Wehrlite

Epidosite

Wehrlite and Epidosite

Wehrlite

Epidosite

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Definition

Wehrlite is an ultramafic and ultrabasic rock that is a mixture of olivine and clinopyroxene. It is a subdivision of the peridotites

Epidosite is a highly altered epidote and quartz bearing rock which is a type of metasomatite, essentially altered basalt

History

Origin

Egypt

Discoverer

Alois Wehrle

Unknown

Etymology

From the name of a professor, Alois Wehrle

Class

Igneous Rocks

Sub-Class

Durable Rock, Medium Hardness Rock

Family

Group

Plutonic

Volcanic

Other Categories

Coarse Grained Rock, Opaque Rock

Coarse Grained Rock, Fine Grained Rock, Opaque Rock

Texture

Banded

Glassy, Massive, Porphyritic, Scoriaceous, Vesicular

Color

Dark Greenish - Grey, Green

Black, Brown, Light to Dark Grey

Maintenance

Less

Durability

Durable

Water Resistant

✔ ✘

Scratch Resistant

✔ ✘

Stain Resistant

✔ ✘

Wind Resistant

✔ ✘

Acid Resistant

✔ ✘

Appearance

Rough and Banded

Dull and Soft

Uses

Architecture

Interior Uses

Decorative Aggregates, Interior Decoration

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

Exterior Uses

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

As Facing Stone, Garden Decoration, Office Buildings, Paving Stone

Other Architectural Uses

Curbing

Industry

Construction Industry

As Dimension Stone, Cobblestones

As Dimension Stone, Cobblestones, Rail Track Ballast, Roadstone

Medical Industry

Antiquity Uses

Artifacts, Monuments, Sculpture, Small Figurines

Other Uses

Commercial Uses

Cemetery Markers, Creating Artwork, Gemstone, Jewelry

Commemorative Tablets, Creating Artwork

Types

Ultramafic rock

Alkaline Basalt, Boninite, High Alumina Basalt, Mid Ocean Ridge Basalt (MORB), Tholeiitic Basalt, Basaltic trachyandesite, Mugearite and Shoshonite

Features

Constitutes upper part of the Earth's mantle, Generally rough to touch, Is one of the oldest rock

Has High structural resistance against erosion and climate, Very fine grained rock

Archaeological Significance

Monuments

Famous Monuments

Sculpture

Famous Sculptures

Pictographs

Petroglyphs

Figurines

Fossils

Absent

Formation

Wehrlite is a fine-grained, hard rock which is a type of metasomatite, essentially altered basalt. It forms with or without crystallization, either below the surface as intrusive rocks or on the surface as extrusive rocks.

Epidosite is a fine-grained, hard rock which is a type of metasomatite, essentially altered basalt. It forms with or without crystallization, either below the surface as intrusive rocks or on the surface as extrusive rocks.

Composition

Mineral Content

Pyroxene

Olivine, Plagioclase, Pyroxene

Compound Content

Aluminium Oxide, CaO, Carbon Dioxide, Iron(III) Oxide, FeO, Potassium Oxide, MgO, Sodium Oxide, Phosphorus Pentoxide, Silicon Dioxide, Titanium Dioxide

Aluminium Oxide, CaO, Iron(III) Oxide, FeO, Potassium Oxide, MgO, MnO, Sodium Oxide, Phosphorus Pentoxide, Silicon Dioxide, Titanium Dioxide

Transformation

Metamorphism

✔ ✘

Types of Metamorphism

Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism, Impact Metamorphism, Regional Metamorphism

Burial Metamorphism, Cataclastic Metamorphism, Hydrothermal Metamorphism, Impact Metamorphism

Weathering

✔ ✘

Types of Weathering

Biological Weathering, Chemical Weathering, Mechanical Weathering

Erosion

✔ ✘

Types of Erosion

Chemical Erosion, Coastal Erosion, Water Erosion

Properties

Physical Properties

Hardness

5.5-66

1 7

👆🏻

Grain Size

Coarse Grained

Fine to Coarse Grained

Fracture

Irregular

Conchoidal

Streak

White

White to Grey

Porosity

Less Porous

Luster

Metallic

Compressive Strength

100.00 N/mm²160.00 N/mm²

0.15 450

👆🏻

Cleavage

Perfect

Toughness

2.1

2.3

Specific Gravity

8.42.8-3

0 8.4

👆🏻

Transparency

Opaque

Density

2.6-3.7 g/cm³-9999 g/cm³

0 1400

👆🏻

Thermal Properties

Specific Heat Capacity

0.63 kJ/Kg K0.84 kJ/Kg K

0.14 3.2

👆🏻

Resistance

Heat Resistant, Impact Resistant, Pressure Resistant

Heat Resistant, Pressure Resistant, Wear Resistant

Reserves

Deposits in Eastern Continents

Asia

China, India, Indonesia, Kazakhstan, Russia, South Korea, Thailand, Turkey

India, Russia

Africa

Morocco, South Africa

South Africa

Europe

Finland, France, Georgia, Germany, Great Britain, Italy, Kazakhstan, Netherlands, Norway, Spain, Switzerland

Iceland

Others

Deposits in Western Continents

North America

Canada, USA

South America

Brazil

Deposits in Oceania Continent

Australia

New Zealand, Western Australia

All about Wehrlite and Epidosite Properties

Know all about Wehrlite and Epidosite properties here. All properties of rocks are important as they define the type of rock and its application. Wehrlite and Epidosite belong to Igneous Rocks.Texture of Wehrlite is Banded whereas that of Epidosite is Glassy, Massive, Porphyritic, Scoriaceous, Vesicular. Wehrlite appears Rough and Banded and Epidosite appears Dull and Soft. The luster of Wehrlite is metallic while that of Epidosite is . Wehrlite is available in dark greenish - grey, green colors whereas Epidosite is available in black, brown, light to dark grey colors. The commercial uses of Wehrlite are cemetery markers, creating artwork, gemstone, jewelry and that of Epidosite are commemorative tablets, creating artwork.