Dolomite and Diamictite
Definition
Definition
Dolomite is a sedimentary rock containing more than 50 percent of the mineral dolomite by weight
Diamictite is a sedimentary rock that consists of non-sorted to poorly sorted terrigenous sediment containing particles that range in size from clay to boulders, suspended in a matrix of mudstone or sandstone
History
Origin
Southern Alps, France
Southern Mongolia
Discoverer
Dolomieu
Unknown
Etymology
From French, from the name of Dolomieu (1750–1801), the French geologist who discovered the rock
From Greek dia through and meiktós or mixed
Class
Sedimentary Rocks
Sedimentary Rocks
Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Soft Rock
Family
Group
Not Applicable
Not Applicable
Other Categories
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock
Coarse Grained Rock, Opaque Rock
Texture
Texture
Earthy
Clastic
Color
Black, Brown, Colourless, Green, Grey, Pink, White
Brown, Buff
Maintenance
Less
Less
Durability
Durable
Durable
Water Resistant
No
No
Scratch Resistant
Yes
No
Stain Resistant
No
No
Wind Resistant
No
No
Acid Resistant
No
No
Appearance
Glassy or Pearly
Banded
Uses
Architecture
Interior Uses
Decorative Aggregates, Homes, Interior Decoration
Decorative Aggregates, Interior Decoration
Exterior Uses
Garden Decoration, Office Buildings
As Building Stone, Paving Stone
Other Architectural Uses
Not Yet Used
Curbing
Industry
Construction Industry
As a Flux in the Production of Steel and Pig Iron, As a Sintering Agent in Steel Industry to process Iron Ore, As Dimension Stone, Cement Manufacture, for Road Aggregate, Making natural cement, Manufacture of Magnesium and Dolomite Refractories, Production of Glass and Ceramics, Serves as an Oil and Gas Reservoir rock
As Dimension Stone, Construction Aggregate, for Road Aggregate, Landscaping, Roadstone
Medical Industry
Taken as a Supplement for Calcium or Magnesium
Not Yet Used
Antiquity Uses
Artifacts, Jewellery, Monuments, Sculpture, Small Figurines
Artifacts
Other Uses
Commercial Uses
An Oil and Gas Reservoir, As a Feed Additive for Livestock, Gemstone, Metallurgical Flux, Production of Lime, Soil Conditioner, Source of Magnesia (MgO)
Commemorative Tablets, Creating Artwork, Production of Lime
Types
Types
Boninite and Jasperoid
Bedded Diamictite and Laminated Diamictite
Features
Host Rock for Lead, Traps for subsurface fluids like Oil and Natural Gas., Zinc and Copper Deposits
Host Rock for Lead, Is one of the oldest rock
Archaeological Significance
Monuments
Used
Not Yet Used
Famous Monuments
Data Not Available
Not Applicable
Sculpture
Used
Not Yet Used
Famous Sculptures
Data Not Available
Not Applicable
Pictographs
Used
Used
Petroglyphs
Used
Used
Figurines
Used
Not Yet Used
Fossils
Present
Present
Formation
Formation
Dolomite rocks are originally deposited as calcite or aragonite rich limestone, but during diagenesis process, the calcite or aragonite is transformed into dolomite.
Diamictite is unevenly sorted terrigenous, non-calcareous sedimentary rock which forms due to weathering of mudstone and sandstone.
Composition
Mineral Content
Clay Minerals, Pyrite, Quartz, Sulfides
Calcite, Clay, Feldspar, Micas, Quartz
Compound Content
NaCl, CaO, Carbon Dioxide, Magnesium Carbonate, MgO
Not Available
Transformation
Metamorphism
Yes
No
Types of Metamorphism
Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism
Not Applicable
Weathering
No
Yes
Types of Weathering
Not Applicable
Biological Weathering, Chemical Weathering
Erosion
No
Yes
Types of Erosion
Not Applicable
Chemical Erosion, Coastal Erosion, Water Erosion
Properties
Physical Properties
Hardness
3.5-4
2-3
Grain Size
Medium to Fine Coarse Grained
Coarse Grained
Fracture
Conchoidal
Conchoidal to Uneven
Streak
White
Light to dark brown
Porosity
Less Porous
Highly Porous
Luster
Vitreous and Pearly
Grainy, Pearly and Vitreous
Compressive Strength
140.00 N/mm2
15
Not Available
Cleavage
Perfect
Not Available
Toughness
1
Not Available
Specific Gravity
2.8-3
4.3-5.0
Transparency
Transparent to Translucent
Opaque
Density
2.8-2.9 g/cm3
2.2-2.35 g/cm3
Thermal Properties
Specific Heat Capacity
0.92 kJ/Kg K
10
0.75 kJ/Kg K
18
Resistance
Heat Resistant, Pressure Resistant, Wear Resistant
Heat Resistant, Impact Resistant
Reserves
Deposits in Eastern Continents
Asia
China, India
China, India, Kazakhstan, Mongolia, Russia
Africa
Morocco, Namibia
Namibia, Nigeria, South Africa
Europe
Austria, Italy, Romania, Spain, Switzerland
Austria, Denmark, Germany, Great Britain, Netherlands, Norway, Poland, Sweden, Switzerland, United Kingdom
Others
Not Yet Found
Not Yet Found
Deposits in Western Continents
North America
Mexico, USA
Canada, USA
South America
Brazil, Colombia
Brazil, Venezuela
Deposits in Oceania Continent
Australia
New South Wales, Queensland, Yorke Peninsula
New South Wales, New Zealand
All about Dolomite and Diamictite Properties
Know all about Dolomite and Diamictite properties here. All properties of rocks are important as they define the type of rock and its application. Dolomite and Diamictite belong to Sedimentary Rocks.Texture of Dolomite is Earthy whereas that of Diamictite is Clastic. Dolomite appears Glassy or Pearly and Diamictite appears Banded. The luster of Dolomite is vitreous and pearly while that of Diamictite is grainy, pearly and vitreous. Dolomite is available in black, brown, colourless, green, grey, pink, white colors whereas Diamictite is available in brown, buff colors. The commercial uses of Dolomite are an oil and gas reservoir, as a feed additive for livestock, gemstone, metallurgical flux, production of lime, soil conditioner, source of magnesia (mgo) and that of Diamictite are commemorative tablets, creating artwork, production of lime.
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