Home
Compare Rocks


Arkose vs Dacite


Dacite vs Arkose


Definition

Definition
Arkose is a sedimentary rock, specifically a type of sandstone containing at least 25% feldspar   
Dacite is a volcanic igneous rock which is rintermediate in composition between andesite and rhyolite   

History
  
  

Origin
France   
Romania and Moldova, Europe   

Discoverer
Alexandre Brongniart   
Unknown   

Etymology
From Auvergne region of France used by a French geologist Alexandre Brongniart in 1826 who applied this term to some feldspathic sandstones   
From Dacia, a province of the Roman Empire which lay between the Danube River and Carpathian Mountains where the rock was first described   

Class
Sedimentary Rocks   
Igneous Rocks   

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

Family
  
  

Group
Not Applicable   
Volcanic   

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

Texture

Texture
Clastic   
Aphanitic to Porphyritic   

Color
Reddish Brown   
Bluish - Grey, Brown, Grey, Light to Dark Grey   

Maintenance
Less   
Less   

Durability
Durable   
Durable   

Water Resistant
Yes   
No   

Scratch Resistant
Yes   
No   

Stain Resistant
Yes   
No   

Wind Resistant
No   
No   

Acid Resistant
Yes   
No   

Appearance
Rough and Dull   
Vesicular   

Uses

Architecture
  
  

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

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

Other Architectural Uses
Whetstones   
Curbing   

Industry
  
  

Construction Industry
Cement Manufacture, Construction Aggregate, for Road Aggregate, Production of Glass and Ceramics, Raw material for the manufacture of mortar   
As Dimension Stone, Construction Aggregate, for Road Aggregate, Landscaping   

Medical Industry
Not Yet Used   
Not Yet Used   

Antiquity Uses
Artifacts, Sculpture, Small Figurines   
Artifacts   

Other Uses
  
  

Commercial Uses
In aquifers, Soil Conditioner, Source of Magnesia (MgO), Tombstones   
Commemorative Tablets, Creating Artwork   

Types

Types
Not Available   
Footwall Dacite, Hanging wall Dacite, Tuff and Biotite Dacite   

Features
Available in Lots of Colors and Patterns, Generally rough to touch, Is one of the oldest rock   
Host Rock for Lead, Is one of the oldest rock   

Archaeological Significance
  
  

Monuments
Not Yet Used   
Not Yet Used   

Famous Monuments
Not Applicable   
Not Applicable   

Sculpture
Used   
Not Yet Used   

Famous Sculptures
Data Not Available   
Not Applicable   

Pictographs
Not Used   
Used   

Petroglyphs
Not Used   
Used   

Figurines
Used   
Not Yet Used   

Fossils
Present   
Absent   

Formation

Formation
Arkose rock forms from the weathering of feldspar-rich igneous or metamorphic rock, most commonly granitic rocks, which are primarily composed of quartz and feldspar.   
Dacitic magma is formed by the subduction of young oceanic crust under a thick felsic continental plate. Further, the Oceanic crust is hydrothermally altered as quartz and sodium are added.   

Composition
  
  

Mineral Content
Calcite, Clay, Clay Minerals, Feldspar, Micas, Quartz   
Amphibole, Apatite, Biotite, Feldspar, Garnet, Hornblade, Magnetite, Plagioclase, Pyroxene, Quartz, Zircon   

Compound Content
Aluminium Oxide, CaO, Iron(III) Oxide, Potassium Oxide, MgO, Sodium Oxide, Silicon Dioxide   
Ca, Fe, Potassium Oxide, Mg, Potassium, Silicon Dioxide   

Transformation
  
  

Metamorphism
No   
Yes   

Types of Metamorphism
Not Applicable   
Burial Metamorphism, Cataclastic 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
Coastal Erosion, Glacier Erosion, Water Erosion, Wind Erosion   
Chemical Erosion   

Properties

Physical Properties
  
  

Hardness
6-7   
2-2.25   

Grain Size
Coarse Grained   
Medium to Fine Coarse Grained   

Fracture
Conchoidal   
Conchoidal   

Streak
White   
White   

Porosity
Highly Porous   
Less Porous   

Luster
Dull   
Subvitreous to Dull   

Cleavage
Not Available   
Perfect   

Toughness
Not Available   
Not Available   

Specific Gravity
0   
2.86-2.87   

Transparency
Opaque   
Translucent   

Density
Not Available   
2.77-2.771 g/cm3   

Thermal Properties
  
  

Specific Heat Capacity
Not Available   
0.92 kJ/Kg K   
10

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

Reserves

Deposits in Eastern Continents
  
  

Asia
China, India, Kazakhstan, Mongolia, Russia, Uzbekistan   
Not Yet Found   

Africa
Namibia, Nigeria, South Africa   
Not Yet Found   

Europe
Austria, Denmark, Germany, Great Britain, Netherlands, Norway, Poland, Sweden, Switzerland, United Kingdom   
France, Greece, Romania, Scotland, Spain   

Others
Greenland   
Not Yet Found   

Deposits in Western Continents
  
  

North America
Canada, USA   
USA   

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

Deposits in Oceania Continent
  
  

Australia
New South Wales, New Zealand   
New Zealand, South Australia, Western Australia   

Definition >>
<< All

Arkose vs Dacite 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 Arkose and Dacite Reserves. Arkose is a sedimentary rock, specifically a type of sandstone containing at least 25% feldspar. Dacite is a volcanic igneous rock which is rintermediate in composition between andesite and rhyolite. 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 Arkose vs Dacite information and Arkose vs Dacite characteristics in the upcoming sections.

Compare Sedimentary Rocks

Arkose vs Dacite 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. Arkose vs Dacite characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Arkose and Properties of Dacite. Learn more about Arkose vs Dacite in the next section. The interior uses of Arkose include Decorative aggregates, Homes and Interior decoration whereas the interior uses of Dacite include Decorative aggregates, Entryways and Interior decoration. Due to some exceptional properties of Arkose and Dacite, they have various applications in construction industry. The uses of Arkose in construction industry include Cement manufacture, Construction aggregate, For road aggregate, Production of glass and ceramics, Raw material for the manufacture of mortar and that of Dacite include As dimension stone, Construction aggregate, For road aggregate, Landscaping.

More about Arkose and Dacite

Here you can know more about Arkose and Dacite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Arkose and Dacite consists of mineral content and compound content. The mineral content of Arkose includes Calcite, Clay, Clay Minerals, Feldspar, Micas, Quartz and mineral content of Dacite includes Amphibole, Apatite, Biotite, Feldspar, Garnet, Hornblade, Magnetite, Plagioclase, Pyroxene, Quartz, Zircon. You can also check out the list of all Sedimentary Rocks. When we have to compare Arkose vs Dacite, the texture, color and appearance plays an important role in determining the type of rock. Arkose is available in reddish brown colors whereas, Dacite is available in bluish - grey, brown, grey, light to dark grey colors. Appearance of Arkose is Rough and Dull and that of Dacite is Vesicular. Properties of rock is another aspect for Arkose vs Dacite. The hardness of Arkose is 6-7 and that of Dacite is 2-2.25. The types of Arkose are Not Available whereas types of Dacite are Footwall Dacite, Hanging wall Dacite, Tuff and Biotite Dacite. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Arkose and Dacite is white. The specific heat capacity of Arkose is Not Available and that of Dacite is 0.92 kJ/Kg K. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Arkose is heat resistant, impact resistant, pressure resistant whereas Dacite is heat resistant, impact resistant, pressure resistant, wear resistant.

Fossil Rocks

Fossil Rocks

» More Fossil Rocks

Compare Sedimentary Rocks

» More Compare Sedimentary Rocks