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Anorthosite
Anorthosite

Trachyandesite
Trachyandesite



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Anorthosite
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Trachyandesite

Anorthosite vs Trachyandesite

Definition

Definition

Anorthosite is a granular igneous rock composed largely of labradorite or plagioclase
Trachyandesite is an extrusive igneous rock.

History

Origin

-
Indonesia

Discoverer

Unknown
Unknown

Etymology

From French anorthose plagioclase + -ite1
From French trachyandésite, trachy + andésite andesite, a lava intermediate in composition between trachyte and andesite

Class

Igneous Rocks
Igneous Rocks

Sub-Class

Durable Rock, Medium Hardness Rock
Durable Rock, Medium Hardness Rock

Family

Group

Plutonic
Volcanic

Other Categories

Coarse Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock

Texture

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
Less

Durability

Durable
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
Countertops, Decorative Aggregates, Homes, Interior Decoration

Exterior Uses

As Building Stone, As Facing Stone, Garden Decoration
As Building Stone, As Facing Stone, Garden Decoration

Other Architectural Uses

Curbing
Curbing

Industry

Construction Industry

As Dimension Stone, Cement Manufacture, for Road Aggregate
Building houses or walls, Cobblestones, for Road Aggregate, Rail Track Ballast, Roadstone

Medical Industry

-
-

Antiquity Uses

Artifacts, Sculpture, Small Figurines
Artifacts, Sculpture

Other Uses

Commercial Uses

Creating Artwork, Curling
Creating Artwork, Pottery

Types

Types

Proterozoic Anorthosite and Archean Anorthosite
Basaltic Trachyandesite

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
Absent

Formation

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.
Trachyandesite is a fine-grained, hard rock which is a type of metasomatite, essentially altered basalt. It forms with or without crystallization, either below the surface as intrusive rocks or on the surface as extrusive rocks.

Composition

Mineral Content

Amphibole, Clinopyroxene, Ilmenite, Magnetite, Olivine, Orthopyroxene
Alkali feldspar, Biotite, Olivine, Plagioclase, Pyroxene, Sodic plagioclase

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
Cataclastic Metamorphism, Contact Metamorphism, Regional Metamorphism

Weathering

Types of Weathering

Biological Weathering
Biological Weathering, Chemical Weathering, Mechanical Weathering

Erosion

Types of Erosion

Chemical Erosion, Wind Erosion
Chemical Erosion, Coastal Erosion, Water Erosion, Wind Erosion

Properties

Physical Properties

Hardness

5-64-5
1 7
👆🏻

Grain Size

Coarse Grained
Fine Grained

Fracture

Irregular
Conchoidal

Streak

White
Light to dark brown

Porosity

Less Porous
Less Porous

Luster

Pearly to Subvitreous
Earthy

Compressive Strength

180.00 N/mm237.40 N/mm2
0.15 450
👆🏻

Cleavage

-
Perfect

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 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 Trachyandesite Reserves. Anorthosite is a granular igneous rock composed largely of labradorite or plagioclase. Trachyandesite is an extrusive igneous rock.. 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 Trachyandesite information and Anorthosite vs Trachyandesite characteristics in the upcoming sections.

Anorthosite vs 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 Trachyandesite characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Anorthosite and Properties of Trachyandesite. Learn more about Anorthosite vs Trachyandesite in the next section. The interior uses of Anorthosite include Decorative aggregates, Floor tiles, Homes and Interior decoration whereas the interior uses of Trachyandesite include Countertops, Decorative aggregates, Homes and Interior decoration. Due to some exceptional properties of Anorthosite and 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 Trachyandesite include Building houses or walls, Cobblestones, For road aggregate, Rail track ballast, Roadstone.

More about Anorthosite and Trachyandesite

Here you can know more about Anorthosite and Trachyandesite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Anorthosite and Trachyandesite consists of mineral content and compound content. The mineral content of Anorthosite includes Amphibole, Clinopyroxene, Ilmenite, Magnetite, Olivine, Orthopyroxene and mineral content of Trachyandesite includes Alkali feldspar, Biotite, Olivine, Plagioclase, Pyroxene, Sodic plagioclase. You can also check out the list of all Igneous Rocks. When we have to compare Anorthosite vs 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, Trachyandesite is available in black, brown, light to dark grey colors. Appearance of Anorthosite is Layered, Banded, Veined and Shiny and that of Trachyandesite is Dull and Soft. Properties of rock is another aspect for Anorthosite vs Trachyandesite. The hardness of Anorthosite is 5-6 and that of Trachyandesite is 4-5. The types of Anorthosite are Proterozoic Anorthosite and Archean Anorthosite whereas types of Trachyandesite are Basaltic Trachyandesite. 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 Trachyandesite is light to dark brown. The specific heat capacity of Anorthosite is 0.84 kJ/Kg K and that of 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 Trachyandesite is heat resistant, pressure resistant, wear resistant.