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Taconite
Taconite

Epidosite
Epidosite



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Taconite
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Epidosite

Taconite vs Epidosite

Definition

Definition

Taconite is a low-grade iron ore which belongs to sedimentary rock and containing about 27% iron and 51% silica
Epidosite is a highly altered epidote and quartz bearing rock which is a type of metasomatite, essentially altered basalt

History

Origin

Western Australia, Minnesota
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Discoverer

Newton Horace Winchell
Unknown

Etymology

From the name of Taconic Mountains in New England
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Class

Sedimentary Rocks
Igneous Rocks

Sub-Class

Durable Rock, Medium Hardness Rock
Durable Rock, Medium Hardness Rock

Family

Group

-
Volcanic

Other Categories

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

Texture

Texture

Banded, Trellis
Glassy, Massive, Porphyritic, Scoriaceous, Vesicular

Color

Red, Reddish Brown
Black, Brown, Light to Dark Grey

Maintenance

Less
Less

Durability

Durable
Durable

Water Resistant

Scratch Resistant

Stain Resistant

Wind Resistant

Acid Resistant

Appearance

Layered, Banded, Veined and Shiny
Dull and Soft

Uses

Architecture

Interior Uses

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

Exterior Uses

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

Other Architectural Uses

Curbing
Curbing

Industry

Construction Industry

As Dimension Stone, Used for flooring, stair treads, borders and window sills.
As Dimension Stone, Cobblestones, Rail Track Ballast, Roadstone

Medical Industry

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Antiquity Uses

Artifacts
Artifacts, Monuments, Sculpture, Small Figurines

Other Uses

Commercial Uses

As a touchstone, Cemetery Markers, Creating Artwork
Commemorative Tablets, Creating Artwork

Types

Types

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

Features

Is one of the oldest rock
Has High structural resistance against erosion and climate, Very fine grained rock

Archaeological Significance

Monuments

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Famous Monuments

-
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Sculpture

-
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Famous Sculptures

-
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Pictographs

-
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Petroglyphs

-
-

Figurines

-
-

Fossils

Present
Absent

Formation

Formation

Taconite is a type of sedimentary rock formed when a river carries or transports pieces of broken rock as it flows. When the river reaches a lake or sea, its load of transported rocks settles or deposits at the bottom of sea or lake.
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

Hematite, Magnetite, Quartz
Olivine, Plagioclase, Pyroxene

Compound Content

Fe, Iron(III) Oxide, Silicon 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

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Burial Metamorphism, Cataclastic Metamorphism, Hydrothermal Metamorphism, Impact Metamorphism

Weathering

Types of Weathering

Biological Weathering, Mechanical Weathering
Biological Weathering, Chemical Weathering, Mechanical Weathering

Erosion

Types of Erosion

Chemical Erosion, Coastal Erosion, Glacier Erosion, Water Erosion, Wind Erosion
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Properties

Physical Properties

Hardness

5.5-66
1 7
👆🏻

Grain Size

Large and Coarse Grained
Fine to Coarse Grained

Fracture

Uneven, Splintery or Conchoidal
Conchoidal

Streak

White
White to Grey

Porosity

Highly Porous
Less Porous

Luster

Earthy
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Compressive Strength

190.00 N/mm2160.00 N/mm2
0.15 450
👆🏻

Cleavage

-
-

Toughness

1.5
2.3

Specific Gravity

5-5.32.8-3
0 8.4
👆🏻

Transparency

Translucent to Opaque
Opaque

Density

-9999 g/cm3-9999 g/cm3
0 1400
👆🏻

Thermal Properties

Specific Heat Capacity

3.20 kJ/Kg K0.84 kJ/Kg K
0.14 3.2
👆🏻

Resistance

Heat Resistant, Impact Resistant, Pressure Resistant, Wear Resistant
Heat Resistant, Pressure Resistant, Wear Resistant

Reserves

Deposits in Eastern Continents

Asia

China, India, Iran, Iraq, Oman, Russia, Saudi Arabia, Taiwan, Thailand, Vietnam
India, Russia

Africa

Kenya, Morocco, South Africa, Tanzania
South Africa

Europe

Austria, France, Greece, Italy, Malta, Poland, Portugal, Serbia, Spain, Sweden, United Kingdom
Iceland

Others

Greenland, Mid-Atlantic Ridge
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Deposits in Western Continents

North America

Canada, Mexico, USA
Canada, USA

South America

Bolivia, Brazil
Brazil

Deposits in Oceania Continent

Australia

New South Wales, Queensland, South Australia, Western Australia
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Taconite vs Epidosite 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 Taconite and Epidosite Reserves. Taconite is a low-grade iron ore which belongs to sedimentary rock and containing about 27% iron and 51% silica. Epidosite is a highly altered epidote and quartz bearing rock which is a type of metasomatite, essentially altered basalt. 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 Taconite vs Epidosite information and Taconite vs Epidosite characteristics in the upcoming sections.

Taconite vs Epidosite 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. Taconite vs Epidosite characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Taconite and Properties of Epidosite. Learn more about Taconite vs Epidosite in the next section. The interior uses of Taconite include Decorative aggregates, Entryways, Flooring, Homes and Interior decoration whereas the interior uses of Epidosite include Decorative aggregates, Floor tiles, Homes, Hotels and Interior decoration. Due to some exceptional properties of Taconite and Epidosite, they have various applications in construction industry. The uses of Taconite in construction industry include As dimension stone, Used for flooring, stair treads, borders and window sills. and that of Epidosite include As dimension stone, Cobblestones, Rail track ballast, Roadstone.

More about Taconite and Epidosite

Here you can know more about Taconite and Epidosite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Taconite and Epidosite consists of mineral content and compound content. The mineral content of Taconite includes Hematite, Magnetite, Quartz and mineral content of Epidosite includes Olivine, Plagioclase, Pyroxene. You can also check out the list of all Sedimentary Rocks. When we have to compare Taconite vs Epidosite, the texture, color and appearance plays an important role in determining the type of rock. Taconite is available in red, reddish brown colors whereas, Epidosite is available in black, brown, light to dark grey colors. Appearance of Taconite is Layered, Banded, Veined and Shiny and that of Epidosite is Dull and Soft. Properties of rock is another aspect for Taconite vs Epidosite. The hardness of Taconite is 5.5-6 and that of Epidosite is 6. The types of Taconite are Iron formation whereas types of Epidosite are Alkaline Basalt, Boninite, High Alumina Basalt, Mid Ocean Ridge Basalt (MORB), Tholeiitic Basalt, Basaltic trachyandesite, Mugearite and Shoshonite. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Taconite is white while that of Epidosite is white to grey. The specific heat capacity of Taconite is 3.20 kJ/Kg K and that of Epidosite is 0.84 kJ/Kg K. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Taconite is heat resistant, impact resistant, pressure resistant, wear resistant whereas Epidosite is heat resistant, pressure resistant, wear resistant.