Whiteschist

Cataclasite

Whiteschist and Cataclasite

Whiteschist

Cataclasite

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Definition

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

Cataclasite is a type of cataclastic rock that is formed by fracturing and comminution during faulting. It is normally cohesive and non-foliated, consisting of angular clasts in a finer-grained matrix

History

Origin

Tasmania

Swiss Alps, Europe

Discoverer

Unknown

Michael Tellinger

Etymology

From French schiste, Greek skhistos i.e. split

From the Italian word cataclasi

Class

Metamorphic Rocks

Sub-Class

Durable Rock, Soft Rock

Durable Rock, Medium Hardness Rock

Family

Group

Other Categories

Fine Grained Rock, Medium Grained Rock, Opaque Rock

Fine Grained Rock, Opaque Rock

Texture

Foliated

Clastic

Color

Green, Grey, White

Brown, Green, White, Yellow

Maintenance

Less

Durability

Durable

Water Resistant

✔ ✘

Scratch Resistant

✔ ✘

Stain Resistant

✔ ✘

Wind Resistant

✔ ✘

Acid Resistant

✔ ✘

Appearance

Banded and Foilated

Dull and Banded

Uses

Architecture

Interior Uses

Decorative Aggregates, Interior Decoration

Decorative Aggregates, Homes

Exterior Uses

Garden Decoration, Paving Stone

As Building Stone, As Facing Stone, Paving Stone

Other Architectural Uses

Curbing

Industry

Construction Industry

for Road Aggregate

As Dimension Stone, Building houses or walls, Cement Manufacture, Construction Aggregate, for Road Aggregate

Medical Industry

Antiquity Uses

Artifacts, Monuments, Sculpture, Small Figurines

Artifacts

Other Uses

Commercial Uses

Creating Artwork, Gemstone, Jewelry, Production of Lime

Commemorative Tablets, Creating Artwork

Types

Protocataclasite, Mesocataclasite, Ultracataclasite and Foliated cataclasite

Features

High percentage of mica, Host Rock for Lead

Easily splits into thin plates, Is one of the oldest rock

Archaeological Significance

Monuments

Famous Monuments

Sculpture

Famous Sculptures

Pictographs

Petroglyphs

Figurines

Fossils

Absent

Formation

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.

Cataclasiste rocks mainly form by pressure deep under the Earth's surface, from the extreme heat caused by magma or by the intense collisions and friction of tectonic plates.

Composition

Mineral Content

Carbonate, Coesite, Quartz, Silica

Albite, Apatite, Augite, Biotite, Calcite, Enstatite, Epidote, Feldspar, Micas, Muscovite or Illite, Pyroxene, Quartz

Compound Content

CaO, Mg, MgO, Silicon Dioxide

Silicon Dioxide

Transformation

Metamorphism

✔ ✘

Types of Metamorphism

Weathering

✔ ✘

Types of Weathering

Biological Weathering, Chemical Weathering, Mechanical Weathering

Mechanical Weathering

Erosion

✔ ✘

Types of Erosion

Chemical Erosion, Coastal Erosion, Glacier Erosion

Coastal Erosion, Wind Erosion

Properties

Physical Properties

Hardness

1.53-4

1 7

👆🏻

Grain Size

Fine to Medium Grained

Fine Grained

Fracture

Conchoidal

Streak

White

Black

Porosity

Less Porous

Luster

Subvitreous to Dull

Vitreous

Compressive Strength

200.00 N/mm²50.00 N/mm²

0.15 450

👆🏻

Cleavage

Perfect

Toughness

Specific Gravity

2.862.1

0 8.4

👆🏻

Transparency

Opaque

Translucent to Opaque

Density

2.8-2.9 g/cm³2.9-3.1 g/cm³

0 1400

👆🏻

Thermal Properties

Specific Heat Capacity

0.92 kJ/Kg K0.84 kJ/Kg K

0.14 3.2

👆🏻

Resistance

Heat Resistant

Heat Resistant, Impact Resistant, Pressure Resistant

Reserves

Deposits in Eastern Continents

Asia

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

China, India, Russia, Saudi Arabia, South Korea

Africa

Egypt, Ethiopia, Morocco, Nigeria, South Africa

Egypt, Ethiopia, Kenya, Madagascar, Morocco, South Africa

Europe

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

England, Finland, France, Spain, United Kingdom

Others

Deposits in Western Continents

North America

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

Canada, USA

South America

Brazil, Colombia, Guyana

Argentina, Colombia

Deposits in Oceania Continent

Australia

New South Wales, New Zealand, Queensland

Central Australia, Western Australia

All about Whiteschist and Cataclasite Properties

Know all about Whiteschist and Cataclasite properties here. All properties of rocks are important as they define the type of rock and its application. Whiteschist and Cataclasite belong to Metamorphic Rocks.Texture of Whiteschist is Foliated whereas that of Cataclasite is Clastic. Whiteschist appears Banded and Foilated and Cataclasite appears Dull and Banded. The luster of Whiteschist is subvitreous to dull while that of Cataclasite is vitreous. Whiteschist is available in green, grey, white colors whereas Cataclasite is available in brown, green, white, yellow colors. The commercial uses of Whiteschist are creating artwork, gemstone, jewelry, production of lime and that of Cataclasite are commemorative tablets, creating artwork.