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Marl Rock



Definition

Definition
Marl is an unconsolidated sedimentary rock consisting of clay and lime

History

Origin
-

Discoverer
William Smith

Etymology
From Old French marle, from Late Latin marglia

Class
Sedimentary Rocks

Sub-Class
Durable Rock, Soft Rock

Family

Group
-

Other Categories
Fine Grained Rock, Opaque Rock

Texture

Texture
Earthy

Color
Beige, Brown, Green, Grey, White

Maintenance
Less

Durability
Durable

Water Resistant
Yes

Scratch Resistant
No

Stain Resistant
No

Wind Resistant
No

Acid Resistant
No

Appearance
Rough and Dull

Uses

Architecture

Interior Uses
Decorative Aggregates, Floor Tiles

Exterior Uses
As Building Stone, Roof Tiles

Other Architectural Uses
Curbing

Industry

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

Medical Industry
-

Antiquity Uses
Artifacts, Jewellery, Sculpture, Small Figurines

Other Uses

Commercial Uses
Creating Artwork, Soil Conditioner

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

Features
Generally rough to touch, Is one of the oldest rock, Splintery, Very fine grained rock

Archaeological Significance

Monuments
-

Famous Monuments
-

Sculpture
-

Famous Sculptures
-

Pictographs
-

Petroglyphs
-

Figurines
-

Fossils
Present

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.

Composition

Mineral Content
Calcite, Clay, Dolomite, Gypsum, Micas, Pyrite, Quartz

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

Transformation

Metamorphism
No

Types of Metamorphism
-

Weathering
Yes

Types of Weathering
Biological Weathering, Chemical Weathering

Erosion
Yes

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

Properties

Physical Properties

Hardness
2-3

Grain Size
Very fine-grained

Fracture
Conchoidal

Streak
White

Porosity
Highly Porous

Luster
Dull

Compressive Strength
30.00 N/mm2 44

Cleavage
-

Toughness
2.6

Specific Gravity
2.2-2.8

Transparency
Opaque

Density
2.4-2.8 g/cm3

Thermal Properties

Specific Heat Capacity
0.80 kJ/Kg K 16

Resistance
Heat Resistant, Impact Resistant

Reserves

Deposits in Eastern Continents

Asia
India, Pakistan, Russia

Africa
Ethiopia, Kenya, Morocco, South Africa

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

Others
-

Deposits in Western Continents

North America
USA

South America
Colombia, Ecuador, Peru

Deposits in Oceania Continent

Australia
New South Wales, Victoria, Western Australia

Definition >>
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Sedimentary Rocks

Information about Marl

Rocks are naturally occurring solids which are composed of minerals & have been used by humans since ages. From Stone Age, rocks are used for various purposes. Also, the metals and minerals found in rock play an important role in our life. Get to know all the Marl Uses. We have provided you with all information about Marl rock here. Marl is an unconsolidated sedimentary rock consisting of clay and lime. Marl is available in beige, brown, green, grey, white colors. The streak of a rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Marl is white. Get to know more about Marl rock and characteristics of Marl rock in the next sections.

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