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Dacite vs Monzonite


Monzonite vs Dacite


Definition

Definition
Dacite is a volcanic igneous rock which is rintermediate in composition between andesite and rhyolite  
Monzonite is a granular igneous rock with composition between syenite and diorite and containing approximately equal amounts of orthoclase and plagioclase  

History
  
  

Origin
Romania and Moldova, Europe  
Trento Province, Italy  

Discoverer
Unknown  
Unknown  

Etymology
From Dacia, a province of the Roman Empire which lay between the Danube River and Carpathian Mountains where the rock was first described  
From Mount Monzoni in the Tyrol, Italy, + -ite1  

Class
Igneous Rocks  
Igneous Rocks  

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

Family
  
  

Group
Volcanic  
Plutonic  

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

Texture

Texture
Aphanitic to Porphyritic  
Phaneritic  

Color
Bluish - Grey, Brown, Grey, Light to Dark Grey  
Black, Brown, Light to Dark Grey, White  

Maintenance
Less  
Less  

Durability
Durable  
Durable  

Water Resistant
No  
Yes  

Scratch Resistant
No  
Yes  

Stain Resistant
No  
Yes  

Wind Resistant
No  
No  

Acid Resistant
No  
Yes  

Appearance
Vesicular  
Shiny  

Uses

Architecture
  
  

Interior Uses
Decorative Aggregates, Entryways, Interior Decoration  
Decorative Aggregates, Flooring, Interior Decoration  

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

Other Architectural Uses
Curbing  
Curbing  

Industry
  
  

Construction Industry
As Dimension Stone, Construction Aggregate, for Road Aggregate, Landscaping  
As Dimension Stone, Cement Manufacture, Construction Aggregate, for Road Aggregate  

Medical Industry
-  
-  

Antiquity Uses
Artifacts  
Artifacts, Monuments, Sculpture  

Other Uses
  
  

Commercial Uses
Commemorative Tablets, Creating Artwork  
Creating Artwork  

Types

Types
Footwall Dacite, Hanging wall Dacite, Tuff and Biotite Dacite  
Quartz Monzonite, Mangerite, Syenite and Diorite  

Features
Host Rock for Lead, Is one of the oldest rock  
Available in lots of colors, Is one of the oldest rock  

Archaeological Significance
  
  

Monuments
-  
-  

Famous Monuments
-  
-  

Sculpture
-  
-  

Famous Sculptures
-  
-  

Pictographs
-  
-  

Petroglyphs
-  
-  

Figurines
-  
-  

Fossils
Absent  
Absent  

Formation

Formation
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.   
Monzonite 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
Amphibole, Apatite, Biotite, Feldspar, Garnet, Hornblade, Magnetite, Plagioclase, Pyroxene, Quartz, Zircon  
Albite, Amphibole, Apatite, Biotite, Feldspar, Hornblade, Ilmenite, Magnetite, Muscovite or Illite, Olivine, Plagioclase, Pyroxene, Quartz, Sulfides, Titanite, Zircon  

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

Transformation
  
  

Metamorphism
Yes  
Yes  

Types of Metamorphism
Burial Metamorphism, Cataclastic Metamorphism  
Burial Metamorphism, Cataclastic Metamorphism, Impact Metamorphism  

Weathering
Yes  
Yes  

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

Erosion
Yes  
Yes  

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

Properties

Physical Properties
  
  

Hardness
2-2.25  
6-7  

Grain Size
Medium to Fine Coarse Grained  
Medium to Fine Coarse Grained  

Fracture
Conchoidal  
-  

Streak
White  
White  

Porosity
Less Porous  
Less Porous  

Luster
Subvitreous to Dull  
Subvitreous to Dull  

Compressive Strength
70.00 N/mm2  
35
310.00 N/mm2  
2

Cleavage
Perfect  
-  

Toughness
-  
-  

Specific Gravity
2.86-2.87  
2.8-3  

Transparency
Translucent  
Opaque  

Density
2.77-2.771 g/cm3  
2.9-2.91 g/cm3  

Thermal Properties
  
  

Specific Heat Capacity
0.92 kJ/Kg K  
10
0.92 kJ/Kg K  
10

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

Reserves

Deposits in Eastern Continents
  
  

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

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

Europe
France, Greece, Romania, Scotland, Spain  
Bulgaria, England, Germany, Norway, Romania, Switzerland  

Others
-  
-  

Deposits in Western Continents
  
  

North America
USA  
USA  

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

Deposits in Oceania Continent
  
  

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

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Dacite vs Monzonite 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 Dacite and Monzonite Reserves. Dacite is a volcanic igneous rock which is rintermediate in composition between andesite and rhyolite. Monzonite is a granular igneous rock with composition between syenite and diorite and containing approximately equal amounts of orthoclase and plagioclase. 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 Dacite vs Monzonite information and Dacite vs Monzonite characteristics in the upcoming sections.

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

More about Dacite and Monzonite

Here you can know more about Dacite and Monzonite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Dacite and Monzonite consists of mineral content and compound content. The mineral content of Dacite includes Amphibole, Apatite, Biotite, Feldspar, Garnet, Hornblade, Magnetite, Plagioclase, Pyroxene, Quartz, Zircon and mineral content of Monzonite includes Albite, Amphibole, Apatite, Biotite, Feldspar, Hornblade, Ilmenite, Magnetite, Muscovite or Illite, Olivine, Plagioclase, Pyroxene, Quartz, Sulfides, Titanite, Zircon. You can also check out the list of all Igneous Rocks. When we have to compare Dacite vs Monzonite, the texture, color and appearance plays an important role in determining the type of rock. Dacite is available in bluish - grey, brown, grey, light to dark grey colors whereas, Monzonite is available in black, brown, light to dark grey, white colors. Appearance of Dacite is Vesicular and that of Monzonite is Shiny. Properties of rock is another aspect for Dacite vs Monzonite. The hardness of Dacite is 2-2.25 and that of Monzonite is 6-7. The types of Dacite are Footwall Dacite, Hanging wall Dacite, Tuff and Biotite Dacite whereas types of Monzonite are Quartz Monzonite, Mangerite, Syenite and Diorite. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Dacite and Monzonite is white. The specific heat capacity of Dacite is 0.92 kJ/Kg K and that of Monzonite 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.Dacite is heat resistant, impact resistant, pressure resistant, wear resistant whereas Monzonite is heat resistant, impact resistant, pressure resistant.

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