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Taconite
Taconite

Schist
Schist



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Taconite
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Taconite vs Schist

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Definition

Definition

Taconite is a low-grade iron ore which belongs to sedimentary rock and containing about 27% iron and 51% silica
Schist is a medium grade metamorphic rock with medium to large, flat, sheet like grains in a preferred orientation

History

Origin

Western Australia, Minnesota
-

Discoverer

Newton Horace Winchell
Unknown

Etymology

From the name of Taconic Mountains in New England
From French schiste, Greek skhistos i.e. split

Class

Sedimentary Rocks
Metamorphic Rocks

Sub-Class

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

Family

Group

-
-

Other Categories

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

Texture

Texture

Banded, Trellis
Foliated, Platy

Color

Red, Reddish Brown
Black, Blue, Brown, Dark Brown, Green, Grey, Silver

Maintenance

Less
Less

Durability

Durable
Durable

Water Resistant

Scratch Resistant

Stain Resistant

Wind Resistant

Acid Resistant

Appearance

Layered, Banded, Veined and Shiny
Layered and Shiny

Uses

Architecture

Interior Uses

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

Exterior Uses

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

Other Architectural Uses

Curbing
-

Industry

Construction Industry

As Dimension Stone, Used for flooring, stair treads, borders and window sills.
As Dimension Stone, Building houses or walls, Cement Manufacture, for Road Aggregate, Roadstone

Medical Industry

-
-

Antiquity Uses

Artifacts
Artifacts

Other Uses

Commercial Uses

As a touchstone, Cemetery Markers, Creating Artwork
Used in aquariums, Writing Slates

Types

Types

Iron formation
Mica Schists, Calc-Silicate Schists, Graphite Schists, Blueschists, Whiteschists, Greenschists, Hornblende Schist, Talc Schist, Chlorite Schist, Garnet Schist, Glaucophane schist.

Features

Is one of the oldest rock
Easily splits into thin plates, Smooth to touch

Archaeological Significance

Monuments

-
-

Famous Monuments

-
-

Sculpture

-
-

Famous Sculptures

-
-

Pictographs

-
-

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.
Schist formed by dynamic metamorphism at high temperatures and pressures that aligns the grains of mica, hornblende and other elongated minerals into thin layers.

Composition

Mineral Content

Hematite, Magnetite, Quartz
Alusite, Amphibole, Biotite, Chlorite, Epidote, Feldspar, Garnet, Graphite, Hornblade, Kyanite, Micas, Muscovite or Illite, Porphyroblasts, Quartz, Sillimanite, Staurolite, Talc

Compound Content

Fe, Iron(III) Oxide, Silicon Dioxide
CaO, Carbon Dioxide, MgO

Transformation

Metamorphism

Types of 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
Chemical Erosion, Coastal Erosion, Glacier Erosion

Properties

Physical Properties

Hardness

5.5-63.5-4
1 7
👆🏻

Grain Size

Large and Coarse Grained
Medium to Fine Coarse Grained

Fracture

Uneven, Splintery or Conchoidal
Conchoidal

Streak

White
White

Porosity

Highly Porous
Highly Porous

Luster

Earthy
Shiny

Compressive Strength

190.00 N/mm2150.00 N/mm2
0.15 450
👆🏻

Cleavage

-
Slaty

Toughness

1.5
1.5

Specific Gravity

5-5.32.5-2.9
0 8.4
👆🏻

Transparency

Translucent to Opaque
Opaque

Density

-9999 g/cm32.8-2.9 g/cm3
0 1400
👆🏻

Thermal Properties

Specific Heat Capacity

3.20 kJ/Kg K0.70 kJ/Kg K
0.14 3.2
👆🏻

Resistance

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

Reserves

Deposits in Eastern Continents

Asia

China, India, Iran, Iraq, Oman, Russia, Saudi Arabia, Taiwan, Thailand, Vietnam
Afghanistan, Bangladesh, Bhutan, China, India, Japan, Kazakhstan, Malaysia, Pakistan, Russia, Thailand, Turkey, Vietnam

Africa

Kenya, Morocco, South Africa, Tanzania
Egypt, Ethiopia, Morocco, Nigeria, South Africa

Europe

Austria, France, Greece, Italy, Malta, Poland, Portugal, Serbia, Spain, Sweden, United Kingdom
Austria, England, France, Georgia, Germany, Italy, Liechtenstein, Monaco, Norway, Slovenia, Spain, Sweden, Switzerland

Others

Greenland, Mid-Atlantic Ridge
-

Deposits in Western Continents

North America

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

South America

Bolivia, Brazil
Brazil, Colombia, Guyana

Deposits in Oceania Continent

Australia

New South Wales, Queensland, South Australia, Western Australia
New South Wales, New Zealand, Queensland

Taconite vs Schist 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 Schist Reserves. Taconite is a low-grade iron ore which belongs to sedimentary rock and containing about 27% iron and 51% silica. Schist is a medium grade metamorphic rock with medium to large, flat, sheet like grains in a preferred orientation. 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 Schist information and Taconite vs Schist characteristics in the upcoming sections.

Taconite vs Schist 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 Schist characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Taconite and Properties of Schist. Learn more about Taconite vs Schist in the next section. The interior uses of Taconite include Decorative aggregates, Entryways, Flooring, Homes and Interior decoration whereas the interior uses of Schist include Decorative aggregates, Floor tiles and Interior decoration. Due to some exceptional properties of Taconite and Schist, 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 Schist include As dimension stone, Building houses or walls, Cement manufacture, For road aggregate, Roadstone.

More about Taconite and Schist

Here you can know more about Taconite and Schist. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Taconite and Schist consists of mineral content and compound content. The mineral content of Taconite includes Hematite, Magnetite, Quartz and mineral content of Schist includes Alusite, Amphibole, Biotite, Chlorite, Epidote, Feldspar, Garnet, Graphite, Hornblade, Kyanite, Micas, Muscovite or Illite, Porphyroblasts, Quartz, Sillimanite, Staurolite, Talc. You can also check out the list of all Sedimentary Rocks. When we have to compare Taconite vs Schist, the texture, color and appearance plays an important role in determining the type of rock. Taconite is available in red, reddish brown colors whereas, Schist is available in black, blue, brown, dark brown, green, grey, silver colors. Appearance of Taconite is Layered, Banded, Veined and Shiny and that of Schist is Layered and Shiny. Properties of rock is another aspect for Taconite vs Schist. The hardness of Taconite is 5.5-6 and that of Schist is 3.5-4. The types of Taconite are Iron formation whereas types of Schist are Mica Schists, Calc-Silicate Schists, Graphite Schists, Blueschists, Whiteschists, Greenschists, Hornblende Schist, Talc Schist, Chlorite Schist, Garnet Schist, Glaucophane schist.. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Taconite and Schist is white. The specific heat capacity of Taconite is 3.20 kJ/Kg K and that of Schist is 0.70 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 Schist is impact resistant, pressure resistant, water resistant.