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Chalk and Adamellite Definition


Adamellite and Chalk Definition


Definition

Definition
Chalk is a soft, white, powdery limestone consisting mainly of fossil shells of foraminifers   
Adamellite is a coarse-grained porphyritic igneous rock, a variety of Monzogranite and dominated by phenocrysts of orthoclase in a granular groundmass of perthite, plagioclase and quartz   

History
  
  

Origin
Unknown   
Italy   

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 German adamellit and from Monte Adamello, a mountain in Italy, its locality   

Class
Sedimentary Rocks   
Igneous Rocks   

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

Family
  
  

Group
Not Applicable   
Plutonic   

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

Texture >>
<< Summary

Definition of Chalk and Adamellite

The general Chalk and Adamellite definition can be stated as: Chalk is a soft, white, powdery limestone consisting mainly of fossil shells of foraminifers. On the other hand, Adamellite is a coarse-grained porphyritic igneous rock, a variety of Monzogranite and dominated by phenocrysts of orthoclase in a granular groundmass of perthite, plagioclase and quartz. Along with definition of Chalk and Adamellite, get to know about Properties of Chalk and Adamellite. Get to know more information about Chalk and Adamellite origin and discoverer, etymology and class.

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History of Chalk and Adamellite

The history of Chalk and Adamellite 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 Adamellite Origin and Discoverer

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

Etymology of Chalk and Adamellite

Along with Chalk and Adamellite definition, know more about the etymology of Chalk and Adamellite. Etymology of Chalk and Adamellite gives information about origin and formation of a particular rock. Know more about Formation of Chalk and Formation of Adamellite. 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 Adamellite 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 belongs to Sedimentary Rocks while Adamellite belongs to Igneous Rocks. The sub-class, group and other categories of Chalk and Adamellite are listed below.

For Chalk,

For Adamellite,

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