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Marl
Marl

Trondhjemite
Trondhjemite



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Marl vs Trondhjemite

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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

Scratch Resistant

Stain Resistant

Wind Resistant

Acid Resistant

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

Types of Metamorphism

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

Weathering

Types of Weathering

Biological Weathering, Chemical Weathering
Biological Weathering, Chemical Weathering, Mechanical Weathering

Erosion

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

2-36-7
1 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/mm2130.00 N/mm2
0.15 450
👆🏻

Cleavage

-
-

Toughness

2.6
2.1

Specific Gravity

2.2-2.82.86-3
0 8.4
👆🏻

Transparency

Opaque
Opaque

Density

2.4-2.8 g/cm32.73 g/cm3
0 1400
👆🏻

Thermal Properties

Specific Heat Capacity

0.80 kJ/Kg K0.92 kJ/Kg K
0.14 3.2
👆🏻

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

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.

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.