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Migmatite
Migmatite




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Migmatite Rock

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Definition

Definition

Migmatite is typically a granitic rock within a metamorphic host rock which is composed of two intermingled but distinguishable components

History

Origin

Southern Alps, France

Discoverer

Jakob Sederholm

Etymology

From the Greek word migma which means a mixture

Class

Metamorphic Rocks

Sub-Class

Durable Rock, Medium Hardness Rock

Family

Group

-

Other Categories

Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock

Texture

Texture

Foliated

Color

Black, Bluish - Grey, Brown, Brown- Black, Dark Greenish - Grey, Dark Grey to Black

Maintenance

More

Durability

Durable

Water Resistant

81% - Metamorphic Rocks Rocks have it !

Scratch Resistant

65% - Metamorphic Rocks Rocks have it !

Stain Resistant

42% - Metamorphic Rocks Rocks

Wind Resistant

19% - Metamorphic Rocks Rocks

Acid Resistant

15% - Metamorphic Rocks Rocks

Appearance

Dull, Banded and Foilated

Uses

Architecture

Interior Uses

Countertops, Flooring, Kitchens

Exterior Uses

As Building Stone, As Facing Stone

Other Architectural Uses

Curbing

Industry

Construction Industry

As Dimension Stone, Cement Manufacture, for Road Aggregate, Making natural cement

Medical Industry

-

Antiquity Uses

Artifacts

Other Uses

Commercial Uses

Cemetery Markers, Jewelry, Tombstones, Used to manufracture paperweights and bookends

Types

Types

Diatexites and Metatexites

Features

Generally rough to touch, Is one of the oldest rock

Archaeological Significance

Monuments

-

Famous Monuments

-

Sculpture

-

Famous Sculptures

-

Pictographs

-

Petroglyphs

-

Figurines

-

Fossils

Absent

Formation

Formation

Migmatites form by high temperature regional and thermal metamorphism of protolith rocks where rocks melt partially due to high temperature.

Composition

Mineral Content

Biotite, Chlorite, Feldspar, Garnet, Graphite, Hornblade, Micas, Muscovite or Illite, Quartz, Quartzite, Silica, Zircon

Compound Content

Aluminium Oxide, NaCl, CaO, Carbon Dioxide, Iron(III) Oxide, FeO, Potassium Oxide, Magnesium Carbonate, MgO, MnO, Phosphorus Pentoxide, Silicon Dioxide, Titanium Dioxide

Transformation

Metamorphism

50% - Metamorphic Rocks Rocks have it !

Types of Metamorphism

Burial Metamorphism, Cataclastic Metamorphism, Regional Metamorphism

Weathering

65% - Metamorphic Rocks Rocks have it !

Types of Weathering

Biological Weathering, Chemical Weathering, Mechanical Weathering

Erosion

77% - Metamorphic Rocks Rocks have it !

Types of Erosion

Chemical Erosion, Glacier Erosion, Water Erosion, Wind Erosion

Properties

Physical Properties

Hardness

5.5-6.5
1 7
👆🏻

Grain Size

Medium to Fine Coarse Grained

Fracture

Irregular

Streak

White

Porosity

Very Less Porous

Luster

Dull to Pearly to Subvitreous

Compressive Strength

120.00 N/mm2
Rank: 26 (Overall)
0.15 450
👆🏻

Cleavage

-

Toughness

1.2

Specific Gravity

2.65-2.75
0 8.4
👆🏻

Transparency

Opaque

Density

-9999 g/cm3
0 1400
👆🏻

Thermal Properties

Specific Heat Capacity

0.79 kJ/Kg K
Rank: 17 (Overall)
0.14 3.2
👆🏻

Resistance

Heat Resistant, Pressure Resistant

Reserves

Deposits in Eastern Continents

Asia

China, India, Iran, Iraq, Kazakhstan, Kyrgyzstan, Mongolia, Russia

Africa

Cameroon, Ethiopia, Ghana, Kenya, Madagascar, Morocco, Mozambique, Namibia, Nigeria, Tanzania, Togo

Europe

Albania, Austria, Bosnia and Herzegovina, Finland, France, Georgia, Germany, Hungary, Italy, Kosovo, Monaco, Norway, Poland, Romania, Serbia, Slovakia, Slovenia, Sweden, Switzerland, Ukraine, United Kingdom

Others

-

Deposits in Western Continents

North America

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

South America

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

Deposits in Oceania Continent

Australia

New South Wales, New Zealand, Queensland, Victoria

Information about Migmatite

Rocks are naturally occurring solids which are composed of minerals & have been used by humans since ages. From Stone Age, rocks are used for various purposes. Also, the metals and minerals found in rock play an important role in our life. Get to know all the Migmatite Uses. We have provided you with all information about Migmatite rock here. Migmatite is typically a granitic rock within a metamorphic host rock which is composed of two intermingled but distinguishable components. Migmatite is available in black, bluish - grey, brown, brown- black, dark greenish - grey, dark grey to black colors. The streak of a rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Migmatite is white. Get to know more about Migmatite rock and characteristics of Migmatite rock in the next sections.