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Chalk vs Lamprophyre


Lamprophyre vs Chalk


Definition

Definition
Chalk is a soft, white, powdery limestone consisting mainly of fossil shells of foraminifers   
Lamprophyre is uncommon igneous rocks primarily occurring as dikes, lopoliths, laccoliths, stocks and small intrusions   

History
  
  

Discoverer
Unknown   
Unknown   

Etymology
From old English cealc chalk, lime, plaster; pebble, from Greek khalix small pebble, in English transferred to the opaque, white, soft limestone   
From Greek lampros bright and shining + porphureos purple   

Class
Sedimentary Rocks   
Igneous Rocks   

Sub-Class
Durable Rock, Soft Rock   
Durable Rock, Medium Hardness Rock   

Family
  
  

Group
Not Applicable   
Plutonic   

Other Categories
Fine Grained Rock, Opaque Rock   
Coarse Grained Rock, Fine Grained Rock, Opaque Rock   

Texture

Texture
Clastic or Non-Clastic   
Porphyritic   

Color
Grey, White, Yellow   
Black, Bluish - Grey, Brown, Dark Greenish - Grey, Green, Grey   

Maintenance
Less   
Less   

Durability
Durable   
Durable   

Water Resistant
No   
Yes   

Scratch Resistant
No   
Yes   

Stain Resistant
No   
Yes   

Wind Resistant
No   
No   

Acid Resistant
No   
No   

Appearance
Soft   
Dull, Banded and Foilated   

Uses

Architecture
  
  

Interior Uses
Decorative Aggregates, Homes, Interior Decoration   
Decorative Aggregates, Interior Decoration   

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

Other Architectural Uses
Powder   
Curbing   

Industry
  
  

Construction Industry
As Dimension Stone, Cement Manufacture, Construction Aggregate, for Road Aggregate, Making natural cement, raw material for manufacture of quicklime and slaked lime, Source of calcium   
As Dimension Stone, Cement Manufacture, for Road Aggregate, Making natural cement, Manufacture of Magnesium and Dolomite Refractories   

Medical Industry
Not Yet Used   
Taken as a Supplement for Calcium or Magnesium   

Antiquity Uses
Artifacts, Monuments, Sculpture, Small Figurines   
Artifacts, Monuments, Sculpture   

Other Uses
  
  

Commercial Uses
Alumina Refineries, Creating Artwork, Drawing on blackboards, Gymnasts, athletes and mountain climbers use for grip, In aquifers, Paper Industry, Production of Lime, Raw material for manufacture of quicklime, slaked lime, Soil Conditioner, Whiting, Whiting material in toothpaste, paint and paper   
An Oil and Gas Reservoir, As a Feed Additive for Livestock, Gemstone, Metallurgical Flux, Production of Lime, Soil Conditioner, Source of Magnesia (MgO)   

Types

Types
Not Available   
Minette, Alnoite, Camptonite, Monchiquite, Fourchite, Vogesite, Appinite and Spessartite   

Features
Clasts are smooth to touch, Is one of the oldest rock, Smooth to touch, Very fine grained rock   
Always found as volcanic pipes over deep continental crust, Host rock for Diamond, Is one of the oldest rock, Surfaces are often shiny   

Archaeological Significance
  
  

Monuments
Used   
Used   

Famous Monuments
Data Not Available   
Data Not Available   

Sculpture
Used   
Used   

Famous Sculptures
Data Not Available   
Data Not Available   

Pictographs
Used   
Used   

Petroglyphs
Used   
Used   

Figurines
Used   
Used   

Fossils
Present   
Absent   

Formation

Formation
Chalk is formed from lime mud, which accumulates on the sea floor which is then transformed into rock by geological processes.   
Lamprophyre formation takes place deep beneath the Earth’s surface at around 150 to 450 kilometres, and are erupted rapidly and violently.   

Composition
  
  

Mineral Content
Calcite, Clay, Clay Minerals, Quartz, Sand   
Amphibole, Carbonate, Garnet, Micas, Olivine, Phlogopite, Pyroxene   

Compound Content
Ca, NaCl, CaO   
Aluminium Oxide, NaCl, CaO, Iron(III) Oxide, FeO, Potassium Oxide, MgO, MnO, Sodium Oxide, Silicon Dioxide, Titanium Dioxide   

Transformation
  
  

Metamorphism
No   
Yes   

Types of Metamorphism
Not Applicable   
Cataclastic Metamorphism, Impact Metamorphism   

Weathering
Yes   
Yes   

Types of Weathering
Biological Weathering, Chemical Weathering   
Biological Weathering   

Erosion
Yes   
Yes   

Types of Erosion
Chemical Erosion, Coastal Erosion, Water Erosion   
Chemical Erosion, Water Erosion, Wind Erosion   

Properties

Physical Properties
  
  

Hardness
1   
5-6   

Grain Size
Very fine-grained   
Fine to Coarse Grained   

Fracture
Not Available   
Conchoidal   

Streak
White   
White   

Porosity
Highly Porous   
Very Less Porous   

Luster
Dull   
Subvitreous to Dull   

Cleavage
Non-Existent   
Conchoidal   

Toughness
1   
Not Available   

Specific Gravity
2.3-2.4   
2.86-2.87   

Transparency
Opaque   
Translucent to Opaque   

Density
2.49-2.50 g/cm3   
2.95-2.96 g/cm3   

Thermal Properties
  
  

Specific Heat Capacity
0.90 kJ/Kg K   
12
Not Available   

Resistance
Heat Resistant   
Heat Resistant, Impact Resistant   

Reserves

Deposits in Eastern Continents
  
  

Asia
Brunei, India, Indonesia, Malaysia, Singapore, Thailand, Vietnam   
Russia   

Africa
Cameroon, Chad, Ghana, Kenya, Malawi, Sudan, Tanzania, Togo, Zambia, Zimbabwe   
Angola, Botswana, Cameroon, Ethiopia, South Africa   

Europe
England, France, Germany, Spain, United Kingdom   
England, Hungary, Iceland, United Kingdom   

Others
Not Yet Found   
Antarctica, Greenland   

Deposits in Western Continents
  
  

North America
Canada, USA   
Canada, Mexico, USA   

South America
Colombia   
Argentina, Colombia, Ecuador   

Deposits in Oceania Continent
  
  

Australia
Adelaide, New Zealand, Queensland, Tonga, Victoria, Yorke Peninsula   
New South Wales, New Zealand, Queensland, South Australia, Western Australia   

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Chalk vs Lamprophyre Information

Earth’s outer layer is covered by rocks and these rocks have different physical and chemical properties. As two rocks are not same, it’s fun to compare them. You can also know more about Chalk and Lamprophyre Reserves. Chalk is a soft, white, powdery limestone consisting mainly of fossil shells of foraminifers. Lamprophyre is uncommon igneous rocks primarily occurring as dikes, lopoliths, laccoliths, stocks and small intrusions. These rocks are composed of many distinct minerals. The process of formation of rocks is different for various rocks. Rocks are quarried from many years for various purposes. You can check out Chalk vs Lamprophyre information and Chalk vs Lamprophyre characteristics in the upcoming sections.

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Chalk vs Lamprophyre Characteristics

Though some rocks look identical, they have certain characteristics which distinguish them from others. Characteristics of rocks include texture, appearance, color, fracture, streak, hardness etc. Chalk vs Lamprophyre characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Chalk and Properties of Lamprophyre. Learn more about Chalk vs Lamprophyre in the next section. The interior uses of Chalk include Decorative aggregates, Homes and Interior decoration whereas the interior uses of Lamprophyre include Decorative aggregates and Interior decoration. Due to some exceptional properties of Chalk and Lamprophyre, they have various applications in construction industry. The uses of Chalk in construction industry include As dimension stone, Cement manufacture, Construction aggregate, For road aggregate, Making natural cement, Raw material for manufacture of quicklime and slaked lime, Source of calcium and that of Lamprophyre include As dimension stone, Cement manufacture, For road aggregate, Making natural cement, Manufacture of magnesium and dolomite refractories.

More about Chalk and Lamprophyre

Here you can know more about Chalk and Lamprophyre. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Chalk and Lamprophyre consists of mineral content and compound content. The mineral content of Chalk includes Calcite, Clay, Clay Minerals, Quartz, Sand and mineral content of Lamprophyre includes Amphibole, Carbonate, Garnet, Micas, Olivine, Phlogopite, Pyroxene. You can also check out the list of all Sedimentary Rocks. When we have to compare Chalk vs Lamprophyre, the texture, color and appearance plays an important role in determining the type of rock. Chalk is available in grey, white, yellow colors whereas, Lamprophyre is available in black, bluish - grey, brown, dark greenish - grey, green, grey colors. Appearance of Chalk is Soft and that of Lamprophyre is Dull, Banded and Foilated. Properties of rock is another aspect for Chalk vs Lamprophyre. The hardness of Chalk is 1 and that of Lamprophyre is 5-6. The types of Chalk are Not Available whereas types of Lamprophyre are Minette, Alnoite, Camptonite, Monchiquite, Fourchite, Vogesite, Appinite and Spessartite. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Chalk and Lamprophyre is white. The specific heat capacity of Chalk is 0.90 kJ/Kg K and that of Lamprophyre is Not Available. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Chalk is heat resistant whereas Lamprophyre is heat resistant, impact resistant.

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