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Banded iron formation
Banded iron formation

Evaporite
Evaporite



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Banded iron formation
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Evaporite

Banded iron formation vs Evaporite

Definition

Definition

Banded iron formation are distinctive units of sedimentary rock that are almost always of Precambrian age
A water-soluble mineral sediment resulting from concentration and crystallization by evaporation from an aqueous solution

History

Origin

Western Australia, Minnesota
USA

Discoverer

Johann Gottlob Lehmann
Usiglio

Etymology

From its formation process
From a sediment left after the evaporation

Class

Sedimentary Rocks
Sedimentary Rocks

Sub-Class

Durable Rock, Medium Hardness Rock
Durable Rock, Soft 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
Earthy

Color

Red, Reddish Brown
Green, Grey, Silver, White

Maintenance

Less
Less

Durability

Durable
Durable

Water Resistant

Scratch Resistant

Stain Resistant

Wind Resistant

Acid Resistant

Appearance

Layered, Banded, Veined and Shiny
Glassy, Vesicular and Foilated

Uses

Architecture

Interior Uses

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

Exterior Uses

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

Other Architectural Uses

Curbing, Whetstones
Curbing

Industry

Construction Industry

As Dimension Stone, Used for flooring, stair treads, borders and window sills.
As a Flux in the Production of Steel and Pig Iron, As a Sintering Agent in Steel Industry to process Iron Ore, As Dimension Stone, Cement Manufacture, for Road Aggregate, Making natural cement, Manufacture of Magnesium and Dolomite Refractories

Medical Industry

-
Taken as a Supplement for Calcium or Magnesium

Antiquity Uses

Artifacts
Artifacts

Other Uses

Commercial Uses

As a touchstone, Cemetery Markers, Creating Artwork
Used in the manufacture of Ceramic Powder, Used in the preparation of Sulfuric Acid and Silicon Diborite

Types

Types

Algoma-type , Lake Superior-type, Superior-type and Taconite
Sedimentary rock

Features

Is one of the oldest rock
Generally rough to touch, Splintery, Veined

Archaeological Significance

Monuments

-
-

Famous Monuments

-
-

Sculpture

-
-

Famous Sculptures

-
-

Pictographs

-
-

Petroglyphs

-
-

Figurines

-
-

Fossils

Present
Present

Formation

Formation

The banded iron layers are formed in sea water when oxygen is released by photosynthetic cyano-bacteria. The oxygen then combines with dissolved iron in ocean to form insoluble iron oxides, which precipitated out, forming a thin layer of banded iron formation on ocean floor.
Evaporite is water-soluble mineral sediment which forms from concentration and crystallization by evaporation from an aqueous solution.

Composition

Mineral Content

Hematite, Magnetite, Quartz
Calcite, Cancrinite, Gypsum, Kyanite, Magnetite

Compound Content

Fe, Iron(III) Oxide, Silicon Dioxide
CaMg(CO3)2, CaO, Calcium Sulfate, KCl, MgO, NaCl

Transformation

Metamorphism

Types of Metamorphism

-
Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism, Impact Metamorphism, Regional Metamorphism

Weathering

Types of Weathering

Chemical Weathering
-

Erosion

Types of Erosion

Coastal Erosion, Wind Erosion
-

Properties

Physical Properties

Hardness

5.5-62-3
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
Less Porous

Luster

Earthy
Subvitreous to Dull

Compressive Strength

220.00 N/mm2225.00 N/mm2
0.15 450
👆🏻

Cleavage

-
Perfect

Toughness

1.5
-

Specific Gravity

5.0-5.32.86-2.99
0 8.4
👆🏻

Transparency

Translucent to Opaque
Translucent

Density

-9999 g/cm32.8-2.9 g/cm3
0 1400
👆🏻

Thermal Properties

Specific Heat Capacity

3.20 kJ/Kg K0.92 kJ/Kg K
0.14 3.2
👆🏻

Resistance

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

Reserves

Deposits in Eastern Continents

Asia

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

Africa

Kenya, Morocco, South Africa, Tanzania
-

Europe

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

Others

Greenland, Mid-Atlantic Ridge
-

Deposits in Western Continents

North America

Canada, Mexico, USA
USA

South America

Bolivia, Brazil
Colombia, Paraguay

Deposits in Oceania Continent

Australia

New South Wales, Queensland, South Australia, Western Australia
Central Australia, Western Australia

Banded iron formation vs Evaporite 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 Banded iron formation and Evaporite Reserves. Banded iron formation are distinctive units of sedimentary rock that are almost always of Precambrian age. A water-soluble mineral sediment resulting from concentration and crystallization by evaporation from an aqueous solution. 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 Banded iron formation vs Evaporite information and Banded iron formation vs Evaporite characteristics in the upcoming sections.

Banded iron formation vs Evaporite 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. Banded iron formation vs Evaporite characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Banded iron formation and Properties of Evaporite. Learn more about Banded iron formation vs Evaporite in the next section. The interior uses of Banded iron formation include Decorative aggregates and Homes whereas the interior uses of Evaporite include Decorative aggregates, Entryways, Flooring, Homes and Interior decoration. Due to some exceptional properties of Banded iron formation and Evaporite, they have various applications in construction industry. The uses of Banded iron formation in construction industry include As dimension stone, Used for flooring, stair treads, borders and window sills. and that of Evaporite include As a flux in the production of steel and pig iron, As a sintering agent in steel industry to process iron ore, As dimension stone, Cement manufacture, For road aggregate, Making natural cement, Manufacture of magnesium and dolomite refractories.

More about Banded iron formation and Evaporite

Here you can know more about Banded iron formation and Evaporite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Banded iron formation and Evaporite consists of mineral content and compound content. The mineral content of Banded iron formation includes Hematite, Magnetite, Quartz and mineral content of Evaporite includes Calcite, Cancrinite, Gypsum, Kyanite, Magnetite. You can also check out the list of all Sedimentary Rocks. When we have to compare Banded iron formation vs Evaporite, the texture, color and appearance plays an important role in determining the type of rock. Banded iron formation is available in red, reddish brown colors whereas, Evaporite is available in green, grey, silver, white colors. Appearance of Banded iron formation is Layered, Banded, Veined and Shiny and that of Evaporite is Glassy, Vesicular and Foilated. Properties of rock is another aspect for Banded iron formation vs Evaporite. The hardness of Banded iron formation is 5.5-6 and that of Evaporite is 2-3. The types of Banded iron formation are Algoma-type , Lake Superior-type, Superior-type and Taconite whereas types of Evaporite are Sedimentary rock. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Banded iron formation and Evaporite is white. The specific heat capacity of Banded iron formation is 3.20 kJ/Kg K and that of Evaporite is 0.92 kJ/Kg K. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Banded iron formation is heat resistant, impact resistant, pressure resistant, wear resistant whereas Evaporite is heat resistant, pressure resistant.