Diorite and Chalk Definition
Definition
Diorite is a grey to dark-grey intermediate intrusive igneous rock composed principally of plagioclase feldspar,biotite, hornblende, and pyroxene
  
Chalk is a soft, white, powdery limestone consisting mainly of fossil shells of foraminifers
  
History
  
  
Discoverer
Unknown
  
Unknown
  
Etymology
From early 19th century coined in French, formed irregularly from Greek diorizein distinguish
  
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
Plutonic
  
Not Applicable
  
Other Categories
Coarse Grained Rock, Medium Grained Rock, Opaque Rock
  
Fine Grained Rock, Opaque Rock
  
Definition of Diorite and Chalk
The general Diorite and Chalk definition can be stated as: Diorite is a grey to dark-grey intermediate intrusive igneous rock composed principally of plagioclase feldspar,biotite, hornblende, and pyroxene. On the other hand, Chalk is a soft, white, powdery limestone consisting mainly of fossil shells of foraminifers. Along with definition of Diorite and Chalk, get to know about Properties of Diorite and Chalk. Get to know more information about Diorite and Chalk origin and discoverer, etymology and class.
History of Diorite and Chalk
The history of Diorite and Chalk 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.
Diorite and Chalk Origin and Discoverer
Diorite and Chalk definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Diorite and Chalk. In this section, you will know about Diorite and Chalk Origin and Discoverer. Origin of Diorite and Chalk are Unknown. It is interesting to know the name of Diorite and Chalk discoverer. The discoverer of Diorite and Chalk are Unknown.
Etymology of Diorite and Chalk
Along with Diorite and Chalk definition, know more about the etymology of Diorite and Chalk. Etymology of Diorite and Chalk gives information about origin and formation of a particular rock. Know more about Formation of Diorite and Formation of Chalk. The etymology of Diorite is From early 19th century coined in French, formed irregularly from Greek diorizein distinguish while that of Chalk is From early 19th century coined in French, formed irregularly from Greek diorizein distinguish. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Diorite belongs to Igneous Rocks while Chalk belongs to Sedimentary Rocks. The sub-class, group and other categories of Diorite and Chalk are listed below.
For Diorite,
- Sub-class: Durable Rock and Hard Rock
- Group: Plutonic
- Other Categories: Coarse grained rock, Medium grained rock and Opaque rock
For Chalk,
- Sub-class: Durable Rock and Soft Rock
- Group: Not applicable
- Other Categories: Fine grained rock and Opaque rock