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Basaltic Trachyandesite
Basaltic Trachyandesite

Tephrite
Tephrite



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Basaltic Trachyandesite
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Tephrite

Basaltic Trachyandesite vs Tephrite

Definition

Definition

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
Tephrite is an aphanitic to porphyritic textured, volcanic igneous rock

History

Origin

-
Germany

Discoverer

Unknown
Van Tooren

Etymology

From its mineral and compound content and its relation with Basalt and Andesite rock
From Greek tephra, ashes from Indo-European base, to burn

Class

Igneous Rocks
Igneous Rocks

Sub-Class

Durable Rock, Medium Hardness Rock
Durable Rock, Hard Rock

Family

Group

Volcanic
Volcanic

Other Categories

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

Texture

Texture

Glassy, Massive, Porphyritic, Scoriaceous, Vesicular
Aphanitic to Porphyritic

Color

Black, Brown, Light to Dark Grey
Black, Brown, Green, Grey, White

Maintenance

Less
Less

Durability

Durable
Durable

Water Resistant

Scratch Resistant

Stain Resistant

Wind Resistant

Acid Resistant

Appearance

Dull and Soft
Vesicular

Uses

Architecture

Interior Uses

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

Exterior Uses

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

Other Architectural Uses

Curbing, Whetstones
Curbing

Industry

Construction Industry

As Dimension Stone, Cobblestones, Rail Track Ballast, Roadstone
Landscaping

Medical Industry

-
-

Antiquity Uses

Artifacts, Monuments
Artifacts, Sculpture

Other Uses

Commercial Uses

An Oil and Gas Reservoir, Commemorative Tablets, Creating Artwork
Production of Lime, Soil Conditioner

Types

Types

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

Features

Has High structural resistance against erosion and climate, Very fine grained rock
Host Rock for Lead

Archaeological Significance

Monuments

-
-

Famous Monuments

-
-

Sculpture

-
-

Famous Sculptures

-
-

Pictographs

-
-

Petroglyphs

-
-

Figurines

-
-

Fossils

Absent
Absent

Formation

Formation

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

Olivine, Plagioclase, Pyroxene
Alkali feldspar, Nepheline, Plagioclase, Pyroxene

Compound Content

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

Transformation

Metamorphism

Types of Metamorphism

Contact Metamorphism
Cataclastic Metamorphism, Contact Metamorphism, Impact Metamorphism, Regional Metamorphism

Weathering

Types of Weathering

Biological Weathering
Biological Weathering, Chemical Weathering, Mechanical Weathering

Erosion

Types of Erosion

-
Chemical Erosion, Coastal Erosion, Glacier Erosion, Sea Erosion, Water Erosion

Properties

Physical Properties

Hardness

66.5
1 7
👆🏻

Grain Size

Fine Grained
Medium to Fine Coarse Grained

Fracture

Conchoidal
Uneven

Streak

White to Grey
Bluish Black

Porosity

Less Porous
Very Less Porous

Luster

-
Subvitreous to Dull

Compressive Strength

37.50 N/mm290.00 N/mm2
0.15 450
👆🏻

Cleavage

-
Crenulation and Pervasive

Toughness

2.3
2.4

Specific Gravity

2.8-32.86
0 8.4
👆🏻

Transparency

Opaque
Opaque

Density

2.9-3.1 g/cm32.8-2.9 g/cm3
0 1400
👆🏻

Thermal Properties

Specific Heat Capacity

0.84 kJ/Kg K0.92 kJ/Kg K
0.14 3.2
👆🏻

Resistance

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

Reserves

Deposits in Eastern Continents

Asia

India, Russia
-

Africa

South Africa
Namibia, Uganda

Europe

Iceland
Germany, Hungary, Italy, Portugal, Spain

Others

-
-

Deposits in Western Continents

North America

Canada, USA
USA

South America

Brazil
-

Deposits in Oceania Continent

Australia

-
New Zealand, Western Australia

Basaltic Trachyandesite vs Tephrite 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 Basaltic Trachyandesite and Tephrite Reserves. 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. Tephrite is an aphanitic to porphyritic textured, volcanic 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 Basaltic Trachyandesite vs Tephrite information and Basaltic Trachyandesite vs Tephrite characteristics in the upcoming sections.

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

More about Basaltic Trachyandesite and Tephrite

Here you can know more about Basaltic Trachyandesite and Tephrite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Basaltic Trachyandesite and Tephrite consists of mineral content and compound content. The mineral content of Basaltic Trachyandesite includes Olivine, Plagioclase, Pyroxene and mineral content of Tephrite includes Alkali feldspar, Nepheline, Plagioclase, Pyroxene. You can also check out the list of all Igneous Rocks. When we have to compare Basaltic Trachyandesite vs Tephrite, the texture, color and appearance plays an important role in determining the type of rock. Basaltic Trachyandesite is available in black, brown, light to dark grey colors whereas, Tephrite is available in black, brown, green, grey, white colors. Appearance of Basaltic Trachyandesite is Dull and Soft and that of Tephrite is Vesicular. Properties of rock is another aspect for Basaltic Trachyandesite vs Tephrite. The hardness of Basaltic Trachyandesite is 6 and that of Tephrite is 6.5. The types of Basaltic Trachyandesite are Alkaline Basalt, Boninite, High Alumina Basalt, Mid Ocean Ridge Basalt (MORB), Tholeiitic Basalt, Basaltic trachyandesite, Mugearite and Shoshonite whereas types of Tephrite are Igneous rock. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Basaltic Trachyandesite is white to grey while that of Tephrite is bluish black. The specific heat capacity of Basaltic Trachyandesite is 0.84 kJ/Kg K and that of Tephrite is 0.92 kJ/Kg K. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Basaltic Trachyandesite is heat resistant, pressure resistant, wear resistant whereas Tephrite is heat resistant, impact resistant.