Home

Igneous Rocks + -

Fossil Rocks + -

Metamorphic Rocks + -

Durable Rocks + -

Medium Grained Rocks + -

Compare Rocks


Andesite and Chalk


Chalk and Andesite


Definition

Definition
Andesite is a dark, fine-grained, brown or greyish intermediate volcanic rock which is a commonly found in lava   
Chalk is a soft, white, powdery limestone consisting mainly of fossil shells of foraminifers   

History
  
  

Origin
North America   
Unknown   

Discoverer
Unknown   
Unknown   

Etymology
From Andes mountains, where it is found in abundance   
From old English cealc chalk, lime, plaster; pebble, from Greek khalix small pebble, in English transferred to the opaque, white, soft limestone   

Class
Igneous Rocks   
Sedimentary Rocks   

Sub-Class
Durable Rock, Hard Rock   
Durable Rock, Soft Rock   

Family
  
  

Group
Volcanic   
Not Applicable   

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

Texture

Texture
Aphanitic to Porphyritic   
Clastic or Non-Clastic   

Color
Bluish - Grey, Grey, Pink, Yellow   
Grey, White, Yellow   

Maintenance
More   
Less   

Durability
Durable   
Durable   

Water Resistant
No   
No   

Scratch Resistant
Yes   
No   

Stain Resistant
Yes   
No   

Wind Resistant
No   
No   

Acid Resistant
Yes   
No   

Appearance
Dull and Soft   
Soft   

Uses

Architecture
  
  

Interior Uses
Decorative Aggregates, Floor Tiles, Homes, Interior Decoration, Kitchens   
Decorative Aggregates, Homes, Interior Decoration   

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

Other Architectural Uses
Curbing   
Powder   

Industry
  
  

Construction Industry
Cobblestones, Construction Aggregate, for Road Aggregate   
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   

Medical Industry
Not Yet Used   
Not Yet Used   

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

Other Uses
  
  

Commercial Uses
Commemorative Tablets, Creating Artwork   
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   

Types

Types
Icelandite   
Not Available   

Features
Generally rough to touch, High silica content, Is one of the oldest rock   
Clasts are smooth to touch, Is one of the oldest rock, Smooth to touch, Very fine grained rock   

Archaeological Significance
  
  

Monuments
Used   
Used   

Famous Monuments
Middle of the Earth in Ecuador   
Data Not Available   

Sculpture
Used   
Used   

Famous Sculptures
Data Not Available   
Data Not Available   

Pictographs
Not Used   
Used   

Petroglyphs
Not Used   
Used   

Figurines
Used   
Used   

Fossils
Absent   
Present   

Formation

Formation
Andesite is a fine-grained igneous rock that forms when the magma is erupted onto the surface and is crystallized quickly.   
Chalk is formed from lime mud, which accumulates on the sea floor which is then transformed into rock by geological processes.   

Composition
  
  

Mineral Content
Amphibole, Apatite, Biotite, Feldspar, Garnet, Hornblade, Ilmenite, Magnetite, Plagioclase, Pyroxene, Zircon   
Calcite, Clay, Clay Minerals, Quartz, Sand   

Compound Content
Silicon Dioxide   
Ca, NaCl, CaO   

Transformation
  
  

Metamorphism
Yes   
No   

Types of Metamorphism
Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism, Hydrothermal Metamorphism, Impact Metamorphism, Regional Metamorphism   
Not Applicable   

Weathering
Yes   
Yes   

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

Erosion
Yes   
Yes   

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

Properties

Physical Properties
  
  

Hardness
7   
1   

Grain Size
Very fine-grained   
Very fine-grained   

Fracture
Uneven   
Not Available   

Streak
White   
White   

Porosity
Less Porous   
Highly Porous   

Luster
Vitreous   
Dull   

Compressive Strength
225.00 N/mm2   
7
Not Available   

Cleavage
Not Available   
Non-Existent   

Toughness
1.1   
1   

Specific Gravity
2.5-2.8   
2.3-2.4   

Transparency
Opaque   
Opaque   

Density
2.11-2.36 g/cm3   
2.49-2.50 g/cm3   

Thermal Properties
  
  

Specific Heat Capacity
2.39 kJ/Kg K   
2
0.90 kJ/Kg K   
12

Resistance
Heat Resistant, Pressure Resistant, Wear Resistant   
Heat Resistant   

Reserves

Deposits in Eastern Continents
  
  

Asia
India, Indonesia, Japan, Nepal, South Korea   
Brunei, India, Indonesia, Malaysia, Singapore, Thailand, Vietnam   

Africa
Egypt, Ethiopia, Morocco, Namibia, South Africa, Tanzania   
Cameroon, Chad, Ghana, Kenya, Malawi, Sudan, Tanzania, Togo, Zambia, Zimbabwe   

Europe
Austria, Finland, Germany, Italy, Romania, Turkey, United Kingdom   
England, France, Germany, Spain, United Kingdom   

Others
Not Yet Found   
Not Yet Found   

Deposits in Western Continents
  
  

North America
Mexico, USA   
Canada, USA   

South America
Argentina, Bolivia, Chile, Colombia, Ecuador, Peru, Venezuela   
Colombia   

Deposits in Oceania Continent
  
  

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

Summary >>
<< Reserves

All about Andesite and Chalk Properties

Know all about Andesite and Chalk properties here. All properties of rocks are important as they define the type of rock and its application. Andesite belongs to Igneous Rocks while Chalk belongs to Sedimentary Rocks.Texture of Andesite is Aphanitic to Porphyritic whereas that of Chalk is Clastic or Non-Clastic. Andesite appears Dull and Soft and Chalk appears Soft. The luster of Andesite is vitreous while that of Chalk is dull. Andesite is available in bluish - grey, grey, pink, yellow colors whereas Chalk is available in grey, white, yellow colors. The commercial uses of Andesite are commemorative tablets, creating artwork and that of Chalk are 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.

Compare Igneous Rocks

Igneous Rocks

Igneous Rocks

» More Igneous Rocks

Compare Igneous Rocks

» More Compare Igneous Rocks