Laterite

Trachyte

Laterite and Trachyte

Laterite

Trachyte

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1 Definition

1.1 Definition

Laterite rock is a type of Sedimentary rock which is rich in iron and aluminium, formed in hot and wet tropical areas

Trachyte is a grey fine-grained volcanic rock which mainly consists of alkali feldspar

1.2 History

1.2.1 Origin

India

Unknown

1.2.2 Discoverer

Francis Buchanan-Hamilton

Alexandre Brongniart and René Just Haüy

1.3 Etymology

From Latin later brick, tile + -ite1

From Greek trakhus rough’ or trakhutēs roughness

1.4 Class

Sedimentary Rocks

Igneous Rocks

1.4.1 Sub-Class

Durable Rock, Soft Rock

Durable Rock, Medium Hardness Rock

1.5 Family

1.5.1 Group

Not Applicable

Volcanic

1.6 Other Categories

Fine Grained Rock, Opaque Rock

2 Texture

2.1 Texture

Earthy, Massive, Porphyritic

Aphanitic to Porphyritic

2.2 Color

Brown, Buff, Red

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

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

Rough and Banded

Banded

3 Uses

3.1 Architecture

3.1.1 Interior Uses

Decorative Aggregates, Flooring, Interior Decoration

Decorative Aggregates, Flooring, Homes, Interior Decoration

3.1.2 Exterior Uses

As Building Stone, As Facing Stone, Garden Decoration

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

3.1.3 Other Architectural Uses

Curbing

3.2 Industry

3.2.1 Construction Industry

Cobblestones, for Road Aggregate, Landscaping, Roadstone

As Dimension Stone, Building houses or walls, Cement Manufacture, Construction Aggregate, for Road Aggregate, Landscaping, Making natural cement, Manufacture of Magnesium and Dolomite Refractories

3.2.2 Medical Industry

Not Yet Used

3.3 Antiquity Uses

Artifacts, Monuments, Sculpture

Artifacts, Monuments, Sculpture, Small Figurines

3.4 Other Uses

3.4.1 Commercial Uses

An Oil and Gas Reservoir, Source of bauxite, Used in aquariums

Cemetery Markers, Creating Artwork

4 Types

4.1 Types

Not Available

4.2 Features

Is one of the oldest rock, Very fine grained rock

Available in Lots of Colors and Patterns, Is one of the oldest rock, Matrix variable

4.3 Archaeological Significance

4.3.1 Monuments

Used

4.3.2 Famous Monuments

Data Not Available

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

Present

Absent

5 Formation

5.1 Formation

Laterite is a type of sedimentary rock which is generally a reddish weathering product of basalt.

Trachyte is an igneous volcanic rock with an aphanitic to porphyritic texture. It is the volcanic equivalent of syenite rock and forms as a result of magmatic differentiation.

5.2 Composition

5.2.1 Mineral Content

Aluminum Oxides, Biotite, Hematite, Hornblade, Iron Oxides, Manganese Oxides, Micas, Muscovite or Illite, Plagioclase, Pyroxene

Augite, Biotite, Feldspar, Hornblade, Plagioclase, Quartz

5.2.2 Compound Content

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

Potassium Oxide, Sodium Oxide, Silicon Dioxide

5.3 Transformation

5.3.1 Metamorphism

✔ ✘

5.3.2 Types of Metamorphism

Not Applicable

Cataclastic Metamorphism, Contact Metamorphism, Regional Metamorphism

5.3.3 Weathering

✔ ✘

5.3.4 Types of Weathering

Biological Weathering, Chemical Weathering

Biological Weathering, Chemical Weathering, Mechanical Weathering

5.3.5 Erosion

✔ ✘

5.3.6 Types of Erosion

Chemical Erosion, Water Erosion, Wind Erosion

Chemical Erosion, Coastal Erosion, Glacier Erosion, Sea Erosion, Water Erosion, Wind Erosion

6 Properties

6.1 Physical Properties

6.1.1 Hardness

1 7

6.1.2 Grain Size

Fine Grained

6.1.3 Fracture

Conchoidal

Not Available

6.1.4 Streak

White

6.1.5 Porosity

Highly Porous

Less Porous

6.1.6 Luster

Dull

Metallic

6.1.7 Compressive Strength

NA150.00 N/mm²

0.15 450

6.1.8 Cleavage

Not Applicable

Not Available

6.1.9 Toughness

Not Available

6.1.10 Specific Gravity

Not Available2.7

0 8.4

6.1.11 Transparency

Opaque

6.1.12 Density

Not Available2.43-2.45 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

Heat Resistant, Impact Resistant, Wear Resistant

7 Reserves

7.1 Deposits in Eastern Continents

7.1.1 Asia

India

China, India, Iran, Saudi Arabia, Sri Lanka, Taiwan, Thailand, Turkey, Vietnam

7.1.2 Africa

East Africa, Western Africa

Angola, Egypt, Madagascar, Namibia, Nigeria, South Africa

7.1.3 Europe

England, Romania, Scotland

Bulgaria, England, Germany, Norway, Romania, Switzerland

7.1.4 Others

Not Yet Found

7.2 Deposits in Western Continents

7.2.1 North America

Canada, USA

USA

7.2.2 South America

Not Yet Found

Brazil, Chile

7.3 Deposits in Oceania Continent

7.3.1 Australia

Central Australia, Western Australia

New Zealand, Queensland, South Australia, Western Australia

All about Laterite and Trachyte Properties

Know all about Laterite and Trachyte properties here. All properties of rocks are important as they define the type of rock and its application. Laterite belongs to Sedimentary Rocks while Trachyte belongs to Igneous Rocks.Texture of Laterite is Earthy, Massive, Porphyritic whereas that of Trachyte is Aphanitic to Porphyritic. Laterite appears Rough and Banded and Trachyte appears Banded. The luster of Laterite is dull while that of Trachyte is metallic. Laterite is available in brown, buff, red colors whereas Trachyte is available in black, brown, dark greenish - grey, green, grey, light to dark grey, white colors. The commercial uses of Laterite are an oil and gas reservoir, source of bauxite, used in aquariums and that of Trachyte are cemetery markers, creating artwork.