Gabbro

Andesite

Gabbro vs Andesite

Gabbro

Andesite

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Definition

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

Andesite is a dark, fine-grained, brown or greyish intermediate volcanic rock which is a commonly found in lava

History

Origin

Germany

North America

Discoverer

Christian Leopold von Buch

Theodor von Gümbel

Etymology

From Latin glaber bare, smooth, bald

From Andes mountains, where it is found in abundance

Class

Igneous Rocks

Sub-Class

Durable Rock, Hard Rock

Family

Group

Plutonic

Volcanic

Other Categories

Coarse Grained Rock, Opaque Rock

Fine Grained Rock, Opaque Rock

Texture

Phaneritic

Aphanitic to Porphyritic

Color

Dark Grey to Black

Bluish - Grey, Grey, Pink, Yellow

Maintenance

Less

Durability

Durable

Water Resistant

✔ ✘

Scratch Resistant

✔ ✘

Stain Resistant

✔ ✘

Wind Resistant

✔ ✘

Acid Resistant

✔ ✘

Appearance

Veined and Shiny

Dull and Soft

Uses

Architecture

Interior Uses

Countertops, Decorative Aggregates, Homes, Interior Decoration

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

Exterior Uses

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

Office Buildings, Roof Tiles

Other Architectural Uses

Curbing

Industry

Construction Industry

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

Cobblestones, Construction Aggregate, for Road Aggregate

Medical Industry

Antiquity Uses

Artifacts, Monuments, Sculpture

Artifacts, Monuments, Sculpture, Small Figurines

Other Uses

Commercial Uses

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

Commemorative Tablets, Creating Artwork

Types

Anorthosite Gabbro and Norite Gabbro

Icelandite

Features

Smooth to touch

Generally rough to touch, High silica content, Is one of the oldest rock

Archaeological Significance

Monuments

Famous Monuments

Middle of the Earth in Ecuador

Sculpture

Famous Sculptures

Pictographs

Petroglyphs

Figurines

Fossils

Absent

Formation

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

Andesite is a fine-grained igneous rock that forms when the magma is erupted onto the surface and is crystallized quickly.

Composition

Mineral Content

Augite, Olivine, Plagioclase, Pyroxene

Amphibole, Apatite, Biotite, Feldspar, Garnet, Hornblade, Ilmenite, Magnetite, Plagioclase, Pyroxene, Zircon

Compound Content

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

Silicon Dioxide

Transformation

Metamorphism

✔ ✘

Types of Metamorphism

Impact Metamorphism

Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism, Hydrothermal Metamorphism, Impact Metamorphism, Regional Metamorphism

Weathering

✔ ✘

Types of Weathering

Chemical Weathering

Biological Weathering, Chemical Weathering, Mechanical Weathering

Erosion

✔ ✘

Types of Erosion

Coastal Erosion

Chemical Erosion, Coastal Erosion, Glacier Erosion

Properties

Physical Properties

Hardness

1 7

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Grain Size

Coarse Grained

Very fine-grained

Fracture

Conchoidal

Uneven

Streak

Black

White

Porosity

Highly Porous

Less Porous

Luster

Vitreous

Compressive Strength

225.00 N/mm²225.00 N/mm²

0.15 450

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Cleavage

Toughness

1.6

1.1

Specific Gravity

2.86-2.872.5-2.8

0 8.4

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Transparency

Opaque

Density

2.7-3.3 g/cm³2.11-2.36 g/cm³

0 1400

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Thermal Properties

Specific Heat Capacity

0.71 kJ/Kg K2.39 kJ/Kg K

0.14 3.2

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Resistance

Impact Resistant, Pressure Resistant, Wear Resistant

Heat Resistant, Pressure Resistant, Wear Resistant

Reserves

Deposits in Eastern Continents

Asia

India, Russia

India, Indonesia, Japan, Nepal, South Korea

Africa

South Africa

Egypt, Ethiopia, Morocco, Namibia, South Africa, Tanzania

Europe

Germany, Greece, Italy, Scotland, Turkey

Austria, Finland, Germany, Italy, Romania, Turkey, United Kingdom

Others

Greenland

Deposits in Western Continents

North America

Canada, USA

Mexico, USA

South America

Brazil, Colombia, Venezuela

Argentina, Bolivia, Chile, Colombia, Ecuador, Peru, Venezuela

Deposits in Oceania Continent

Australia

New Zealand, Queensland

New South Wales, New Zealand, Western Australia

Gabbro vs Andesite 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 Andesite Reserves. Gabbro is an intrusive igneous rock which is chemically equivalent to plutonic Basalt. Andesite is a dark, fine-grained, brown or greyish intermediate volcanic rock which is a commonly found in lava. 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 Andesite information and Gabbro vs Andesite characteristics in the upcoming sections.

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Gabbro vs Andesite 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 Andesite characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Gabbro and Properties of Andesite. Learn more about Gabbro vs Andesite in the next section. The interior uses of Gabbro include Countertops, Decorative aggregates, Homes and Interior decoration whereas the interior uses of Andesite include Decorative aggregates, Floor tiles, Homes, Interior decoration and Kitchens. Due to some exceptional properties of Gabbro and Andesite, 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 Andesite include Cobblestones, Construction aggregate, For road aggregate.

More about Gabbro and Andesite

Here you can know more about Gabbro and Andesite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Gabbro and Andesite consists of mineral content and compound content. The mineral content of Gabbro includes Augite, Olivine, Plagioclase, Pyroxene and mineral content of Andesite includes Amphibole, Apatite, Biotite, Feldspar, Garnet, Hornblade, Ilmenite, Magnetite, Plagioclase, Pyroxene, Zircon. You can also check out the list of all Igneous Rocks. When we have to compare Gabbro vs Andesite, 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, Andesite is available in bluish - grey, grey, pink, yellow colors. Appearance of Gabbro is Veined and Shiny and that of Andesite is Dull and Soft. Properties of rock is another aspect for Gabbro vs Andesite. Hardness of Gabbro and Andesite is 7. The types of Gabbro are Anorthosite Gabbro and Norite Gabbro whereas types of Andesite are Icelandite. 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 Andesite is white. The specific heat capacity of Gabbro is 0.71 kJ/Kg K and that of Andesite is 2.39 kJ/Kg K. 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 Andesite is heat resistant, pressure resistant, wear resistant.