Eclogite

Andesite

Eclogite vs Andesite

Eclogite

Andesite

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Definition

Eclogite is an extreme metamorphic rock, formed by regional metamorphism of basalt rock under very high pressure and temperature

Andesite is a dark, fine-grained, brown or greyish intermediate volcanic rock which is a commonly found in lava

History

Origin

North America

Discoverer

René Just Haüy

Theodor von Gümbel

Etymology

From French, Greek eklogē selection with reference to the selective content of the rock + -ite1

From Andes mountains, where it is found in abundance

Class

Metamorphic Rocks

Igneous Rocks

Sub-Class

Durable Rock, Medium Hardness Rock

Durable Rock, Hard Rock

Family

Group

Volcanic

Other Categories

Fine Grained Rock, Opaque Rock

Texture

Earthy

Aphanitic to Porphyritic

Color

Black, Brown, Green, Grey, Pink, White

Bluish - Grey, Grey, Pink, Yellow

Maintenance

Less

Durability

Durable

Water Resistant

✔ ✘

Scratch Resistant

✔ ✘

Stain Resistant

✔ ✘

Wind Resistant

✔ ✘

Acid Resistant

✔ ✘

Appearance

Dull, Banded and Foilated

Dull and Soft

Uses

Architecture

Interior Uses

Decorative Aggregates, Interior Decoration

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

Exterior Uses

Paving Stone, Garden Decoration

Office Buildings, Roof Tiles

Other Architectural Uses

Curbing

Industry

Construction Industry

Cobblestones, Construction Aggregate, for Road Aggregate

Medical Industry

In Chemical and Pharmaceutical Industry, Medicines and Cosmetics

Antiquity Uses

Artifacts

Artifacts, Monuments, Sculpture, Small Figurines

Other Uses

Commercial Uses

Creating Artwork, Gemstone

Commemorative Tablets, Creating Artwork

Types

Eclogite

Icelandite

Features

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

Generally rough to touch, High silica content, Is one of the oldest rock

Archaeological Significance

Monuments

Famous Monuments

Middle of the Earth in Ecuador

Sculpture

Famous Sculptures

Pictographs

Petroglyphs

Figurines

Fossils

Absent

Formation

Eclogite forms from high-pressure metamorphism of mafic igneous rocks mainly, basalt or gabbro as it plunges into the mantle in a subduction zone.

Andesite is a fine-grained igneous rock that forms when the magma is erupted onto the surface and is crystallized quickly.

Composition

Mineral Content

Amphibole, Coesite, Corundum, Dolomite, Garnet, Kyanite, Lawsonite, Paragonite, Phengite, Pyroxene, Quartz, Rutile, Zoisite

Amphibole, Apatite, Biotite, Feldspar, Garnet, Hornblade, Ilmenite, Magnetite, Plagioclase, Pyroxene, Zircon

Compound Content

Aluminium Oxide, NaCl, CaO, Carbon Dioxide, Iron(III) Oxide, Magnesium Carbonate, MgO, Sodium Oxide, Potassium, Sodium

Silicon Dioxide

Transformation

Metamorphism

✔ ✘

Types of Metamorphism

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

Weathering

✔ ✘

Types of Weathering

Mechanical Weathering

Biological Weathering, Chemical Weathering, Mechanical Weathering

Erosion

✔ ✘

Types of Erosion

Chemical Erosion, Sea Erosion

Chemical Erosion, Coastal Erosion, Glacier Erosion

Properties

Physical Properties

Hardness

3.5-47

1 7

👆🏻

Grain Size

Fine Grained

Very fine-grained

Fracture

Uneven

Streak

White

Porosity

Less Porous

Luster

Subvitreous to Dull

Vitreous

Compressive Strength

200.00 N/mm²225.00 N/mm²

0.15 450

👆🏻

Cleavage

Perfect

Toughness

1.1

Specific Gravity

2.86-2.872.5-2.8

0 8.4

👆🏻

Transparency

Opaque

Density

3.2-3.6 g/cm³2.11-2.36 g/cm³

0 1400

👆🏻

Thermal Properties

Specific Heat Capacity

0.75 kJ/Kg K2.39 kJ/Kg K

0.14 3.2

👆🏻

Resistance

Heat Resistant

Heat Resistant, Pressure Resistant, Wear Resistant

Reserves

Deposits in Eastern Continents

Asia

India, Kazakhstan, Kuwait, Russia, South Korea, Thailand, Turkey

India, Indonesia, Japan, Nepal, South Korea

Africa

Ethiopia, Morocco, South Africa

Egypt, Ethiopia, Morocco, Namibia, South Africa, Tanzania

Europe

France, Germany, Italy, Norway, Scotland

Austria, Finland, Germany, Italy, Romania, Turkey, United Kingdom

Others

Greenland

Deposits in Western Continents

North America

Canada, Costa Rica, Panama, USA

Mexico, USA

South America

Argentina, Brazil, Colombia, Ecuador

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

Deposits in Oceania Continent

Australia

Central Australia, New Zealand, Queensland

New South Wales, New Zealand, Western Australia

Eclogite vs Andesite 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 Eclogite and Andesite Reserves. Eclogite is an extreme metamorphic rock, formed by regional metamorphism of basalt rock under very high pressure and temperature. Andesite is a dark, fine-grained, brown or greyish intermediate volcanic rock which is a commonly found in lava. 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 Eclogite vs Andesite information and Eclogite vs Andesite characteristics in the upcoming sections.

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Eclogite vs Andesite 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. Eclogite vs Andesite characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Eclogite and Properties of Andesite. Learn more about Eclogite vs Andesite in the next section. The interior uses of Eclogite include Decorative aggregates and Interior decoration whereas the interior uses of Andesite include Decorative aggregates, Floor tiles, Homes, Interior decoration and Kitchens. Due to some exceptional properties of Eclogite and Andesite, they have various applications in construction industry. The uses of Eclogite in construction industry include and that of Andesite include Cobblestones, Construction aggregate, For road aggregate.

More about Eclogite and Andesite

Here you can know more about Eclogite and Andesite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Eclogite and Andesite consists of mineral content and compound content. The mineral content of Eclogite includes Amphibole, Coesite, Corundum, Dolomite, Garnet, Kyanite, Lawsonite, Paragonite, Phengite, Pyroxene, Quartz, Rutile, Zoisite and mineral content of Andesite includes Amphibole, Apatite, Biotite, Feldspar, Garnet, Hornblade, Ilmenite, Magnetite, Plagioclase, Pyroxene, Zircon. You can also check out the list of all Metamorphic Rocks. When we have to compare Eclogite vs Andesite, the texture, color and appearance plays an important role in determining the type of rock. Eclogite is available in black, brown, green, grey, pink, white colors whereas, Andesite is available in bluish - grey, grey, pink, yellow colors. Appearance of Eclogite is Dull, Banded and Foilated and that of Andesite is Dull and Soft. Properties of rock is another aspect for Eclogite vs Andesite. The hardness of Eclogite is 3.5-4 and that of Andesite is 7. The types of Eclogite are Eclogite whereas types of Andesite are Icelandite. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Eclogite and Andesite is white. The specific heat capacity of Eclogite is 0.75 kJ/Kg K and that of Andesite is 2.39 kJ/Kg K. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Eclogite is heat resistant whereas Andesite is heat resistant, pressure resistant, wear resistant.