Eclogite

Scoria

Eclogite and Scoria

Eclogite

Scoria

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1 Definition

1.1 Definition

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

Scoria is a dark-colored extrusive igneous rock with abundant round bubble-like cavities

1.2 History

1.2.1 Origin

Unknown

1.2.2 Discoverer

René Just Haüy

Unknown

1.3 Etymology

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

From late Middle English (denoting slag from molten metal), from Greek skōria refuse, from skōr dung

1.4 Class

Metamorphic Rocks

Igneous Rocks

1.4.1 Sub-Class

Durable Rock, Medium Hardness Rock

1.5 Family

1.5.1 Group

Not Applicable

Volcanic

1.6 Other Categories

Fine Grained Rock, Opaque Rock

2 Texture

2.1 Texture

Earthy

Vesicular

2.2 Color

Black, Brown, Colourless, Green, Grey, Pink, White

Black, Brown, Dark Grey to Black, Red

2.3 Maintenance

Less

2.4 Durability

Durable

2.4.1 Water Resistant

✔ ✘

81% Metamorphic Rocks Rocks have it !

✔ ✘

81% Igneous Rocks Rocks have it !

2.4.2 Scratch Resistant

✔ ✘

65% Metamorphic Rocks Rocks have it !

✔ ✘

86% Igneous Rocks Rocks have it !

2.4.3 Stain Resistant

✔ ✘

42% Metamorphic Rocks Rocks have it !

✔ ✘

66% Igneous Rocks Rocks have it !

2.4.4 Wind Resistant

✔ ✘

19% Metamorphic Rocks Rocks have it !

✔ ✘

49% Igneous Rocks Rocks have it !

2.4.5 Acid Resistant

✔ ✘

15% Metamorphic Rocks Rocks have it !

✔ ✘

48% Igneous Rocks Rocks have it !

2.5 Appearance

Dull, Banded and Foilated

Glassy and Vesicular

3 Uses

3.1 Architecture

3.1.1 Interior Uses

Decorative Aggregates, Interior Decoration

3.1.2 Exterior Uses

Paving Stone, Garden Decoration

Garden Decoration, Paving Stone

3.1.3 Other Architectural Uses

Curbing

3.2 Industry

3.2.1 Construction Industry

Not Yet Used

Cement Manufacture, Construction Aggregate, for Road Aggregate, In landscaping and drainage works

3.2.2 Medical Industry

In Chemical and Pharmaceutical Industry, Medicines and Cosmetics

Not Yet Used

3.3 Antiquity Uses

Artifacts

Artifacts, Monuments, Sculpture

3.4 Other Uses

3.4.1 Commercial Uses

Creating Artwork, Gemstone

As a traction material on snow-covered roads, Creating Artwork, High-temperature insulation, In gas barbecue grills

4 Types

4.1 Types

Not Available

4.2 Features

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

Available in Lots of Colors and Patterns, Generally rough to touch, Surfaces are often shiny

4.3 Archaeological Significance

4.3.1 Monuments

Not Yet Used

Used

4.3.2 Famous Monuments

Not Applicable

Data Not Available

4.3.3 Sculpture

Not Yet Used

Used

4.3.4 Famous Sculptures

Not Applicable

Data Not Available

4.3.5 Pictographs

Used

4.3.6 Petroglyphs

Used

4.3.7 Figurines

Not Yet Used

Used

4.4 Fossils

Absent

5 Formation

5.1 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.

Scoria forms when magma containing huge amount of dissolved gas flows from a volcano during an eruption.

5.2 Composition

5.2.1 Mineral Content

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

Apatite, Biotite, Calcite, Feldspar, Hematite, Hornblade, Ilmenite, Magnetite, Olivine, Pyroxene, Quartz, Silica

5.2.2 Compound Content

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

Ca, NaCl

5.3 Transformation

5.3.1 Metamorphism

✔ ✘

50% Metamorphic Rocks Rocks have it !

✔ ✘

97% Igneous Rocks Rocks have it !

5.3.2 Types of Metamorphism

Not Applicable

Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism

5.3.3 Weathering

✔ ✘

65% Metamorphic Rocks Rocks have it !

✔ ✘

99% Igneous Rocks Rocks have it !

5.3.4 Types of Weathering

Mechanical Weathering

Biological Weathering, Chemical Weathering, Mechanical Weathering

5.3.5 Erosion

✔ ✘

77% Metamorphic Rocks Rocks have it !

✔ ✘

92% Igneous Rocks Rocks have it !

5.3.6 Types of Erosion

Chemical Erosion, Sea Erosion

Chemical Erosion, Coastal Erosion, Glacier Erosion

6 Properties

6.1 Physical Properties

6.1.1 Hardness

3.5-4

5-6

6.1.2 Grain Size

Fine Grained

6.1.3 Fracture

Not Available

Conchoidal

6.1.4 Streak

White

6.1.5 Porosity

Less Porous

Highly Porous

6.1.6 Luster

Subvitreous to Dull

6.1.7 Compressive Strength

What Is Flint

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▼

Not Available

Rank: N/A (Overall)▶

Not Available

Rank: N/A (Overall)▶

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What Is Obsidian

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▶

175 (What Is Grani..)

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6.1.8 Cleavage

Perfect

6.1.9 Toughness

Not Available

2.1

6.1.10 Specific Gravity

2.86-2.87

Not Available

6.1.11 Transparency

Opaque

6.1.12 Density

3.2-3.6 g/cm³

Not Available

6.2 Thermal Properties

6.2.1 Specific Heat Capacity

What Is Banded ..

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▶

▼

Not Available

Rank: N/A (Overall)▶

Not Available

Rank: N/A (Overall)▶

▲

What Is Granulite

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1.09 (What Is Trave..)

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6.2.2 Resistance

Heat Resistant

Heat Resistant, Impact Resistant, Pressure Resistant, Wear Resistant

7 Reserves

7.1 Deposits in Eastern Continents

7.1.1 Asia

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

Afghanistan, Indonesia, Japan, Russia

7.1.2 Africa

Ethiopia, Morocco, South Africa

Ethiopia, Kenya, Tanzania

7.1.3 Europe

France, Germany, Italy, Norway, Scotland

Greece, Hungary, Iceland, Italy, Turkey

7.1.4 Others

Greenland

Not Yet Found

7.2 Deposits in Western Continents

7.2.1 North America

Canada, Costa Rica, Panama, USA

Bahamas, Barbados, Canada, Costa Rica, Cuba, Jamaica, Mexico, USA

7.2.2 South America

Argentina, Brazil, Colombia, Ecuador

Argentina, Chile, Ecuador, Peru

7.3 Deposits in Oceania Continent

7.3.1 Australia

Central Australia, New Zealand, Queensland

New Zealand, Western Australia

All about Eclogite and Scoria Properties

Know all about Eclogite and Scoria properties here. All properties of rocks are important as they define the type of rock and its application. Eclogite belongs to Metamorphic Rocks while Scoria belongs to Igneous Rocks.Texture of Eclogite is Earthy whereas that of Scoria is Vesicular. Eclogite appears Dull, Banded and Foilated and Scoria appears Glassy and Vesicular. The luster of Eclogite and Scoria is subvitreous to dull. Eclogite is available in black, brown, colourless, green, grey, pink, white colors whereas Scoria is available in black, brown, dark grey to black, red colors. The commercial uses of Eclogite are creating artwork, gemstone and that of Scoria are as a traction material on snow-covered roads, creating artwork, high-temperature insulation, in gas barbecue grills.