite is light to dark brown while that of Argillite is white to grey. The specific heat capacity of Trachyandesite is 0.84 kJ/Kg K and that of Argillite is 0.87 kJ/Kg K. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Trachyandesite is heat resistant, pressure resistant, wear resistant whereas Argillite is heat resistant, impact resistant.

Igneous Rocks

Igneous Rocks

» More Igneous Rocks

Compare Igneous Rocks

» More Compare Igneous Rocks