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Arkose Rock

Types of Hard Rocks

Novaculite
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Granite
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Basalt
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Arkose Definition

Definition
Arkose is a sedimentary rock, specifically a type of sandstone containing at least 25% feldspar

History of Arkose

Origin
France
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Discoverer
Alexandre Brongniart

Etymology
From Auvergne region of France used by a French geologist Alexandre Brongniart in 1826 who applied this term to some feldspathic sandstones

Class
Sedimentary Rocks
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Sub-Class
Durable Rock, Hard Rock
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Arkose Family

Group
Not Applicable

Other Categories
Coarse Grained Rock, Opaque Rock

Arkose Texture

Texture
Clastic
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Arkose Color
Reddish Brown

Maintenance
Less
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Durability
Durable

Water Resistant
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Scratch Resistant
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Stain Resistant
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Wind Resistant
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Acid Resistant
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Appearance
Rough and Dull
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Arkose Uses

Architecture

Interior Uses
Decorative Aggregates, Homes, Interior Decoration
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Exterior Uses
Paving Stone, Office Buildings
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Other Architectural Uses
Whetstones

Industry

Construction Industry
Cement Manufacture, Construction Aggregate, for Road Aggregate, Production of Glass and Ceramics, Raw material for the manufacture of mortar

Medical Industry
Not Yet Used

Antiquity Uses
Artifacts, Sculpture, Small Figurines
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Other Uses

Commercial Uses
In aquifers, Soil Conditioner, Source of Magnesia (MgO), Tombstones
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Arkose Types

Types
Not Available

Features
Available in Lots of Colors and Patterns, Generally rough to touch, Is one of the oldest rock
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Archaeological Significance of Arkose

Monuments
Not Yet Used

Famous Monuments
Not Applicable

Sculpture
Used

Famous Sculptures
Data Not Available

Pictographs
Not Used

Petroglyphs
Not Used

Figurines
Used

Fossils
Present

Formation of Arkose

Formation
Arkose rock forms from the weathering of feldspar-rich igneous or metamorphic rock, most commonly granitic rocks, which are primarily composed of quartz and feldspar.

Composition

Mineral Content
Calcite, Clay, Clay Minerals, Feldspar, Micas, Quartz
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Compound Content
Aluminium Oxide, CaO, Iron(III) Oxide, Potassium Oxide, MgO, Sodium Oxide, Silicon Dioxide
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Transformation

Metamorphism

Types of Metamorphism
Not Applicable

Weathering

Types of Weathering
Biological Weathering, Chemical Weathering, Mechanical Weathering

Erosion

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

Properties of Arkose

Physical Properties of Arkose

Hardness
6-7

Grain Size
Coarse Grained
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Fracture
Conchoidal
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Streak
White
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Porosity
Highly Porous
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Luster
Dull
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Compressive Strength
Not Available
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Cleavage
Not Available
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Toughness
Not Available

Specific Gravity
0

Transparency
Opaque
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Density
Not Available

Thermal Properties of Arkose

Specific Heat Capacity
Not Available
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Resistance
Heat Resistant, Impact Resistant, Pressure Resistant
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Arkose Reserves

Arkose Deposits in Eastern Continents

Asia
China, India, Kazakhstan, Mongolia, Russia, Uzbekistan

Africa
Namibia, Nigeria, South Africa

Europe
Austria, Denmark, Germany, Great Britain, Netherlands, Norway, Poland, Sweden, Switzerland, United Kingdom

Others
Greenland

Arkose Deposits in Western Continents

North America
Canada, USA

South America
Brazil

Arkose Deposits in Oceania Continent

Australia
New South Wales, New Zealand

Information about Arkose

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 Arkose Uses. We have provided you with all information about Arkose rock here. Arkose is a sedimentary rock, specifically a type of sandstone containing at least 25% feldspar. Arkose is available in reddish brown colors. The streak of a rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Arkose is white. Get to know more about Arkose rock and characteristics of Arkose rock in the next sections.

Characteristics of Arkose

Many rocks have distinct characteristics. Some of the Properties of Arkose are hardness, structure, streak, fracture etc. Arkose is significant as it is composed of minerals and has variety of uses in our day to day life. The characteristics of Arkose plays an important role in its identification. The hardness of Arkose is 6-7 on Moh’s hardness scale. Rocks according to their hardness are divided into:Hard Rocks, Soft Rocks and Rocks with Medium Hardness. Fracture of Arkose rock is conchoidal. Its specific heat capacity is Not Available. Arkose is heat resistant, impact resistant, pressure resistant. Some of its uses are:

  • Interior Uses: Decorative aggregates, Homes and Interior decoration.
  • Construction Industry: Cement manufacture, Construction aggregate, For road aggregate, Production of glass and ceramics, Raw material for the manufacture of mortar.

Know more about Arkose rock in the next section.

More About Arkose

Arkose is a type of Sedimentary Rocks. The color of rock is one of its important property. Arkose rock is available in reddish brown colors. It is Rough and Dull in appearance. The Arkose mineral content includes Calcite, Clay, Clay Minerals, Feldspar, Micas, Quartz. Its compound content includes Aluminium Oxide, CaO, Iron(III) Oxide, Potassium Oxide, MgO, Sodium Oxide, Silicon Dioxide. Let’s move on to the types of Arkose. Arkose rock does not have any types. Fossils are the remains of prehistoric plants or animals which are embedded in rock and preserved in petrified form. Fossils are found only in sedimentary rocks. As Arkose belongs to Sedimentary Rocks, fossils are found in it.