Gabbro

Greywacke

Gabbro vs Greywacke

Gabbro

Greywacke

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1 Definition

1.1 Definition

Gabbro is an intrusive igneous rock which is chemically equivalent to plutonic Basalt

Greywacke is defined as a dark coarse-grained sandstone rock which contains more than 15 per cent clay

1.2 History

1.2.1 Origin

Germany

Unknown

1.2.2 Discoverer

Christian Leopold von Buch

Unknown

1.3 Etymology

From Latin glaber bare, smooth, bald

From German Grauwacke, from grau grey + wacke

1.4 Class

Igneous Rocks

Sedimentary Rocks

1.4.1 Sub-Class

Durable Rock, Hard Rock

1.5 Family

1.5.1 Group

Plutonic

Not Applicable

1.6 Other Categories

Coarse Grained Rock, Opaque Rock

Fine Grained Rock, Opaque Rock

2 Texture

2.1 Texture

Phaneritic

Clastic

2.2 Color

Dark Grey to Black

Beige, Black, Brown, Colourless, Cream, Dark Brown, Green, Grey, Light Green, Light to Dark Grey, Pink, Red, White, Yellow

2.3 Maintenance

Less

2.4 Durability

Durable

2.4.1 Water Resistant

✔ ✘

81% Igneous Rocks Rocks have it !

✔ ✘

59% Sedimentary Rocks Rocks have it !

2.4.2 Scratch Resistant

✔ ✘

86% Igneous Rocks Rocks have it !

✔ ✘

62% Sedimentary Rocks Rocks have it !

2.4.3 Stain Resistant

✔ ✘

66% Igneous Rocks Rocks have it !

✔ ✘

43% Sedimentary Rocks Rocks have it !

2.4.4 Wind Resistant

✔ ✘

49% Igneous Rocks Rocks have it !

✔ ✘

38% Sedimentary Rocks Rocks have it !

2.4.5 Acid Resistant

✔ ✘

48% Igneous Rocks Rocks have it !

✔ ✘

22% Sedimentary Rocks Rocks have it !

2.5 Appearance

Veined and Shiny

Dull

3 Uses

3.1 Architecture

3.1.1 Interior Uses

Countertops, Decorative Aggregates, Homes, Interior Decoration

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

3.1.2 Exterior Uses

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

3.1.3 Other Architectural Uses

Curbing

Curbing, Whetstones

3.2 Industry

3.2.1 Construction Industry

As Dimension Stone, Building houses or walls, Cement Manufacture, Construction Aggregate, for Road Aggregate

Building houses or walls, Cement Manufacture, Construction Aggregate, for Road Aggregate, Raw material for the manufacture of mortar

3.2.2 Medical Industry

Not Yet Used

3.3 Antiquity Uses

Artifacts, Monuments, Sculpture

Artifacts, Sculpture, Small Figurines

3.4 Other Uses

3.4.1 Commercial Uses

Cemetery Markers, Commemorative Tablets, Laboratory bench tops, Jewelry, Sea Defence, Tombstones

As armour rock for sea walls, Petroleum reservoirs, Sea Defence, Tombstones

4 Types

4.1 Types

Not Available

4.2 Features

Smooth to touch

Available in Lots of Colors and Patterns, Generally rough to touch, Non-vesicular, Veined

4.3 Archaeological Significance

4.3.1 Monuments

Used

Not Yet Used

4.3.2 Famous Monuments

Data Not Available

Not Applicable

4.3.3 Sculpture

Used

4.3.4 Famous Sculptures

Data Not Available

4.3.5 Pictographs

Not Used

4.3.6 Petroglyphs

Not Used

4.3.7 Figurines

Used

4.4 Fossils

Absent

Present

5 Formation

5.1 Formation

Gabbro, a mafic rock, forms due to cooling and crystallization of magma underneath Earth's surface.

Graywacke rock is a type of sedimentary rock, which is also known as immature sandstone, which is indurated, dark grey and consisting of poorly sorted angular to sub-angular, sand-sized grains.

5.2 Composition

5.2.1 Mineral Content

Augite, Olivine, Plagioclase, Pyroxene

Augite, Biotite, Calcite, Chlorite, Clay, Clay Minerals, Feldspar, Micas, Muscovite or Illite, Plagioclase, Pyroxene, Quartz

5.2.2 Compound Content

Aluminium Oxide, CaO, Chromium(III) Oxide, Iron(III) Oxide, Potassium Oxide, MgO, Sodium Oxide, Silicon Dioxide, Sulfur Trioxide

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

5.3 Transformation

5.3.1 Metamorphism

✔ ✘

97% Igneous Rocks Rocks have it !

✔ ✘

19% Sedimentary Rocks Rocks have it !

5.3.2 Types of Metamorphism

Impact Metamorphism

Not Applicable

5.3.3 Weathering

✔ ✘

99% Igneous Rocks Rocks have it !

✔ ✘

78% Sedimentary Rocks Rocks have it !

5.3.4 Types of Weathering

Chemical Weathering

Biological Weathering, Chemical Weathering

5.3.5 Erosion

✔ ✘

92% Igneous Rocks Rocks have it !

✔ ✘

86% Sedimentary Rocks Rocks have it !

5.3.6 Types of Erosion

Coastal Erosion

Coastal Erosion, Sea Erosion, Wind Erosion

6 Properties

6.1 Physical Properties

6.1.1 Hardness

6-7

6.1.2 Grain Size

Coarse Grained

Angular and Fine

6.1.3 Fracture

Conchoidal

6.1.4 Streak

Black

White

6.1.5 Porosity

Highly Porous

6.1.6 Luster

Not Available

Dull

6.1.7 Compressive Strength

Flint

⊕

▶

▼

225.00 N/mm²

Rank: 7 (Overall)▶

Not Available

Rank: N/A (Overall)▶

▲

Obsidian

⊕

▶

175 (Granite)

◀ ▶ ADD ⊕

6.1.8 Cleavage

Not Available

Perfect

6.1.9 Toughness

1.6

2.6

6.1.10 Specific Gravity

2.86-2.87

2.2-2.8

6.1.11 Transparency

Opaque

6.1.12 Density

2.7-3.3 g/cm³

2.6-2.61 g/cm³

6.2 Thermal Properties

6.2.1 Specific Heat Capacity

Banded iron for..

⊕

▶

▼

Not Available

Rank: N/A (Overall)▶

Not Available

Rank: N/A (Overall)▶

▲

Granulite

⊕

▶

1.09 (Travertine)

◀ ▶ ADD ⊕

6.2.2 Resistance

Impact Resistant, Pressure Resistant, Wear Resistant

Heat Resistant, Impact Resistant, Pressure Resistant

7 Reserves

7.1 Deposits in Eastern Continents

7.1.1 Asia

India, Russia

China, India, Kazakhstan, Mongolia, Russia, Uzbekistan

7.1.2 Africa

South Africa

Namibia, Nigeria, South Africa

7.1.3 Europe

Germany, Greece, Italy, Scotland, Turkey

Austria, Denmark, Germany, Great Britain, Netherlands, Norway, Poland, Sweden, Switzerland, United Kingdom

7.1.4 Others

Greenland

7.2 Deposits in Western Continents

7.2.1 North America

Canada, USA

7.2.2 South America

Brazil, Colombia, Venezuela

Brazil

7.3 Deposits in Oceania Continent

7.3.1 Australia

New Zealand, Queensland

New South Wales, New Zealand

Gabbro vs Greywacke 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 Gabbro and Greywacke Reserves. Gabbro is an intrusive igneous rock which is chemically equivalent to plutonic Basalt. Greywacke is defined as a dark coarse-grained sandstone rock which contains more than 15 per cent clay. 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 Gabbro vs Greywacke information and Gabbro vs Greywacke characteristics in the upcoming sections.

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Gabbro vs Greywacke 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. Gabbro vs Greywacke characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Gabbro and Properties of Greywacke. Learn more about Gabbro vs Greywacke in the next section. The interior uses of Gabbro include Countertops, Decorative aggregates, Homes and Interior decoration whereas the interior uses of Greywacke include Decorative aggregates, Floor tiles, Flooring, Homes and Interior decoration. Due to some exceptional properties of Gabbro and Greywacke, they have various applications in construction industry. The uses of Gabbro in construction industry include As dimension stone, Building houses or walls, Cement manufacture, Construction aggregate, For road aggregate and that of Greywacke include Building houses or walls, Cement manufacture, Construction aggregate, For road aggregate, Raw material for the manufacture of mortar.

More about Gabbro and Greywacke

Here you can know more about Gabbro and Greywacke. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Gabbro and Greywacke consists of mineral content and compound content. The mineral content of Gabbro includes Augite, Olivine, Plagioclase, Pyroxene and mineral content of Greywacke includes Augite, Biotite, Calcite, Chlorite, Clay, Clay Minerals, Feldspar, Micas, Muscovite or Illite, Plagioclase, Pyroxene, Quartz. You can also check out the list of all Igneous Rocks. When we have to compare Gabbro vs Greywacke, the texture, color and appearance plays an important role in determining the type of rock. Gabbro is available in dark grey to black colors whereas, Greywacke is available in beige, black, brown, colourless, cream, dark brown, green, grey, light green, light to dark grey, pink, red, white, yellow colors. Appearance of Gabbro is Veined and Shiny and that of Greywacke is Dull. Properties of rock is another aspect for Gabbro vs Greywacke. The hardness of Gabbro is 7 and that of Greywacke is 6-7. The types of Gabbro are Not Available whereas types of Greywacke are Not Available. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Gabbro is black while that of Greywacke is white. The specific heat capacity of Gabbro is Not Available and that of Greywacke is Not Available. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Gabbro is impact resistant, pressure resistant, wear resistant whereas Greywacke is heat resistant, impact resistant, pressure resistant.