Anorthosite

Basaltic Trachyandesite

Anorthosite vs Basaltic Trachyandesite

Anorthosite

Basaltic Trachyandesite

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Definition

Anorthosite is a granular igneous rock composed largely of labradorite or plagioclase

Basaltic Trachyandesite is an extrusive igneous rock which is a type of Basalt rock and is formed by the rapid cooling of basaltic lava exposed at or very near the Earth's surface

History

Origin

Discoverer

Unknown

Etymology

From French anorthose plagioclase + -ite1

From its mineral and compound content and its relation with Basalt and Andesite rock

Class

Igneous Rocks

Sub-Class

Durable Rock, Medium Hardness Rock

Family

Group

Plutonic

Volcanic

Other Categories

Coarse Grained Rock, Opaque Rock

Fine Grained Rock, Opaque Rock

Texture

Foliated, Glassy

Glassy, Massive, Porphyritic, Scoriaceous, Vesicular

Color

Black, Bluish - Grey, Brown, Green, Grey, Light Greenish Grey, Pink, White

Black, Brown, Light to Dark Grey

Maintenance

Less

Durability

Durable

Water Resistant

✔ ✘

Scratch Resistant

✔ ✘

Stain Resistant

✔ ✘

Wind Resistant

✔ ✘

Acid Resistant

✔ ✘

Appearance

Layered, Banded, Veined and Shiny

Dull and Soft

Uses

Architecture

Interior Uses

Decorative Aggregates, Floor Tiles, Homes, Interior Decoration

Floor Tiles, Homes, Hotels, Kitchens

Exterior Uses

As Building Stone, As Facing Stone, Garden Decoration

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

Other Architectural Uses

Curbing

Curbing, Whetstones

Industry

Construction Industry

As Dimension Stone, Cement Manufacture, for Road Aggregate

As Dimension Stone, Cobblestones, Rail Track Ballast, Roadstone

Medical Industry

Antiquity Uses

Artifacts, Sculpture, Small Figurines

Artifacts, Monuments

Other Uses

Commercial Uses

Creating Artwork, Curling

An Oil and Gas Reservoir, Commemorative Tablets, Creating Artwork

Types

Proterozoic Anorthosite and Archean Anorthosite

Alkaline Basalt, Boninite, High Alumina Basalt, Mid Ocean Ridge Basalt (MORB), Tholeiitic Basalt, Basaltic trachyandesite, Mugearite and Shoshonite

Features

Generally rough to touch, Is one of the oldest rock

Has High structural resistance against erosion and climate, Very fine grained rock

Archaeological Significance

Monuments

Famous Monuments

Sculpture

Famous Sculptures

Pictographs

Petroglyphs

Figurines

Fossils

Absent

Formation

Anorthosite is a phaneritic, intrusive igneous rock which is characterized by a predominance of plagioclase feldspar which is almost 90–100%, and a minimal mafic component.

Basaltic Trachandesite is a fine-grained, hard rock that forms when bits of lava shoot out of volcanoes.

Composition

Mineral Content

Amphibole, Clinopyroxene, Ilmenite, Magnetite, Olivine, Orthopyroxene

Olivine, Plagioclase, Pyroxene

Compound Content

Ca, CaO, Chromium(III) Oxide, MgO, Sulfur Trioxide

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

Transformation

Metamorphism

✔ ✘

Types of Metamorphism

Cataclastic Metamorphism, Contact Metamorphism

Contact Metamorphism

Weathering

✔ ✘

Types of Weathering

Biological Weathering

Erosion

✔ ✘

Types of Erosion

Chemical Erosion, Wind Erosion

Properties

Physical Properties

Hardness

5-66

1 7

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Grain Size

Coarse Grained

Fine Grained

Fracture

Irregular

Conchoidal

Streak

White

White to Grey

Porosity

Less Porous

Luster

Pearly to Subvitreous

Compressive Strength

180.00 N/mm²37.50 N/mm²

0.15 450

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Cleavage

Toughness

2.3

Specific Gravity

2.62-2.822.8-3

0 8.4

👆🏻

Transparency

Translucent

Opaque

Density

2.7-4 g/cm³2.9-3.1 g/cm³

0 1400

👆🏻

Thermal Properties

Specific Heat Capacity

0.84 kJ/Kg K0.84 kJ/Kg K

0.14 3.2

👆🏻

Resistance

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

Heat Resistant, Pressure Resistant, Wear Resistant

Reserves

Deposits in Eastern Continents

Asia

India, Russia

Africa

South Africa

Europe

Bulgaria, France, Germany, Greece, Hungary, Italy, Latvia, Lithuania, Malta, Poland, Portugal, Romania, Slovenia, Spain, Sweden, The Czech Republic

Iceland

Others

Deposits in Western Continents

North America

Canada

Canada, USA

South America

Bolivia, Colombia

Brazil

Deposits in Oceania Continent

Australia

Central Australia, South Australia, Western Australia

Anorthosite vs Basaltic Trachyandesite 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 Anorthosite and Basaltic Trachyandesite Reserves. Anorthosite is a granular igneous rock composed largely of labradorite or plagioclase. Basaltic Trachyandesite is an extrusive igneous rock which is a type of Basalt rock and is formed by the rapid cooling of basaltic lava exposed at or very near the Earth's surface. 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 Anorthosite vs Basaltic Trachyandesite information and Anorthosite vs Basaltic Trachyandesite characteristics in the upcoming sections.

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Anorthosite vs Basaltic Trachyandesite 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. Anorthosite vs Basaltic Trachyandesite characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Anorthosite and Properties of Basaltic Trachyandesite. Learn more about Anorthosite vs Basaltic Trachyandesite in the next section. The interior uses of Anorthosite include Decorative aggregates, Floor tiles, Homes and Interior decoration whereas the interior uses of Basaltic Trachyandesite include Floor tiles, Homes, Hotels and Kitchens. Due to some exceptional properties of Anorthosite and Basaltic Trachyandesite, they have various applications in construction industry. The uses of Anorthosite in construction industry include As dimension stone, Cement manufacture, For road aggregate and that of Basaltic Trachyandesite include As dimension stone, Cobblestones, Rail track ballast, Roadstone.

More about Anorthosite and Basaltic Trachyandesite

Here you can know more about Anorthosite and Basaltic Trachyandesite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Anorthosite and Basaltic Trachyandesite consists of mineral content and compound content. The mineral content of Anorthosite includes Amphibole, Clinopyroxene, Ilmenite, Magnetite, Olivine, Orthopyroxene and mineral content of Basaltic Trachyandesite includes Olivine, Plagioclase, Pyroxene. You can also check out the list of all Igneous Rocks. When we have to compare Anorthosite vs Basaltic Trachyandesite, the texture, color and appearance plays an important role in determining the type of rock. Anorthosite is available in black, bluish - grey, brown, green, grey, light greenish grey, pink, white colors whereas, Basaltic Trachyandesite is available in black, brown, light to dark grey colors. Appearance of Anorthosite is Layered, Banded, Veined and Shiny and that of Basaltic Trachyandesite is Dull and Soft. Properties of rock is another aspect for Anorthosite vs Basaltic Trachyandesite. The hardness of Anorthosite is 5-6 and that of Basaltic Trachyandesite is 6. The types of Anorthosite are Proterozoic Anorthosite and Archean Anorthosite whereas types of Basaltic Trachyandesite are Alkaline Basalt, Boninite, High Alumina Basalt, Mid Ocean Ridge Basalt (MORB), Tholeiitic Basalt, Basaltic trachyandesite, Mugearite and Shoshonite. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Anorthosite is white while that of Basaltic Trachyandesite is white to grey. The specific heat capacity of Anorthosite is 0.84 kJ/Kg K and that of Basaltic Trachyandesite is 0.84 kJ/Kg K. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Anorthosite is heat resistant, impact resistant, pressure resistant, scratch resistant, wear resistant whereas Basaltic Trachyandesite is heat resistant, pressure resistant, wear resistant.