Arkose

Whiteschist

Arkose vs Whiteschist

Arkose

Whiteschist

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Definition

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

Whiteschist is an uncommon rock type belonging to a class of metamorphic rock, this is formed at high-ultra-high pressures

History

Origin

France

Tasmania

Discoverer

Alexandre Brongniart

Unknown

Etymology

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

From French schiste, Greek skhistos i.e. split

Class

Sedimentary Rocks

Metamorphic Rocks

Sub-Class

Durable Rock, Hard Rock

Durable Rock, Soft Rock

Family

Group

Other Categories

Coarse Grained Rock, Opaque Rock

Fine Grained Rock, Medium Grained Rock, Opaque Rock

Texture

Clastic

Foliated

Color

Reddish Brown

Green, Grey, White

Maintenance

Less

Durability

Durable

Water Resistant

✔ ✘

Scratch Resistant

✔ ✘

Stain Resistant

✔ ✘

Wind Resistant

✔ ✘

Acid Resistant

✔ ✘

Appearance

Rough and Dull

Banded and Foilated

Uses

Architecture

Interior Uses

Decorative Aggregates, Homes, Interior Decoration

Decorative Aggregates, Interior Decoration

Exterior Uses

Paving Stone, Office Buildings

Garden Decoration, Paving Stone

Other Architectural Uses

Whetstones

Curbing

Industry

Construction Industry

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

for Road Aggregate

Medical Industry

Antiquity Uses

Artifacts, Sculpture, Small Figurines

Artifacts, Monuments, Sculpture, Small Figurines

Other Uses

Commercial Uses

In aquifers, Soil Conditioner, Source of Magnesia (MgO), Tombstones

Creating Artwork, Gemstone, Jewelry, Production of Lime

Types

Arkose

Features

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

High percentage of mica, Host Rock for Lead

Archaeological Significance

Monuments

Famous Monuments

Sculpture

Famous Sculptures

Pictographs

Petroglyphs

Figurines

Fossils

Present

Absent

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.

Whiteschist is formed by dynamic metamorphism at high temperatures and pressures that aligns the grains of mica, hornblende and other elongated minerals into thin layers.

Composition

Mineral Content

Calcite, Clay, Clay Minerals, Feldspar, Micas, Quartz

Carbonate, Coesite, Quartz, Silica

Compound Content

Aluminium Oxide, CaO, Iron(III) Oxide, Potassium Oxide, MgO, Sodium Oxide, Silicon Dioxide

CaO, Mg, MgO, Silicon Dioxide

Transformation

Metamorphism

✔ ✘

Types of Metamorphism

Weathering

✔ ✘

Types of Weathering

Biological Weathering, Chemical Weathering, Mechanical Weathering

Erosion

✔ ✘

Types of Erosion

Coastal Erosion, Glacier Erosion, Water Erosion, Wind Erosion

Chemical Erosion, Coastal Erosion, Glacier Erosion

Properties

Physical Properties

Hardness

6-71.5

1 7

👆🏻

Grain Size

Coarse Grained

Fine to Medium Grained

Fracture

Conchoidal

Streak

White

Porosity

Highly Porous

Less Porous

Luster

Dull

Subvitreous to Dull

Compressive Strength

80.00 N/mm²200.00 N/mm²

0.15 450

👆🏻

Cleavage

Perfect

Toughness

Specific Gravity

02.86

0 8.4

👆🏻

Transparency

Opaque

Density

-9999 g/cm³2.8-2.9 g/cm³

0 1400

👆🏻

Thermal Properties

Specific Heat Capacity

0.78 kJ/Kg K0.92 kJ/Kg K

0.14 3.2

👆🏻

Resistance

Heat Resistant, Impact Resistant, Pressure Resistant

Heat Resistant

Reserves

Deposits in Eastern Continents

Asia

China, India, Kazakhstan, Mongolia, Russia, Uzbekistan

Afghanistan, Bangladesh, Bhutan, China, India, Japan, Kazakhstan, Malaysia, Pakistan, Russia, Thailand, Turkey, Vietnam

Africa

Namibia, Nigeria, South Africa

Egypt, Ethiopia, Morocco, Nigeria, South Africa

Europe

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

Austria, England, France, Georgia, Germany, Italy, Liechtenstein, Monaco, Norway, Slovenia, Spain, Sweden, Switzerland

Others

Greenland

Deposits in Western Continents

North America

Canada, USA

Canada, Costa Rica, Cuba, Mexico, Panama, USA

South America

Brazil

Brazil, Colombia, Guyana

Deposits in Oceania Continent

Australia

New South Wales, New Zealand

New South Wales, New Zealand, Queensland

Arkose vs Whiteschist 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 Arkose and Whiteschist Reserves. Arkose is a sedimentary rock, specifically a type of sandstone containing at least 25% feldspar. Whiteschist is an uncommon rock type belonging to a class of metamorphic rock, this is formed at high-ultra-high pressures. 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 Arkose vs Whiteschist information and Arkose vs Whiteschist characteristics in the upcoming sections.

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Arkose vs Whiteschist 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. Arkose vs Whiteschist characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Arkose and Properties of Whiteschist. Learn more about Arkose vs Whiteschist in the next section. The interior uses of Arkose include Decorative aggregates, Homes and Interior decoration whereas the interior uses of Whiteschist include Decorative aggregates and Interior decoration. Due to some exceptional properties of Arkose and Whiteschist, they have various applications in construction industry. The uses of Arkose in construction industry include Cement manufacture, Construction aggregate, For road aggregate, Production of glass and ceramics, Raw material for the manufacture of mortar and that of Whiteschist include For road aggregate.

More about Arkose and Whiteschist

Here you can know more about Arkose and Whiteschist. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Arkose and Whiteschist consists of mineral content and compound content. The mineral content of Arkose includes Calcite, Clay, Clay Minerals, Feldspar, Micas, Quartz and mineral content of Whiteschist includes Carbonate, Coesite, Quartz, Silica. You can also check out the list of all Sedimentary Rocks. When we have to compare Arkose vs Whiteschist, the texture, color and appearance plays an important role in determining the type of rock. Arkose is available in reddish brown colors whereas, Whiteschist is available in green, grey, white colors. Appearance of Arkose is Rough and Dull and that of Whiteschist is Banded and Foilated. Properties of rock is another aspect for Arkose vs Whiteschist. The hardness of Arkose is 6-7 and that of Whiteschist is 1.5. The types of Arkose are Arkose whereas types of Whiteschist are -. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Arkose and Whiteschist is white. The specific heat capacity of Arkose is 0.78 kJ/Kg K and that of Whiteschist 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.Arkose is heat resistant, impact resistant, pressure resistant whereas Whiteschist is heat resistant.