Shoshonite

Tachylite

Shoshonite vs Tachylite

Shoshonite

Tachylite

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Definition

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

Tachylite is a vitreous form of basaltic volcanic glass. This glass is formed naturally by the rapid cooling of molten basalt

History

Origin

Wyoming,USA

Iceland

Discoverer

Iddings

Unknown

Etymology

From the place of origin called Shoshone riverin Wyoming

From German Tachylite, from tachy- + Greek lutos soluble, melting

Class

Igneous Rocks

Sub-Class

Durable Rock, Medium Hardness Rock

Family

Group

Volcanic

Other Categories

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

Texture

Porphyritic

Vitreous

Color

Brown- Black, Dark Brown

Black, Dark Brown

Maintenance

Less

Durability

Durable

Water Resistant

✔ ✘

Scratch Resistant

✔ ✘

Stain Resistant

✔ ✘

Wind Resistant

✔ ✘

Acid Resistant

✔ ✘

Appearance

Dull

Glassy

Uses

Architecture

Interior Uses

Decorative Aggregates, Homes, Interior Decoration

Decorative Aggregates, Interior Decoration

Exterior Uses

As Building Stone, As Facing Stone

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

Other Architectural Uses

Curbing

Industry

Construction Industry

As Dimension Stone, Cobblestones, Rail Track Ballast, Roadstone

Cutting Tool, Knives, Landscaping, Scrapers

Medical Industry

Antiquity Uses

Sculpture

Artifacts

Other Uses

Commercial Uses

Cemetery Markers, Creating Artwork

Types

Intermediate volcanic rock

Volcanic glass

Features

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

Available in Lots of Colors and Patterns, Clasts are smooth to touch

Archaeological Significance

Monuments

Famous Monuments

Sculpture

Famous Sculptures

Pictographs

Petroglyphs

Figurines

Fossils

Absent

Formation

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.

Tachylite 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

Pyroxene

Feldspar, Olivine

Compound Content

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

Fe, Mg

Transformation

Metamorphism

✔ ✘

Types of Metamorphism

Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism

Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism, Hydrothermal Metamorphism, Impact Metamorphism, Regional Metamorphism

Weathering

✔ ✘

Types of Weathering

Biological Weathering, Chemical Weathering, Mechanical Weathering

Erosion

✔ ✘

Types of Erosion

Chemical Erosion, Coastal Erosion, Glacier Erosion

Chemical Erosion, Sea Erosion, Water Erosion, Wind Erosion

Properties

Physical Properties

Hardness

65.5

1 7

👆🏻

Grain Size

Medium to Fine Coarse Grained

Fracture

Uneven

Conchoidal

Streak

White to Grey

Vermilion

Porosity

Less Porous

Luster

Dull

Resinous

Compressive Strength

175.00 N/mm²206.00 N/mm²

0.15 450

👆🏻

Cleavage

Toughness

1.6

Specific Gravity

2.982.4

0 8.4

👆🏻

Transparency

Opaque

Density

2.9-3 g/cm³3.058 g/cm³

0 1400

👆🏻

Thermal Properties

Specific Heat Capacity

0.79 kJ/Kg K0.56 kJ/Kg K

0.14 3.2

👆🏻

Resistance

Heat Resistant, Pressure Resistant

Heat Resistant, Impact Resistant, Wear Resistant

Reserves

Deposits in Eastern Continents

Asia

India, Russia

Cambodia, Russia, South Korea

Africa

South Africa

East Africa

Europe

Iceland

England, Germany, Hungary, Iceland, Scotland, Sweden

Others

Hawaii Islands

Deposits in Western Continents

North America

Canada, USA

USA

South America

Brazil

Deposits in Oceania Continent

Australia

Victoria

Shoshonite vs Tachylite 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 Shoshonite and Tachylite Reserves. 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. Tachylite is a vitreous form of basaltic volcanic glass. This glass is formed naturally by the rapid cooling of molten basalt. 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 Shoshonite vs Tachylite information and Shoshonite vs Tachylite characteristics in the upcoming sections.

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

More about Shoshonite and Tachylite

Here you can know more about Shoshonite and Tachylite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Shoshonite and Tachylite consists of mineral content and compound content. The mineral content of Shoshonite includes Pyroxene and mineral content of Tachylite includes Feldspar, Olivine. You can also check out the list of all Igneous Rocks. When we have to compare Shoshonite vs Tachylite, the texture, color and appearance plays an important role in determining the type of rock. Shoshonite is available in brown- black, dark brown colors whereas, Tachylite is available in black, dark brown colors. Appearance of Shoshonite is Dull and that of Tachylite is Glassy. Properties of rock is another aspect for Shoshonite vs Tachylite. The hardness of Shoshonite is 6 and that of Tachylite is 5.5. The types of Shoshonite are Intermediate volcanic rock whereas types of Tachylite are Volcanic glass. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Shoshonite is white to grey while that of Tachylite is vermilion. The specific heat capacity of Shoshonite is 0.79 kJ/Kg K and that of Tachylite is 0.56 kJ/Kg K. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Shoshonite is heat resistant, pressure resistant whereas Tachylite is heat resistant, impact resistant, wear resistant.