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Marl
Marl

Rhyolite
Rhyolite



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Marl
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Rhyolite

Marl vs Rhyolite

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Definition

Definition

Marl is an unconsolidated sedimentary rock consisting of clay and lime
Rhyolite is a fine-grained igneous rock which is rich in silica

History

Origin

-
North America

Discoverer

William Smith
Ferdinand von Richthofen

Etymology

From Old French marle, from Late Latin marglia
From German Rhyolit, from Greek rhuax lava stream + lithos stone

Class

Sedimentary Rocks
Igneous Rocks

Sub-Class

Durable Rock, Soft Rock
Durable Rock, Hard Rock

Family

Group

-
Volcanic

Other Categories

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

Texture

Texture

Earthy
Aphanitic, Glassy, Porphyritic

Color

Beige, Brown, Green, Grey, White
Grey, White, Light Black

Maintenance

Less
More

Durability

Durable
Durable

Water Resistant

Scratch Resistant

Stain Resistant

Wind Resistant

Acid Resistant

Appearance

Rough and Dull
Banded

Uses

Architecture

Interior Uses

Decorative Aggregates, Floor Tiles
Decorative Aggregates, Homes, Hotels, Interior Decoration, Kitchens

Exterior Uses

As Building Stone, Roof Tiles
As Building Stone, As Facing Stone, Paving Stone, Office Buildings

Other Architectural Uses

Curbing
-

Industry

Construction Industry

Cement Manufacture, Construction Aggregate, for Road Aggregate, Making natural cement, Raw material for the manufacture of mortar
Arrowheads, As Dimension Stone, Building houses or walls, Construction Aggregate, Cutting Tool, for Road Aggregate, Knives

Medical Industry

-
-

Antiquity Uses

Artifacts, Jewellery, Sculpture, Small Figurines
Artifacts

Other Uses

Commercial Uses

Creating Artwork, Soil Conditioner
Gemstone, Laboratory bench tops, Jewelry

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
Pumice Rocks, Obsidian Rocks, Perlite Rocks, Porphyritic Rocks.

Features

Generally rough to touch, Is one of the oldest rock, Splintery, Very fine grained rock
Acidic in nature, Available in lots of colors

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.
Rhyolite is a felsic extrusive rock and due to its high silica content, rhyolite lava is very viscous and is volcanic equivalent of granite.

Composition

Mineral Content

Calcite, Clay, Dolomite, Gypsum, Micas, Pyrite, Quartz
Biotite, Feldspar, Hornblade, Plagioclase, Pyroxene, Quartz

Compound Content

Aluminium Oxide, NaCl, CaO, Iron(III) Oxide, Silicon Dioxide
Ca, Fe, Potassium Oxide, Mg, Potassium, Silicon Dioxide, Sodium

Transformation

Metamorphism

Types of Metamorphism

-
Burial Metamorphism, Cataclastic 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, Sea Erosion, Water Erosion, Wind Erosion

Properties

Physical Properties

Hardness

2-36-7
1 7
👆🏻

Grain Size

Very fine-grained
Large and Coarse Grained

Fracture

Conchoidal
Sub-conchoidal

Streak

White
-

Porosity

Highly Porous
Highly Porous

Luster

Dull
Earthy

Compressive Strength

30.00 N/mm2140.00 N/mm2
0.15 450
👆🏻

Cleavage

-
-

Toughness

2.6
2

Specific Gravity

2.2-2.82.65-2.67
0 8.4
👆🏻

Transparency

Opaque
Opaque

Density

2.4-2.8 g/cm32.4-2.6 g/cm3
0 1400
👆🏻

Thermal Properties

Specific Heat Capacity

0.80 kJ/Kg K0.71 kJ/Kg K
0.14 3.2
👆🏻

Resistance

Heat Resistant, Impact Resistant
Heat Resistant, Wear Resistant

Reserves

Deposits in Eastern Continents

Asia

India, Pakistan, Russia
China, India

Africa

Ethiopia, Kenya, Morocco, South Africa
Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa

Europe

Austria, France, Germany, Greece, Italy, Romania, Scotland, Spain, Switzerland
Germany, Iceland, Ireland, Italy, Spain

Others

-
-

Deposits in Western Continents

North America

USA
Canada, USA

South America

Colombia, Ecuador, Peru
Argentina, Bolivia, Chile, Colombia, Ecuador, Peru, Venezuela

Deposits in Oceania Continent

Australia

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

Marl vs Rhyolite 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 Rhyolite Reserves. Marl is an unconsolidated sedimentary rock consisting of clay and lime. Rhyolite is a fine-grained igneous rock which is rich in silica. 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 Rhyolite information and Marl vs Rhyolite characteristics in the upcoming sections.

Marl vs Rhyolite 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 Rhyolite characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Marl and Properties of Rhyolite. Learn more about Marl vs Rhyolite in the next section. The interior uses of Marl include Decorative aggregates and Floor tiles whereas the interior uses of Rhyolite include Decorative aggregates, Homes, Hotels, Interior decoration and Kitchens. Due to some exceptional properties of Marl and Rhyolite, 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 Rhyolite include Arrowheads, As dimension stone, Building houses or walls, Construction aggregate, Cutting tool, For road aggregate, Knives.

More about Marl and Rhyolite

Here you can know more about Marl and Rhyolite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Marl and Rhyolite consists of mineral content and compound content. The mineral content of Marl includes Calcite, Clay, Dolomite, Gypsum, Micas, Pyrite, Quartz and mineral content of Rhyolite includes Biotite, Feldspar, Hornblade, Plagioclase, Pyroxene, Quartz. You can also check out the list of all Sedimentary Rocks. When we have to compare Marl vs Rhyolite, 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, Rhyolite is available in grey, white, light black colors. Appearance of Marl is Rough and Dull and that of Rhyolite is Banded. Properties of rock is another aspect for Marl vs Rhyolite. The hardness of Marl is 2-3 and that of Rhyolite 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 Rhyolite are Pumice Rocks, Obsidian Rocks, Perlite Rocks, Porphyritic Rocks.. 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 Rhyolite is . The specific heat capacity of Marl is 0.80 kJ/Kg K and that of Rhyolite is 0.71 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 Rhyolite is heat resistant, wear resistant.