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Lamprophyre and Sandstone


Sandstone and Lamprophyre


Definition

Definition
Lamprophyre is uncommon igneous rocks primarily occurring as dikes, lopoliths, laccoliths, stocks and small intrusions   
Sandstone is defined as a rock which is composed of sand-sized grains of various minerals mostly of uniform size and often are smooth and rounded   

History
  
  

Discoverer
Unknown   
Unknown   

Etymology
From Greek lampros bright and shining + porphureos purple   
From its composition, sand and stone   

Class
Igneous Rocks   
Sedimentary Rocks   

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

Family
  
  

Group
Plutonic   
Not Applicable   

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

Texture

Texture
Porphyritic   
Clastic, Granular, Rough   

Color
Black, Bluish - Grey, Brown, Dark Greenish - Grey, Green, Grey   
Beige, Black, Brown, Colourless, Cream, Dark Brown, Green, Grey, Light Green, Light to Dark Grey, Pink, Red, White, Yellow   

Maintenance
Less   
More   

Durability
Durable   
Durable   

Water Resistant
Yes   
Yes   

Scratch Resistant
Yes   
Yes   

Stain Resistant
Yes   
No   

Wind Resistant
No   
Yes   

Acid Resistant
No   
Yes   

Appearance
Dull, Banded and Foilated   
Rough   

Uses

Architecture
  
  

Interior Uses
Decorative Aggregates, Interior Decoration   
Countertops, Decorative Aggregates, Interior Decoration   

Exterior Uses
As Building Stone, Office Buildings   
As Building Stone, As Facing Stone, Office Buildings   

Other Architectural Uses
Curbing   
Curbing   

Industry
  
  

Construction Industry
As Dimension Stone, Cement Manufacture, for Road Aggregate, Making natural cement, Manufacture of Magnesium and Dolomite Refractories   
Cement Manufacture, Construction Aggregate, for Road Aggregate, Production of Glass and Ceramics, Raw material for the manufacture of mortar   

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

Antiquity Uses
Artifacts, Monuments, Sculpture   
Artifacts, Monuments, Sculpture   

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)   
An Oil and Gas Reservoir, In aquifers, Petroleum reservoirs, Soil Conditioner, Source of Magnesia (MgO), Tombstones, Used in aquariums   

Types

Types
Minette, Alnoite, Camptonite, Monchiquite, Fourchite, Vogesite, Appinite and Spessartite   
Grey Sandstones, Crystallized Sandstones, Hard Sandstones , Carbonate Cemented Sandstones and Ganister   

Features
Always found as volcanic pipes over deep continental crust, Host rock for Diamond, Is one of the oldest rock, Surfaces are often shiny   
Available in Lots of Colors and Patterns, Generally rough to touch, Very fine grained rock   

Archaeological Significance
  
  

Monuments
Used   
Used   

Famous Monuments
Data Not Available   
Abu Simbel in Egypt, Agia Sophia in Istanbul, Turkey, Angkor Wat in Cambodia, Buland Darwaza in Agra, India, Chhatrapati Shivaji Terminus in Maharashtra, India, Dom in Berlin, Great Sphinx at Giza, Egypt, Hawa Mahal in Jaipur, India, Humayun's Tomb in Delhi, India, India Gate in Delhi, India, Jama Masjid in Delhi, India, Khajuraho Temples, India, Leh Palace in Leh, India, Lotus Temple in New Delhi, India, Luxor Temple in Egypt, Machu Picchu in Peru, Neuschwanstein in Bavaria, Petra in Jordan, Qutb Minar in India, Red Fort in Delhi, India, Sanchi Stupa in India   

Sculpture
Used   
Used   

Famous Sculptures
Data Not Available   
Ajanta Caves in Maharashtra, India, Elephanta Caves in Maharashtra, India, Mount Rushmore National Memorial in South Dakota, US   

Pictographs
Used   
Not Used   

Petroglyphs
Used   
Not Used   

Figurines
Used   
Used   

Fossils
Absent   
Present   

Formation

Formation
Lamprophyre formation takes place deep beneath the Earth’s surface at around 150 to 450 kilometres, and are erupted rapidly and violently.   
Sandstone is a sedimentary rock which forms from cemented sand-sized clasts. It forms when sand layers are buried under sediments of sand.   

Composition
  
  

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

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

Transformation
  
  

Metamorphism
Yes   
No   

Types of Metamorphism
Cataclastic Metamorphism, Impact Metamorphism   
Not Applicable   

Weathering
Yes   
Yes   

Types of Weathering
Biological Weathering   
Biological Weathering, Chemical Weathering, Mechanical Weathering   

Erosion
Yes   
Yes   

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

Properties

Physical Properties
  
  

Hardness
5-6   
6-7   

Grain Size
Fine to Coarse Grained   
Coarse or Fine   

Fracture
Conchoidal   
Conchoidal   

Streak
White   
White   

Porosity
Very Less Porous   
Highly Porous   

Luster
Subvitreous to Dull   
Dull   

Compressive Strength
Not Available   
95.00 N/mm2   
20

Cleavage
Conchoidal   
Perfect   

Toughness
Not Available   
2.6   

Specific Gravity
2.86-2.87   
2.2-2.8   

Transparency
Translucent to Opaque   
Opaque   

Density
2.95-2.96 g/cm3   
2.2-2.8 g/cm3   

Thermal Properties
  
  

Specific Heat Capacity
Not Available   
0.92 kJ/Kg K   
10

Resistance
Heat Resistant, Impact Resistant   
Heat Resistant, Impact Resistant, Pressure Resistant   

Reserves

Deposits in Eastern Continents
  
  

Asia
Russia   
China, India, Kazakhstan, Mongolia, Russia, Thailand, Uzbekistan   

Africa
Angola, Botswana, Cameroon, Ethiopia, South Africa   
Namibia, Nigeria, South Africa   

Europe
England, Hungary, Iceland, United Kingdom   
Austria, Denmark, Germany, Great Britain, Netherlands, Norway, Poland, Sweden, Switzerland, United Kingdom   

Others
Antarctica, Greenland   
Greenland   

Deposits in Western Continents
  
  

North America
Canada, Mexico, USA   
Canada, USA   

South America
Argentina, Colombia, Ecuador   
Brazil   

Deposits in Oceania Continent
  
  

Australia
New South Wales, New Zealand, Queensland, South Australia, Western Australia   
New South Wales, New Zealand   

Summary >>
<< Reserves

All about Lamprophyre and Sandstone Properties

Know all about Lamprophyre and Sandstone properties here. All properties of rocks are important as they define the type of rock and its application. Lamprophyre belongs to Igneous Rocks while Sandstone belongs to Sedimentary Rocks.Texture of Lamprophyre is Porphyritic whereas that of Sandstone is Clastic, Granular, Rough. Lamprophyre appears Dull, Banded and Foilated and Sandstone appears Rough. The luster of Lamprophyre is subvitreous to dull while that of Sandstone is dull. Lamprophyre is available in black, bluish - grey, brown, dark greenish - grey, green, grey colors whereas Sandstone is available in beige, black, brown, colourless, cream, dark brown, green, grey, light green, light to dark grey, pink, red, white, yellow colors. The commercial uses of Lamprophyre 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 Sandstone are an oil and gas reservoir, in aquifers, petroleum reservoirs, soil conditioner, source of magnesia (mgo), tombstones, used in aquariums.

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