Chalk and Shale Definition
Definition
Chalk is a soft, white, powdery limestone consisting mainly of fossil shells of foraminifers
Shale is a fine-grained sedimentary rock which is formed by the compaction of silt and clay-size mineral particles
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 Schalstein laminated limestone, and Schalgebirge layer of stone in stratified rock. 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, Medium Hardness Rock
Group
Not Applicable
Not Applicable
Other Categories
Fine Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock
Definition of Chalk and Shale
The general Chalk and Shale definition can be stated as: Chalk is a soft, white, powdery limestone consisting mainly of fossil shells of foraminifers. On the other hand, Shale is a fine-grained sedimentary rock which is formed by the compaction of silt and clay-size mineral particles. Along with definition of Chalk and Shale, get to know about Properties of Chalk and Shale. Get to know more information about Chalk and Shale origin and discoverer, etymology and class.
History of Chalk and Shale
The history of Chalk and 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 Shale Origin and Discoverer
Chalk and 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 Shale. In this section, you will know about Chalk and Shale Origin and Discoverer. Origin of Chalk and Shale are Unknown. It is interesting to know the name of Chalk and Shale discoverer. The discoverer of Chalk and Shale are Unknown.
Etymology of Chalk and Shale
Along with Chalk and Shale definition, know more about the etymology of Chalk and Shale. Etymology of Chalk and Shale gives information about origin and formation of a particular rock. Know more about Formation of Chalk and Formation of 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 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 Shale belong to Sedimentary Rocks. The sub-class, group and other categories of Chalk and Shale are listed below.
For Chalk,
- Sub-class: Durable Rock and Soft Rock
- Group: Not applicable
- Other Categories: Fine grained rock and Opaque rock
For Shale,
- Sub-class: Durable Rock and Medium Hardness Rock
- Group: Not applicable
- Other Categories: Fine grained rock and Opaque rock
