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Marl
Marl

Pumice
Pumice



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Marl
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Pumice

Marl vs Pumice

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Definition

Definition

Marl is an unconsolidated sedimentary rock consisting of clay and lime
Pumice is a volcanic rock that consists of highly vesicular rough textured volcanic glass, which may or may not contain crystals

History

Origin

-
Spain

Discoverer

William Smith
Unknown

Etymology

From Old French marle, from Late Latin marglia
From Old French pomis, from a Latin dialect variant of pumex

Class

Sedimentary Rocks
Igneous Rocks

Sub-Class

Durable Rock, Soft Rock
Durable Rock, Medium Hardness Rock

Family

Group

-
Volcanic

Other Categories

Fine Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock

Texture

Texture

Earthy
Vesicular

Color

Beige, Brown, Green, Grey, White
Beige, Grey, Light Green, Light Grey, Pink, White, Yellow- grey

Maintenance

Less
Less

Durability

Durable
Durable

Water Resistant

Scratch Resistant

Stain Resistant

Wind Resistant

Acid Resistant

Appearance

Rough and Dull
Vesicular

Uses

Architecture

Interior Uses

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

Exterior Uses

As Building Stone, Roof Tiles
As Building Stone, As Facing Stone, Garden Decoration, Paving Stone

Other Architectural Uses

Curbing
Curbing, Powder

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, for Road Aggregate, In landscaping and horticulture, Making natural cement, Production of lightweight concrete blocks

Medical Industry

-
As an abrasive in skin exfoliating products, In Chemical and Pharmaceutical Industry, Medicines and Cosmetics

Antiquity Uses

Artifacts, Jewellery, Sculpture, Small Figurines
Artifacts

Other Uses

Commercial Uses

Creating Artwork, Soil Conditioner
As a traction material on snow-covered roads, As an abrasive in pencil erasers, Fine abrasive used for polishing, Manufacture of Soap, Solvents, Dyes, Plastics and Fibres, Used in aquariums

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
Scoria

Features

Generally rough to touch, Is one of the oldest rock, Splintery, Very fine grained rock
Host Rock for Lead

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.
Pumice rock forms when the magma cools so quickly that atoms in the melt are not able to arrange themselves into a crystalline structure.

Composition

Mineral Content

Calcite, Clay, Dolomite, Gypsum, Micas, Pyrite, Quartz
Aluminum Oxides, Calcite, Carbonate, Iron Oxides, Silica

Compound Content

Aluminium Oxide, NaCl, CaO, Iron(III) Oxide, Silicon Dioxide
Al, Aluminium Oxide, CaO, Carbon Dioxide, MgO, Silicon Dioxide

Transformation

Metamorphism

Types of Metamorphism

-
Burial Metamorphism, Impact 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
1 7
👆🏻

Grain Size

Very fine-grained
Fine Grained

Fracture

Conchoidal
Planar

Streak

White
White, Greenish White or Grey

Porosity

Highly Porous
Highly Porous

Luster

Dull
Earthy

Compressive Strength

30.00 N/mm251.20 N/mm2
0.15 450
👆🏻

Cleavage

-
Perfect

Toughness

2.6
3

Specific Gravity

2.2-2.82.86
0 8.4
👆🏻

Transparency

Opaque
Opaque

Density

2.4-2.8 g/cm30.25-0.3 g/cm3
0 1400
👆🏻

Thermal Properties

Specific Heat Capacity

0.80 kJ/Kg K0.87 kJ/Kg K
0.14 3.2
👆🏻

Resistance

Heat Resistant, Impact Resistant
Impact Resistant, Pressure Resistant

Reserves

Deposits in Eastern Continents

Asia

India, Pakistan, Russia
Afghanistan, Indonesia, Japan, Russia

Africa

Ethiopia, Kenya, Morocco, South Africa
Ethiopia, Kenya, Tanzania

Europe

Austria, France, Germany, Greece, Italy, Romania, Scotland, Spain, Switzerland
Greece, Hungary, Iceland, Italy, Turkey

Others

-
-

Deposits in Western Continents

North America

USA
Bahamas, Barbados, Canada, Costa Rica, Cuba, Jamaica, Mexico, USA

South America

Colombia, Ecuador, Peru
Argentina, Chile, Ecuador, Peru

Deposits in Oceania Continent

Australia

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

Marl vs Pumice 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 Pumice Reserves. Marl is an unconsolidated sedimentary rock consisting of clay and lime. Pumice is a volcanic rock that consists of highly vesicular rough textured volcanic glass, which may or may not contain crystals. 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 Pumice information and Marl vs Pumice characteristics in the upcoming sections.

Marl vs Pumice 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 Pumice characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Marl and Properties of Pumice. Learn more about Marl vs Pumice in the next section. The interior uses of Marl include Decorative aggregates and Floor tiles whereas the interior uses of Pumice include Decorative aggregates, Flooring, Homes and Interior decoration. Due to some exceptional properties of Marl and Pumice, 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 Pumice include As dimension stone, Cement manufacture, For road aggregate, In landscaping and horticulture, Making natural cement, Production of lightweight concrete blocks.

More about Marl and Pumice

Here you can know more about Marl and Pumice. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Marl and Pumice consists of mineral content and compound content. The mineral content of Marl includes Calcite, Clay, Dolomite, Gypsum, Micas, Pyrite, Quartz and mineral content of Pumice includes Aluminum Oxides, Calcite, Carbonate, Iron Oxides, Silica. You can also check out the list of all Sedimentary Rocks. When we have to compare Marl vs Pumice, 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, Pumice is available in beige, grey, light green, light grey, pink, white, yellow- grey colors. Appearance of Marl is Rough and Dull and that of Pumice is Vesicular. Properties of rock is another aspect for Marl vs Pumice. The hardness of Marl is 2-3 and that of Pumice is 6. 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 Pumice are Scoria. 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 Pumice is white, greenish white or grey. The specific heat capacity of Marl is 0.80 kJ/Kg K and that of Pumice is 0.87 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 Pumice is impact resistant, pressure resistant.