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Chalk

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Chalk and Diorite Definition

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1 Definition
1.1 Definition
Chalk is a soft, white, powdery limestone consisting mainly of fossil shells of foraminifers
Diorite is a grey to dark-grey intermediate intrusive igneous rock composed principally of plagioclase feldspar,biotite, hornblende, and pyroxene
1.2 History
1.2.1 Origin
Unknown
Unknown
1.2.2 Discoverer
Unknown
Unknown
1.3 Etymology
From old English cealc chalk, lime, plaster; pebble, from Greek khalix small pebble, in English transferred to the opaque, white, soft limestone
From early 19th century coined in French, formed irregularly from Greek diorizein distinguish
1.4 Class
Sedimentary Rocks
Igneous Rocks
1.4.1 Sub-Class
Durable Rock, Soft Rock
Durable Rock, Hard Rock
1.5 Family
1.5.1 Group
Not Applicable
Plutonic
1.6 Other Categories
Fine Grained Rock, Opaque Rock
Coarse Grained Rock, Medium Grained Rock, Opaque Rock

Definition of Chalk and Diorite

The general Chalk and Diorite definition can be stated as: Chalk is a soft, white, powdery limestone consisting mainly of fossil shells of foraminifers. On the other hand, Diorite is a grey to dark-grey intermediate intrusive igneous rock composed principally of plagioclase feldspar,biotite, hornblende, and pyroxene. Along with definition of Chalk and Diorite, get to know about Properties of Chalk and Diorite. Get to know more information about Chalk and Diorite origin and discoverer, etymology and class.

History of Chalk and Diorite

The history of Chalk and Diorite 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 Diorite Origin and Discoverer

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

Etymology of Chalk and Diorite

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

For Chalk,

  • Sub-class: Durable Rock and Soft Rock
  • Group: Not applicable
  • Other Categories: Fine grained rock and Opaque rock

For Diorite,

  • Sub-class: Durable Rock and Hard Rock
  • Group: Plutonic
  • Other Categories: Coarse grained rock, Medium grained rock and Opaque rock