1 Definition
1.1 Definition
Scoria is a dark-colored extrusive igneous rock with abundant round bubble-like cavities
Lamprophyre is uncommon igneous rocks primarily occurring as dikes, lopoliths, laccoliths, stocks and small intrusions
1.2 History
1.2.1 Origin
1.2.2 Discoverer
1.3 Etymology
From late Middle English (denoting slag from molten metal), from Greek skōria refuse, from skōr dung
From Greek lampros bright and shining + porphureos purple
1.4 Class
Igneous Rocks
Igneous Rocks
1.4.1 Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Medium Hardness Rock
1.5 Family
1.5.1 Group
1.6 Other Categories
Fine Grained Rock, Opaque Rock
Coarse Grained Rock, Fine Grained Rock, Opaque Rock
2 Texture
2.1 Texture
2.2 Color
Black, Brown, Dark Grey to Black, Red
Black, Bluish - Grey, Brown, Dark Greenish - Grey, Green, Grey
2.3 Maintenance
2.4 Durability
2.4.1 Water Resistant
2.4.2 Scratch Resistant
2.4.3 Stain Resistant
2.4.4 Wind Resistant
2.4.5 Acid Resistant
2.5 Appearance
Glassy and Vesicular
Dull, Banded and Foilated
3 Uses
3.1 Architecture
3.1.1 Interior Uses
Decorative Aggregates, Interior Decoration
Decorative Aggregates, Interior Decoration
3.1.2 Exterior Uses
Garden Decoration, Paving Stone
As Building Stone, Office Buildings
3.1.3 Other Architectural Uses
3.2 Industry
3.2.1 Construction Industry
Cement Manufacture, Construction Aggregate, for Road Aggregate, In landscaping and drainage works
As Dimension Stone, Cement Manufacture, for Road Aggregate, Making natural cement, Manufacture of Magnesium and Dolomite Refractories
3.2.2 Medical Industry
Not Yet Used
Taken as a Supplement for Calcium or Magnesium
3.3 Antiquity Uses
Artifacts, Monuments, Sculpture
Artifacts, Monuments, Sculpture
3.4 Other Uses
3.4.1 Commercial Uses
As a traction material on snow-covered roads, Creating Artwork, High-temperature insulation, In gas barbecue grills
An Oil and Gas Reservoir, As a Feed Additive for Livestock, Gemstone, Metallurgical Flux, Production of Lime, Soil Conditioner, Source of Magnesia (MgO)
4 Types
4.1 Types
Not Available
Minette, Alnoite, Camptonite, Monchiquite, Fourchite, Vogesite, Appinite and Spessartite
1.2 Features
Available in Lots of Colors and Patterns, Generally rough to touch, Surfaces are often shiny
Always found as volcanic pipes over deep continental crust, Host rock for Diamond, Is one of the oldest rock, Surfaces are often shiny
1.3 Archaeological Significance
1.3.1 Monuments
1.4.2 Famous Monuments
Data Not Available
Data Not Available
1.4.4 Sculpture
1.5.1 Famous Sculptures
Data Not Available
Data Not Available
1.5.2 Pictographs
1.6.1 Petroglyphs
1.6.3 Figurines
1.8 Fossils
2 Formation
2.1 Formation
Scoria forms when magma containing huge amount of dissolved gas flows from a volcano during an eruption.
Lamprophyre formation takes place deep beneath the Earth’s surface at around 150 to 450 kilometres, and are erupted rapidly and violently.
2.3 Composition
2.3.1 Mineral Content
Apatite, Biotite, Calcite, Feldspar, Hematite, Hornblade, Ilmenite, Magnetite, Olivine, Pyroxene, Quartz, Silica
Amphibole, Carbonate, Garnet, Micas, Olivine, Phlogopite, Pyroxene
3.1.1 Compound Content
Ca, NaCl
Aluminium Oxide, NaCl, CaO, Iron(III) Oxide, FeO, Potassium Oxide, MgO, MnO, Sodium Oxide, Silicon Dioxide, Titanium Dioxide
3.3 Transformation
3.3.1 Metamorphism
3.4.1 Types of Metamorphism
Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism
Cataclastic Metamorphism, Impact Metamorphism
3.5.1 Weathering
3.5.3 Types of Weathering
Biological Weathering, Chemical Weathering, Mechanical Weathering
Biological Weathering
3.5.4 Erosion
3.5.6 Types of Erosion
Chemical Erosion, Coastal Erosion, Glacier Erosion
Chemical Erosion, Water Erosion, Wind Erosion
4 Properties
4.1 Physical Properties
4.1.1 Hardness
7.3.2 Grain Size
Fine Grained
Fine to Coarse Grained
7.3.3 Fracture
7.3.4 Streak
7.3.6 Porosity
Highly Porous
Very Less Porous
7.3.8 Luster
Subvitreous to Dull
Subvitreous to Dull
7.3.9 Compressive Strength
8.1.5 Cleavage
8.1.6 Toughness
8.1.8 Specific Gravity
Not Available2.86-2.87
0
8.4
8.1.11 Transparency
Opaque
Translucent to Opaque
8.1.12 Density
Not Available2.95-2.96 g/cm3
0
1400
8.2 Thermal Properties
8.2.1 Specific Heat Capacity
8.2.6 Resistance
Heat Resistant, Impact Resistant, Pressure Resistant, Wear Resistant
Heat Resistant, Impact Resistant
9 Reserves
9.1 Deposits in Eastern Continents
9.1.1 Asia
Afghanistan, Indonesia, Japan, Russia
Russia
9.1.2 Africa
Ethiopia, Kenya, Tanzania
Angola, Botswana, Cameroon, Ethiopia, South Africa
9.1.3 Europe
Greece, Hungary, Iceland, Italy, Turkey
England, Hungary, Iceland, United Kingdom
9.1.4 Others
Not Yet Found
Antarctica, Greenland
9.2 Deposits in Western Continents
9.2.1 North America
Bahamas, Barbados, Canada, Costa Rica, Cuba, Jamaica, Mexico, USA
Canada, Mexico, USA
9.2.2 South America
Argentina, Chile, Ecuador, Peru
Argentina, Colombia, Ecuador
9.3 Deposits in Oceania Continent
9.3.1 Australia
New Zealand, Western Australia
New South Wales, New Zealand, Queensland, South Australia, Western Australia