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Chalk and Oil shale Definition


Oil shale and Chalk Definition


Definition

Definition
Chalk is a soft, white, powdery limestone consisting mainly of fossil shells of foraminifers   
Oil Shale is a fine-grained sedimentary rock from which oil is extracted   

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 Old English scealu in its base sense of thing that divides or separate   

Class
Sedimentary Rocks   
Sedimentary Rocks   

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

Family
  
  

Group
Not Applicable   
Not Applicable   

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

Texture >>
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Definition of Chalk and Oil shale

The general Chalk and Oil shale definition can be stated as: Chalk is a soft, white, powdery limestone consisting mainly of fossil shells of foraminifers. On the other hand, Oil Shale is a fine-grained sedimentary rock from which oil is extracted. Along with definition of Chalk and Oil shale, get to know about Properties of Chalk and Oil shale. Get to know more information about Chalk and Oil shale origin and discoverer, etymology and class.

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History of Chalk and Oil shale

The history of Chalk and Oil shale gives information about where the rock was found and who was its discoverer. Almost each and every aspect of Earth's history is recorded in rocks be it the volcanoes which were erupted or the plants, animals and organisms which are now extinct, as rocks are present from millions of years.

Chalk and Oil shale Origin and Discoverer

Chalk and Oil shale definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Chalk and Oil shale. In this section, you will know about Chalk and Oil shale Origin and Discoverer. Origin of Chalk and Oil shale are Unknown. It is interesting to know the name of Chalk and Oil shale discoverer. The discoverer of Chalk and Oil shale are Unknown.

Etymology of Chalk and Oil shale

Along with Chalk and Oil shale definition, know more about the etymology of Chalk and Oil shale. Etymology of Chalk and Oil shale gives information about origin and formation of a particular rock. Know more about Formation of Chalk and Formation of Oil shale. The etymology of Chalk is From old English cealc chalk, lime, plaster; pebble, from Greek khalix small pebble, in English transferred to the opaque, white, soft limestone while that of Oil shale is From old English cealc chalk, lime, plaster; pebble, from Greek khalix small pebble, in English transferred to the opaque, white, soft limestone. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Chalk and Oil shale belong to Sedimentary Rocks. The sub-class, group and other categories of Chalk and Oil shale are listed below.

For Chalk,

For Oil shale,

Fossil Rocks

Fossil Rocks

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