Definition
Taconite is a low-grade iron ore which belongs to sedimentary rock and containing about 27% iron and 51% silica
History
Origin
Western Australia, Minnesota
Discoverer
Newton Horace Winchell
Etymology
From the name of Taconic Mountains in New England
Class
Sedimentary Rocks
Sub-Class
Durable Rock, Medium Hardness Rock
Family
Group
-
Other Categories
Coarse Grained Rock, Opaque Rock
Texture
Banded, Trellis
Color
Red, Reddish Brown
Maintenance
Less
Durability
Durable
Water Resistant
✔
✘
58% - Sedimentary Rocks Rocks have it !
Scratch Resistant
✔
✘
61% - Sedimentary Rocks Rocks have it !
Stain Resistant
✔
✘
42% - Sedimentary Rocks Rocks
Wind Resistant
✔
✘
36% - Sedimentary Rocks Rocks have it !
Acid Resistant
✔
✘
19% - Sedimentary Rocks Rocks
Appearance
Layered, Banded, Veined and Shiny
Architecture
Interior Uses
Decorative Aggregates, Entryways, Flooring, Homes, Interior Decoration
Exterior Uses
As Building Stone, Garden Decoration, Paving Stone
Other Architectural Uses
Curbing
Industry
Construction Industry
As Dimension Stone, Used for flooring, stair treads, borders and window sills.
Medical Industry
-
Antiquity Uses
Artifacts
Other Uses
Commercial Uses
As a touchstone, Cemetery Markers, Creating Artwork
Types
Iron formation
Features
Is one of the oldest rock
Archaeological Significance
Monuments
-
Famous Monuments
-
Sculpture
-
Famous Sculptures
-
Pictographs
-
Petroglyphs
-
Figurines
-
Fossils
Present
Formation
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
Hematite, Magnetite, Quartz
Compound Content
Fe, Iron(III) Oxide, Silicon Dioxide
Transformation
Metamorphism
✔
✘
17% - Sedimentary Rocks Rocks
Types of Metamorphism
-
Weathering
✔
✘
78% - Sedimentary Rocks Rocks have it !
Types of Weathering
Biological Weathering, Mechanical Weathering
Erosion
✔
✘
86% - Sedimentary Rocks Rocks have it !
Types of Erosion
Chemical Erosion, Coastal Erosion, Glacier Erosion, Water Erosion, Wind Erosion
Physical Properties
Hardness
5.5-6
1
7
👆🏻
Grain Size
Large and Coarse Grained
Fracture
Uneven, Splintery or Conchoidal
Streak
White
Porosity
Highly Porous
Luster
Earthy
Compressive Strength
190.00 N/mm2
Rank: 15 (Overall)
0.15
450
👆🏻
Cleavage
-
Toughness
1.5
Specific Gravity
5-5.3
0
8.4
👆🏻
Transparency
Translucent to Opaque
Density
-9999 g/cm3
0
1400
👆🏻
Thermal Properties
Specific Heat Capacity
3.20 kJ/Kg K
Rank: 1 (Overall)
0.14
3.2
👆🏻
Resistance
Heat Resistant, Impact Resistant, Pressure Resistant, Wear Resistant
Deposits in Eastern Continents
Asia
China, India, Iran, Iraq, Oman, Russia, Saudi Arabia, Taiwan, Thailand, Vietnam
Africa
Kenya, Morocco, South Africa, Tanzania
Europe
Austria, France, Greece, Italy, Malta, Poland, Portugal, Serbia, Spain, Sweden, United Kingdom
Others
Greenland, Mid-Atlantic Ridge
Deposits in Western Continents
North America
Canada, Mexico, USA
South America
Bolivia, Brazil
Deposits in Oceania Continent
Australia
New South Wales, Queensland, South Australia, Western Australia