Marl

Banded iron formation

Marl vs Banded iron formation

Marl

Banded iron formation

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1 Definition

1.1 Definition

Marl is an unconsolidated sedimentary rock consisting of clay and lime

Banded iron formation are distinctive units of sedimentary rock that are almost always of Precambrian age

1.2 History

1.2.1 Origin

Unknown

Western Australia, Minnesota

1.2.2 Discoverer

Unknown

1.3 Etymology

From Old French marle, from Late Latin marglia

From its formation process

1.4 Class

Sedimentary Rocks

1.4.1 Sub-Class

Durable Rock, Soft Rock

Durable Rock, Medium Hardness Rock

1.5 Family

1.5.1 Group

Not Applicable

1.6 Other Categories

Fine Grained Rock, Opaque Rock

Coarse Grained Rock, Opaque Rock

2 Texture

2.1 Texture

Earthy

Banded, Trellis

2.2 Color

Beige, Brown, Green, Grey, White

Red, Reddish Brown

2.3 Maintenance

Less

2.4 Durability

Durable

2.4.1 Water Resistant

✔ ✘

59% Sedimentary Rocks Rocks have it !

✔ ✘

59% Sedimentary Rocks Rocks have it !

2.4.2 Scratch Resistant

✔ ✘

62% Sedimentary Rocks Rocks have it !

✔ ✘

62% Sedimentary Rocks Rocks have it !

2.4.3 Stain Resistant

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43% Sedimentary Rocks Rocks have it !

✔ ✘

43% Sedimentary Rocks Rocks have it !

2.4.4 Wind Resistant

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38% Sedimentary Rocks Rocks have it !

✔ ✘

38% Sedimentary Rocks Rocks have it !

2.4.5 Acid Resistant

✔ ✘

22% Sedimentary Rocks Rocks have it !

✔ ✘

22% Sedimentary Rocks Rocks have it !

2.5 Appearance

Rough and Dull

Layered, Banded, Veined and Shiny

3 Uses

3.1 Architecture

3.1.1 Interior Uses

Decorative Aggregates, Floor Tiles

Decorative Aggregates, Homes

3.1.2 Exterior Uses

As Building Stone, Roof Tiles

Paving Stone, Office Buildings

3.1.3 Other Architectural Uses

Curbing

Curbing, Whetstones

3.2 Industry

3.2.1 Construction Industry

Cement Manufacture, Construction Aggregate, for Road Aggregate, Making natural cement, Raw material for the manufacture of mortar

As Dimension Stone, Used for flooring, stair treads, borders and window sills.

3.2.2 Medical Industry

Not Yet Used

3.3 Antiquity Uses

Artifacts, Jewellery, Sculpture, Small Figurines

Artifacts

3.4 Other Uses

3.4.1 Commercial Uses

Creating Artwork, Soil Conditioner

As a touchstone, Cemetery Markers, Creating Artwork

4 Types

4.1 Types

Clay Marl ,Blue Marl, Red Marl, High Bank Marl, Shell Layer Marl, Under Shell Layer Marl, Sand Marl, Green Marl, Grey Marl and Clayey Marl

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

4.2 Features

Generally rough to touch, Is one of the oldest rock, Splintery, Very fine grained rock

Is one of the oldest rock

4.3 Archaeological Significance

4.3.1 Monuments

Not Yet Used

4.3.2 Famous Monuments

Not Applicable

4.3.3 Sculpture

Used

Not Yet Used

4.3.4 Famous Sculptures

Data Not Available

Not Applicable

4.3.5 Pictographs

Used

Not Used

4.3.6 Petroglyphs

Used

Not Used

4.3.7 Figurines

Used

Not Yet Used

4.4 Fossils

Present

5 Formation

5.1 Formation

Marl forms when very fine-grained clay particles are deposited in water which settles at the bottom of water bodies and are compacted by overlying sediment; the water squeezes out and hence forming Marl rock.

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.

5.2 Composition

5.2.1 Mineral Content

Calcite, Clay, Dolomite, Gypsum, Micas, Pyrite, Quartz

Hematite, Magnetite, Quartz

5.2.2 Compound Content

Aluminium Oxide, NaCl, CaO, Iron(III) Oxide, Silicon Dioxide

Fe, Iron(III) Oxide, Silicon Dioxide

5.3 Transformation

5.3.1 Metamorphism

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19% Sedimentary Rocks Rocks have it !

✔ ✘

19% Sedimentary Rocks Rocks have it !

5.3.2 Types of Metamorphism

Not Applicable

5.3.3 Weathering

✔ ✘

78% Sedimentary Rocks Rocks have it !

✔ ✘

78% Sedimentary Rocks Rocks have it !

5.3.4 Types of Weathering

Biological Weathering, Chemical Weathering

Chemical Weathering

5.3.5 Erosion

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86% Sedimentary Rocks Rocks have it !

✔ ✘

86% Sedimentary Rocks Rocks have it !

5.3.6 Types of Erosion

Chemical Erosion, Coastal Erosion, Water Erosion, Wind Erosion

Coastal Erosion, Wind Erosion

6 Properties

6.1 Physical Properties

6.1.1 Hardness

2-3

5.5-6

6.1.2 Grain Size

Very fine-grained

Large and Coarse Grained

6.1.3 Fracture

Conchoidal

Uneven, Splintery or Conchoidal

6.1.4 Streak

White

6.1.5 Porosity

Highly Porous

6.1.6 Luster

Dull

Earthy

6.1.7 Compressive Strength

Flint

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▶

▼

Not Available

Rank: N/A (Overall)▶

Not Available

Rank: N/A (Overall)▶

▲

Obsidian

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175 (Granite)

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6.1.8 Cleavage

Not Available

Imperfect

6.1.9 Toughness

2.6

1.5

6.1.10 Specific Gravity

2.2-2.8

5.0-5.3

6.1.11 Transparency

Opaque

Translucent to Opaque

6.1.12 Density

2.4-2.8 g/cm³

Not Available

6.2 Thermal Properties

6.2.1 Specific Heat Capacity

Banded iron for..

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▶

▼

Not Available

Rank: N/A (Overall)▶

3.20 kJ/Kg K

Rank: 1 (Overall)▶

▲

Granulite

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▶

1.09 (Travertine)

◀ ▶ ADD ⊕

6.2.2 Resistance

Heat Resistant, Impact Resistant

Heat Resistant, Impact Resistant, Pressure Resistant, Wear Resistant

7 Reserves

7.1 Deposits in Eastern Continents

7.1.1 Asia

India, Pakistan, Russia

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

7.1.2 Africa

Ethiopia, Kenya, Morocco, South Africa

Kenya, Morocco, South Africa, Tanzania

7.1.3 Europe

Austria, France, Germany, Greece, Italy, Romania, Scotland, Spain, Switzerland

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

7.1.4 Others

Not Yet Found

Greenland, Mid-Atlantic Ridge

7.2 Deposits in Western Continents

7.2.1 North America

USA

Canada, Mexico, USA

7.2.2 South America

Colombia, Ecuador, Peru

Bolivia, Brazil

7.3 Deposits in Oceania Continent

7.3.1 Australia

New South Wales, Victoria, Western Australia

New South Wales, Queensland, South Australia, Western Australia

Marl vs Banded iron formation 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 Marl and Banded iron formation Reserves. Marl is an unconsolidated sedimentary rock consisting of clay and lime. Banded iron formation are distinctive units of sedimentary rock that are almost always of Precambrian age. 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 Marl vs Banded iron formation information and Marl vs Banded iron formation characteristics in the upcoming sections.

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Marl vs Banded iron formation 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. Marl vs Banded iron formation characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Marl and Properties of Banded iron formation. Learn more about Marl vs Banded iron formation in the next section. The interior uses of Marl include Decorative aggregates and Floor tiles whereas the interior uses of Banded iron formation include Decorative aggregates and Homes. Due to some exceptional properties of Marl and Banded iron formation, they have various applications in construction industry. The uses of Marl in construction industry include Cement manufacture, Construction aggregate, For road aggregate, Making natural cement, Raw material for the manufacture of mortar and that of Banded iron formation include As dimension stone, Used for flooring, stair treads, borders and window sills..

More about Marl and Banded iron formation

Here you can know more about Marl and Banded iron formation. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Marl and Banded iron formation consists of mineral content and compound content. The mineral content of Marl includes Calcite, Clay, Dolomite, Gypsum, Micas, Pyrite, Quartz and mineral content of Banded iron formation includes Hematite, Magnetite, Quartz. You can also check out the list of all Sedimentary Rocks. When we have to compare Marl vs Banded iron formation, the texture, color and appearance plays an important role in determining the type of rock. Marl is available in beige, brown, green, grey, white colors whereas, Banded iron formation is available in red, reddish brown colors. Appearance of Marl is Rough and Dull and that of Banded iron formation is Layered, Banded, Veined and Shiny. Properties of rock is another aspect for Marl vs Banded iron formation. The hardness of Marl is 2-3 and that of Banded iron formation is 5.5-6. The types of Marl are Clay Marl ,Blue Marl, Red Marl, High Bank Marl, Shell Layer Marl, Under Shell Layer Marl, Sand Marl, Green Marl, Grey Marl and Clayey Marl whereas types of Banded iron formation are Algoma-type , Lake Superior-type, Superior-type and Taconite. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Marl and Banded iron formation is white. The specific heat capacity of Marl is Not Available and that of Banded iron formation is 3.20 kJ/Kg K. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Marl is heat resistant, impact resistant whereas Banded iron formation is heat resistant, impact resistant, pressure resistant, wear resistant.