Laterite

Taconite

Laterite and Taconite

Laterite

Taconite

Add ⊕

Definition

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

Taconite is a low-grade iron ore which belongs to sedimentary rock and containing about 27% iron and 51% silica

History

Origin

India

Western Australia, Minnesota

Discoverer

Francis Buchanan-Hamilton

Newton Horace Winchell

Etymology

From Latin later brick, tile + -ite1

From the name of Taconic Mountains in New England

Class

Sedimentary Rocks

Sub-Class

Durable Rock, Soft Rock

Durable Rock, Medium Hardness Rock

Family

Group

Other Categories

Fine Grained Rock, Opaque Rock

Coarse Grained Rock, Opaque Rock

Texture

Earthy, Massive, Porphyritic

Banded, Trellis

Color

Brown, Buff, Red

Red, Reddish Brown

Maintenance

Less

Durability

Durable

Water Resistant

✔ ✘

Scratch Resistant

✔ ✘

Stain Resistant

✔ ✘

Wind Resistant

✔ ✘

Acid Resistant

✔ ✘

Appearance

Rough and Banded

Layered, Banded, Veined and Shiny

Uses

Architecture

Interior Uses

Decorative Aggregates, Flooring, Interior Decoration

Decorative Aggregates, Entryways, Flooring, Homes, Interior Decoration

Exterior Uses

As Building Stone, As Facing Stone, Garden Decoration

As Building Stone, Garden Decoration, Paving Stone

Other Architectural Uses

Curbing

Industry

Construction Industry

Cobblestones, for Road Aggregate, Landscaping, Roadstone

As Dimension Stone, Used for flooring, stair treads, borders and window sills.

Medical Industry

Antiquity Uses

Artifacts, Monuments, Sculpture

Artifacts

Other Uses

Commercial Uses

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

As a touchstone, Cemetery Markers, Creating Artwork

Types

Laterite

Iron formation

Features

Is one of the oldest rock, Very fine grained rock

Is one of the oldest rock

Archaeological Significance

Monuments

Famous Monuments

Sculpture

Famous Sculptures

Pictographs

Petroglyphs

Figurines

Fossils

Present

Formation

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

Taconite is a type of sedimentary rock formed when a river carries or transports pieces of broken rock as it flows. When the river reaches a lake or sea, its load of transported rocks settles or deposits at the bottom of sea or lake.

Composition

Mineral Content

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

Hematite, Magnetite, Quartz

Compound Content

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

Fe, Iron(III) Oxide, Silicon Dioxide

Transformation

Metamorphism

✔ ✘

Types of Metamorphism

Weathering

✔ ✘

Types of Weathering

Biological Weathering, Chemical Weathering

Biological Weathering, Mechanical Weathering

Erosion

✔ ✘

Types of Erosion

Chemical Erosion, Water Erosion, Wind Erosion

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

Properties

Physical Properties

Hardness

25.5-6

1 7

👆🏻

Grain Size

Fine Grained

Large and Coarse Grained

Fracture

Conchoidal

Uneven, Splintery or Conchoidal

Streak

White

Porosity

Highly Porous

Luster

Dull

Earthy

Compressive Strength

5.00 N/mm²190.00 N/mm²

0.15 450

👆🏻

Cleavage

Toughness

1.5

Specific Gravity

-99995-5.3

0 8.4

👆🏻

Transparency

Opaque

Translucent to Opaque

Density

-9999 g/cm³-9999 g/cm³

0 1400

👆🏻

Thermal Properties

Specific Heat Capacity

0.92 kJ/Kg K3.20 kJ/Kg K

0.14 3.2

👆🏻

Resistance

Heat Resistant, Pressure Resistant

Heat Resistant, Impact Resistant, Pressure Resistant, Wear Resistant

Reserves

Deposits in Eastern Continents

Asia

India

China, India, Iran, Iraq, Oman, Russia, Saudi Arabia, Taiwan, Thailand, Vietnam

Africa

East Africa, Western Africa

Kenya, Morocco, South Africa, Tanzania

Europe

England, Romania, Scotland

Austria, France, Greece, Italy, Malta, Poland, Portugal, Serbia, Spain, Sweden, United Kingdom

Others

Greenland, Mid-Atlantic Ridge

Deposits in Western Continents

North America

Canada, USA

Canada, Mexico, USA

South America

Bolivia, Brazil

Deposits in Oceania Continent

Australia

Central Australia, Western Australia

New South Wales, Queensland, South Australia, Western Australia

All about Laterite and Taconite Properties

Know all about Laterite and Taconite properties here. All properties of rocks are important as they define the type of rock and its application. Laterite and Taconite belong to Sedimentary Rocks.Texture of Laterite is Earthy, Massive, Porphyritic whereas that of Taconite is Banded, Trellis. Laterite appears Rough and Banded and Taconite appears Layered, Banded, Veined and Shiny. The luster of Laterite is dull while that of Taconite is earthy. Laterite is available in brown, buff, red colors whereas Taconite is available in red, reddish brown colors. The commercial uses of Laterite are an oil and gas reservoir, source of bauxite, used in aquariums and that of Taconite are as a touchstone, cemetery markers, creating artwork.