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Boninite
Boninite

Felsite
Felsite



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Boninite
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Boninite vs Felsite

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Definition

Definition

Boninite is a mafic extrusive rock which is high in magnesium and silica content, formed in fore-arc environments, typically during the early stages of subduction
Felsite is a very fine grained volcanic rock that may or may not contain larger crystals and light colored rock that typically requires petrographic examination or chemical analysis for more precise definition

History

Origin

Japan
-

Discoverer

Unknown
Unknown

Etymology

From its occurrence in the Izu-Bonin arc south of Japan
From English feldspar and -ite

Class

Igneous Rocks
Igneous Rocks

Sub-Class

Durable Rock, Hard Rock
Durable Rock, Medium Hardness Rock

Family

Group

Volcanic
Volcanic

Other Categories

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

Texture

Texture

Aphanitic to Porphyritic
Arborescent Patterned, Vitreous

Color

Bluish - Grey, Brown, Green, Grey
Black, Blue, Brown, Green, Orange, Red, Tan, Yellow

Maintenance

Less
Less

Durability

Durable
Durable

Water Resistant

Scratch Resistant

Stain Resistant

Wind Resistant

Acid Resistant

Appearance

Dull and Soft
Layered, Banded, Veined and Shiny

Uses

Architecture

Interior Uses

Decorative Aggregates, Homes, Kitchens
Decorative Aggregates, Flooring, Interior Decoration

Exterior Uses

Garden Decoration, Office Buildings
Paving Stone, Garden Decoration

Other Architectural Uses

-
Curbing

Industry

Construction Industry

As a Flux in the Production of Steel and Pig Iron, As a Sintering Agent in Steel Industry to process Iron Ore, As Dimension Stone, Cement Manufacture, for Road Aggregate, Making natural cement, Manufacture of Magnesium and Dolomite Refractories
Arrowheads, Cutting Tool, Knives, Scrapers, Spear Points

Medical Industry

-
Surgery

Antiquity Uses

Artifacts
Artifacts

Other Uses

Commercial Uses

An Oil and Gas Reservoir, Cemetery Markers, Creating Artwork, Soil Conditioner, Source of Magnesia (MgO)
Mirror, Jewelry

Types

Types

Basalt
Igneous rock

Features

Available in Lots of Colors and Patterns, High Mg content, Is one of the oldest rock
Available in Lots of Colors and Patterns, Clasts are smooth to touch, Splintery, Very fine grained rock

Archaeological Significance

Monuments

-
-

Famous Monuments

-
-

Sculpture

-
-

Famous Sculptures

-
-

Pictographs

-
-

Petroglyphs

-
-

Figurines

-
-

Fossils

Absent
Absent

Formation

Formation

Boninite is a type of Igneous rock which is formed through the cooling and solidification of lava or existing rocks.
Felsite 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, Apatite, Biotite, Feldspar, Garnet, Hornblade, Ilmenite
Feldspar, Iron Oxides

Compound Content

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

Transformation

Metamorphism

Types of Metamorphism

Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism, Regional Metamorphism
Burial 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, Wind Erosion
Chemical Erosion, Glacier Erosion, Water Erosion

Properties

Physical Properties

Hardness

75-5.5
1 7
👆🏻

Grain Size

Fine Grained
Fine Grained

Fracture

Uneven
Conchoidal

Streak

White
White

Porosity

Less Porous
Very Less Porous

Luster

Vitreous
Vitreous

Compressive Strength

150.00 N/mm20.15 N/mm2
0.15 450
👆🏻

Cleavage

-
-

Toughness

1.1
-

Specific Gravity

2.5-2.82.6-2.7
0 8.4
👆🏻

Transparency

Opaque
Translucent

Density

-9999 g/cm32.6 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, Impact Resistant, Pressure Resistant, Wear Resistant
Heat Resistant, Impact Resistant

Reserves

Deposits in Eastern Continents

Asia

-
Afghanistan, Indonesia, Japan, Russia

Africa

South Africa
Kenya

Europe

England, Finland, United Kingdom
Greece, Hungary, Iceland, Italy, Turkey

Others

Antarctica, Greenland
-

Deposits in Western Continents

North America

USA
Canada, Mexico, USA

South America

Colombia, Uruguay
Argentina, Chile, Ecuador, Peru

Deposits in Oceania Continent

Australia

New Zealand, Western Australia
New Zealand

Boninite vs Felsite 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 Boninite and Felsite Reserves. Boninite is a mafic extrusive rock which is high in magnesium and silica content, formed in fore-arc environments, typically during the early stages of subduction. Felsite is a very fine grained volcanic rock that may or may not contain larger crystals and light colored rock that typically requires petrographic examination or chemical analysis for more precise definition. 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 Boninite vs Felsite information and Boninite vs Felsite characteristics in the upcoming sections.

Boninite vs Felsite 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. Boninite vs Felsite characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Boninite and Properties of Felsite. Learn more about Boninite vs Felsite in the next section. The interior uses of Boninite include Decorative aggregates, Homes and Kitchens whereas the interior uses of Felsite include Decorative aggregates, Flooring and Interior decoration. Due to some exceptional properties of Boninite and Felsite, they have various applications in construction industry. The uses of Boninite in construction industry include As a flux in the production of steel and pig iron, As a sintering agent in steel industry to process iron ore, As dimension stone, Cement manufacture, For road aggregate, Making natural cement, Manufacture of magnesium and dolomite refractories and that of Felsite include Arrowheads, Cutting tool, Knives, Scrapers, Spear points.

More about Boninite and Felsite

Here you can know more about Boninite and Felsite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Boninite and Felsite consists of mineral content and compound content. The mineral content of Boninite includes Amphibole, Apatite, Biotite, Feldspar, Garnet, Hornblade, Ilmenite and mineral content of Felsite includes Feldspar, Iron Oxides. You can also check out the list of all Igneous Rocks. When we have to compare Boninite vs Felsite, the texture, color and appearance plays an important role in determining the type of rock. Boninite is available in bluish - grey, brown, green, grey colors whereas, Felsite is available in black, blue, brown, green, orange, red, tan, yellow colors. Appearance of Boninite is Dull and Soft and that of Felsite is Layered, Banded, Veined and Shiny. Properties of rock is another aspect for Boninite vs Felsite. The hardness of Boninite is 7 and that of Felsite is 5-5.5. The types of Boninite are Basalt whereas types of Felsite are Igneous rock. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Boninite and Felsite is white. The specific heat capacity of Boninite is 0.84 kJ/Kg K and that of Felsite 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.Boninite is heat resistant, impact resistant, pressure resistant, wear resistant whereas Felsite is heat resistant, impact resistant.