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Trachyandesite
Trachyandesite




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Trachyandesite Rock

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Definition

Definition

Trachyandesite is an extrusive igneous rock.

History

Origin

Indonesia

Discoverer

Unknown

Etymology

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

Class

Igneous Rocks

Sub-Class

Durable Rock, Medium Hardness Rock

Family

Group

Volcanic

Other Categories

Fine Grained Rock, Opaque Rock

Texture

Texture

Glassy, Massive, Porphyritic, Scoriaceous, Vesicular

Color

Black, Brown, Light to Dark Grey

Maintenance

Less

Durability

Durable

Water Resistant

81% - Igneous Rocks Rocks have it !

Scratch Resistant

86% - Igneous Rocks Rocks have it !

Stain Resistant

66% - Igneous Rocks Rocks

Wind Resistant

49% - Igneous Rocks Rocks

Acid Resistant

48% - Igneous Rocks Rocks

Appearance

Dull and Soft

Uses

Architecture

Interior Uses

Countertops, Decorative Aggregates, Homes, Interior Decoration

Exterior Uses

As Building Stone, As Facing Stone, Garden Decoration

Other Architectural Uses

Curbing

Industry

Construction Industry

Building houses or walls, Cobblestones, for Road Aggregate, Rail Track Ballast, Roadstone

Medical Industry

-

Antiquity Uses

Artifacts, Sculpture

Other Uses

Commercial Uses

Creating Artwork, Pottery

Types

Types

Basaltic Trachyandesite

Features

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

Formation

Formation

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

Alkali feldspar, Biotite, Olivine, Plagioclase, Pyroxene, Sodic plagioclase

Compound Content

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

Transformation

Metamorphism

97% - Igneous Rocks Rocks have it !

Types of Metamorphism

Cataclastic Metamorphism, Contact Metamorphism, Regional Metamorphism

Weathering

99% - Igneous Rocks Rocks have it !

Types of Weathering

Biological Weathering, Chemical Weathering, Mechanical Weathering

Erosion

92% - Igneous Rocks Rocks have it !

Types of Erosion

Chemical Erosion, Coastal Erosion, Water Erosion, Wind Erosion

Properties

Physical Properties

Hardness

4-5
1 7
👆🏻

Grain Size

Fine Grained

Fracture

Conchoidal

Streak

Light to dark brown

Porosity

Less Porous

Luster

Earthy

Compressive Strength

37.40 N/mm2
Rank: 42 (Overall)
0.15 450
👆🏻

Cleavage

Perfect

Toughness

2.3

Specific Gravity

2.8-3
0 8.4
👆🏻

Transparency

Opaque

Density

2.9-3.1 g/cm3
0 1400
👆🏻

Thermal Properties

Specific Heat Capacity

0.84 kJ/Kg K
Rank: 15 (Overall)
0.14 3.2
👆🏻

Resistance

Heat Resistant, Pressure Resistant, Wear Resistant

Reserves

Deposits in Eastern Continents

Asia

India, Russia

Africa

South Africa

Europe

Iceland

Others

-

Deposits in Western Continents

North America

Canada, USA

South America

Brazil

Deposits in Oceania Continent

Australia

-

Information about Trachyandesite

Rocks are naturally occurring solids which are composed of minerals & have been used by humans since ages. From Stone Age, rocks are used for various purposes. Also, the metals and minerals found in rock play an important role in our life. Get to know all the Trachyandesite Uses. We have provided you with all information about Trachyandesite rock here. Trachyandesite is an extrusive igneous rock.. Trachyandesite is available in black, brown, light to dark grey colors. The streak of a rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Trachyandesite is light to dark brown. Get to know more about Trachyandesite rock and characteristics of Trachyandesite rock in the next sections.