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Marl vs Trondhjemite


Trondhjemite vs Marl


Definition

Definition
Marl is an unconsolidated sedimentary rock consisting of clay and lime  
Trondhjemite is a leucocratic (light-colored) intrusive igneous rock. It is a variety of tonalite in which the plagioclase is mostly in the form of oligoclase. Trondhjemites are sometimes known as plagiogranites.  

History
  
  

Origin
-  
Tonale, Italy  

Discoverer
William Smith  
Unknown  

Etymology
From Old French marle, from Late Latin marglia  
From Trondheim, Norway  

Class
Sedimentary Rocks  
Igneous Rocks  

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

Family
  
  

Group
-  
Plutonic  

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

Texture

Texture
Earthy  
Phaneritic  

Color
Beige, Brown, Green, Grey, White  
Black, Brown, Light to Dark Grey, White  

Maintenance
Less  
Less  

Durability
Durable  
Durable  

Water Resistant
Yes  
Yes  

Scratch Resistant
No  
Yes  

Stain Resistant
No  
Yes  

Wind Resistant
No  
No  

Acid Resistant
No  
No  

Appearance
Rough and Dull  
Banded and Foilated  

Uses

Architecture
  
  

Interior Uses
Decorative Aggregates, Floor Tiles  
Decorative Aggregates, Entryways, Flooring, Homes, Interior Decoration  

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

Other Architectural Uses
Curbing  
Curbing  

Industry
  
  

Construction Industry
Cement Manufacture, Construction Aggregate, for Road Aggregate, Making natural cement, Raw material for the manufacture of mortar  
As Dimension Stone, Cement Manufacture, Cobblestones, Construction Aggregate, for Road Aggregate  

Medical Industry
-  
-  

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

Other Uses
  
  

Commercial Uses
Creating Artwork, Soil Conditioner  
Cemetery Markers, Creating Artwork  

Types

Types
Clay Marl ,Blue Marl, Red Marl, High Bank Marl, Shell Layer Marl, Under Shell Layer Marl, Sand Marl, Green Marl, Grey Marl and Clayey Marl  
Intermediate intrusive rock  

Features
Generally rough to touch, Is one of the oldest rock, Splintery, Very fine grained rock  
Is one of the oldest rock, Typically speckled black and white.  

Archaeological Significance
  
  

Monuments
-  
-  

Famous Monuments
-  
-  

Sculpture
-  
-  

Famous Sculptures
-  
-  

Pictographs
-  
-  

Petroglyphs
-  
-  

Figurines
-  
-  

Fossils
Present  
Absent  

Formation

Formation
Marl forms when very fine-grained clay particles are deposited in water which settles at the bottom of water bodies and are compacted by overlying sediment; the water squeezes out and hence forming Marl rock.  
When alkali feldspar is extracted from granite, it changes to granitoid and later, it becomes trondhjemite with quartz as major mineral.  

Composition
  
  

Mineral Content
Calcite, Clay, Dolomite, Gypsum, Micas, Pyrite, Quartz  
Albite, Amphibole, Apatite, Biotite, Feldspar, Hornblade, Ilmenite, Magnetite, Manganese Oxides, Olivine, Plagioclase, Pyroxene, Quartz, Sulfides, Titanite, Zircon  

Compound Content
Aluminium Oxide, NaCl, CaO, Iron(III) Oxide, Silicon Dioxide  
NaCl, CaO, MgO, Silicon Dioxide  

Transformation
  
  

Metamorphism
No  
Yes  

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

Weathering
Yes  
Yes  

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

Erosion
Yes  
Yes  

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

Properties

Physical Properties
  
  

Hardness
2-3  
6-7  

Grain Size
Very fine-grained  
Medium to Fine Coarse Grained  

Fracture
Conchoidal  
Conchoidal  

Streak
White  
Bluish Black  

Porosity
Highly Porous  
Very Less Porous  

Luster
Dull  
Subvitreous to Dull  

Compressive Strength
30.00 N/mm2  
99+
130.00 N/mm2  
24

Cleavage
-  
-  

Toughness
2.6  
2.1  

Specific Gravity
2.2-2.8  
2.86-3  

Transparency
Opaque  
Opaque  

Density
2.4-2.8 g/cm3  
2.73 g/cm3  

Thermal Properties
  
  

Specific Heat Capacity
0.80 kJ/Kg K  
16
0.92 kJ/Kg K  
10

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

Reserves

Deposits in Eastern Continents
  
  

Asia
India, Pakistan, Russia  
-  

Africa
Ethiopia, Kenya, Morocco, South Africa  
Egypt  

Europe
Austria, France, Germany, Greece, Italy, Romania, Scotland, Spain, Switzerland  
Finland, Germany, Italy, Romania, Sweden, Turkey  

Others
-  
-  

Deposits in Western Continents
  
  

North America
USA  
USA  

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

Deposits in Oceania Continent
  
  

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

Definition >>
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Marl vs Trondhjemite 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 Marl and Trondhjemite Reserves. Marl is an unconsolidated sedimentary rock consisting of clay and lime. Trondhjemite is a leucocratic (light-colored) intrusive igneous rock. It is a variety of tonalite in which the plagioclase is mostly in the form of oligoclase. Trondhjemites are sometimes known as plagiogranites.. 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 Marl vs Trondhjemite information and Marl vs Trondhjemite characteristics in the upcoming sections.

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Marl vs Trondhjemite 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. Marl vs Trondhjemite characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Marl and Properties of Trondhjemite. Learn more about Marl vs Trondhjemite in the next section. The interior uses of Marl include Decorative aggregates and Floor tiles whereas the interior uses of Trondhjemite include Decorative aggregates, Entryways, Flooring, Homes and Interior decoration. Due to some exceptional properties of Marl and Trondhjemite, they have various applications in construction industry. The uses of Marl in construction industry include Cement manufacture, Construction aggregate, For road aggregate, Making natural cement, Raw material for the manufacture of mortar and that of Trondhjemite include As dimension stone, Cement manufacture, Cobblestones, Construction aggregate, For road aggregate.

More about Marl and Trondhjemite

Here you can know more about Marl and Trondhjemite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Marl and Trondhjemite consists of mineral content and compound content. The mineral content of Marl includes Calcite, Clay, Dolomite, Gypsum, Micas, Pyrite, Quartz and mineral content of Trondhjemite includes Albite, Amphibole, Apatite, Biotite, Feldspar, Hornblade, Ilmenite, Magnetite, Manganese Oxides, Olivine, Plagioclase, Pyroxene, Quartz, Sulfides, Titanite, Zircon. You can also check out the list of all Sedimentary Rocks. When we have to compare Marl vs Trondhjemite, the texture, color and appearance plays an important role in determining the type of rock. Marl is available in beige, brown, green, grey, white colors whereas, Trondhjemite is available in black, brown, light to dark grey, white colors. Appearance of Marl is Rough and Dull and that of Trondhjemite is Banded and Foilated. Properties of rock is another aspect for Marl vs Trondhjemite. The hardness of Marl is 2-3 and that of Trondhjemite is 6-7. The types of Marl are Clay Marl ,Blue Marl, Red Marl, High Bank Marl, Shell Layer Marl, Under Shell Layer Marl, Sand Marl, Green Marl, Grey Marl and Clayey Marl whereas types of Trondhjemite are Intermediate intrusive rock. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Marl is white while that of Trondhjemite is bluish black. The specific heat capacity of Marl is 0.80 kJ/Kg K and that of Trondhjemite 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.Marl is heat resistant, impact resistant whereas Trondhjemite is heat resistant, pressure resistant, wear resistant.

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