Adakite

Shoshonite

Adakite vs Shoshonite

Adakite

Shoshonite

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1 Definition

1.1 Definition

Adakite is an intermediate to felsic volcanic rock that has geochemical characteristics of magma which is said to be formed by partial melting of altered basalt that is subducted below volcanic arcs

Shoshonite is a basaltic rock, properly a potassic trachyandesite, composed of olivine, augite and plagioclase phenocrysts in a groundmass with calcic plagioclase and sanidine and some dark-colored volcanic glass

1.2 History

1.2.1 Origin

Adak, Aleutian Islands

Wyoming,USA

1.2.2 Discoverer

Defant and Drummond

Iddings

1.3 Etymology

From Adak, Aleutian Islands

From the place of origin called Shoshone riverin Wyoming

1.4 Class

Igneous Rocks

1.4.1 Sub-Class

Durable Rock, Medium Hardness Rock

1.5 Family

1.5.1 Group

Volcanic

1.6 Other Categories

Fine Grained Rock, Medium Grained Rock, Opaque Rock

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

2 Texture

2.1 Texture

Porphyritic

2.2 Color

Black, Brown, Light to Dark Grey

Brown- Black, Dark Brown

2.3 Maintenance

Less

2.4 Durability

Durable

2.4.1 Water Resistant

✔ ✘

2.4.2 Scratch Resistant

✔ ✘

2.4.3 Stain Resistant

✔ ✘

2.4.4 Wind Resistant

✔ ✘

2.4.5 Acid Resistant

✔ ✘

2.5 Appearance

Dull and Soft

Dull

3 Uses

3.1 Architecture

3.1.1 Interior Uses

Decorative Aggregates, Floor Tiles, Homes, Hotels, Kitchens

Decorative Aggregates, Homes, Interior Decoration

3.1.2 Exterior Uses

As Building Stone, As Facing Stone, Office Buildings

As Building Stone, As Facing Stone

3.1.3 Other Architectural Uses

Whetstones

Curbing

3.2 Industry

3.2.1 Construction Industry

As Dimension Stone, Cobblestones, Rail Track Ballast, Roadstone

3.2.2 Medical Industry

Not Yet Used

3.3 Antiquity Uses

Monuments, Sculpture, Small Figurines

Sculpture

3.4 Other Uses

3.4.1 Commercial Uses

Commemorative Tablets, Pottery, Used in aquariums

Cemetery Markers, Creating Artwork

4 Types

4.1 Types

Not Available

4.2 Features

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

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

4.3 Archaeological Significance

4.3.1 Monuments

Used

Not Yet Used

4.3.2 Famous Monuments

Data Not Available

Not Applicable

4.3.3 Sculpture

Used

4.3.4 Famous Sculptures

Data Not Available

4.3.5 Pictographs

Used

4.3.6 Petroglyphs

Used

4.3.7 Figurines

Used

4.4 Fossils

Absent

5 Formation

5.1 Formation

Adakite rocks are formed when the hydrous fluids are released from minerals that break down in metamorphosed basalt, and rise into the mantle they initiate partial melting.

Shoshonite 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.

5.2 Composition

5.2.1 Mineral Content

Olivine, Plagioclase, Pyroxene

Pyroxene

5.2.2 Compound Content

Aluminium Oxide, MgO, Silicon Dioxide

Aluminium Oxide, Iron(III) Oxide, Potassium Oxide, Sodium Oxide, Titanium Dioxide

5.3 Transformation

5.3.1 Metamorphism

✔ ✘

5.3.2 Types of Metamorphism

Cataclastic Metamorphism, Contact Metamorphism, Impact Metamorphism, Regional Metamorphism

Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism

5.3.3 Weathering

✔ ✘

5.3.4 Types of Weathering

Chemical Weathering, Mechanical Weathering

Biological Weathering, Chemical Weathering, Mechanical Weathering

5.3.5 Erosion

✔ ✘

5.3.6 Types of Erosion

Coastal Erosion, Sea Erosion, Water Erosion

Chemical Erosion, Coastal Erosion, Glacier Erosion

6 Properties

6.1 Physical Properties

6.1.1 Hardness

3-46

1 7

6.1.2 Grain Size

Fine to Medium Grained

Medium to Fine Coarse Grained

6.1.3 Fracture

Conchoidal

Uneven

6.1.4 Streak

Bluish Black

White to Grey

6.1.5 Porosity

Less Porous

6.1.6 Luster

Grainy, Pearly and Vitreous

Dull

6.1.7 Compressive Strength

NANA

0.15 450

6.1.8 Cleavage

Not Available

Poor

6.1.9 Toughness

Not Available

1.6

6.1.10 Specific Gravity

Not Available2.98

0 8.4

6.1.11 Transparency

Opaque

6.1.12 Density

Not Available2.9-3 g/cm³

0 1400

6.2 Thermal Properties

6.2.1 Specific Heat Capacity

NANA

0.14 3.2

6.2.2 Resistance

Heat Resistant, Pressure Resistant, Wear Resistant

Heat Resistant, Pressure Resistant

7 Reserves

7.1 Deposits in Eastern Continents

7.1.1 Asia

India, Russia

7.1.2 Africa

Ethiopia, Somalia, South Africa

South Africa

7.1.3 Europe

Iceland

7.1.4 Others

Not Yet Found

7.2 Deposits in Western Continents

7.2.1 North America

Canada, USA

7.2.2 South America

Brazil

7.3 Deposits in Oceania Continent

7.3.1 Australia

Not Yet Found

Adakite vs Shoshonite 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 Adakite and Shoshonite Reserves. Adakite is an intermediate to felsic volcanic rock that has geochemical characteristics of magma which is said to be formed by partial melting of altered basalt that is subducted below volcanic arcs. Shoshonite is a basaltic rock, properly a potassic trachyandesite, composed of olivine, augite and plagioclase phenocrysts in a groundmass with calcic plagioclase and sanidine and some dark-colored volcanic glass. 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 Adakite vs Shoshonite information and Adakite vs Shoshonite characteristics in the upcoming sections.

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

More about Adakite and Shoshonite

Here you can know more about Adakite and Shoshonite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Adakite and Shoshonite consists of mineral content and compound content. The mineral content of Adakite includes Olivine, Plagioclase, Pyroxene and mineral content of Shoshonite includes Pyroxene. You can also check out the list of all Igneous Rocks. When we have to compare Adakite vs Shoshonite, the texture, color and appearance plays an important role in determining the type of rock. Adakite is available in black, brown, light to dark grey colors whereas, Shoshonite is available in brown- black, dark brown colors. Appearance of Adakite is Dull and Soft and that of Shoshonite is Dull. Properties of rock is another aspect for Adakite vs Shoshonite. The hardness of Adakite is 3-4 and that of Shoshonite is 6. The types of Adakite are Not Available whereas types of Shoshonite are Not Available. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Adakite is bluish black while that of Shoshonite is white to grey. The specific heat capacity of Adakite is Not Available and that of Shoshonite is Not Available. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Adakite is heat resistant, pressure resistant, wear resistant whereas Shoshonite is heat resistant, pressure resistant.