Dacite and Chalk Definition

Definition of Dacite and Chalk

The general Dacite and Chalk definition can be stated as: Dacite is a volcanic igneous rock which is rintermediate in composition between andesite and rhyolite. On the other hand, Chalk is a soft, white, powdery limestone consisting mainly of fossil shells of foraminifers. Along with definition of Dacite and Chalk, get to know about Properties of Dacite and Chalk. Get to know more information about Dacite and Chalk origin and discoverer, etymology and class.

History of Dacite and Chalk

The history of Dacite 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.

Dacite and Chalk Origin and Discoverer

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

Etymology of Dacite and Chalk

Along with Dacite and Chalk definition, know more about the etymology of Dacite and Chalk. Etymology of Dacite and Chalk gives information about origin and formation of a particular rock. Know more about Formation of Dacite and Formation of Chalk. The etymology of Dacite is From Dacia, a province of the Roman Empire which lay between the Danube River and Carpathian Mountains where the rock was first described while that of Chalk is From Dacia, a province of the Roman Empire which lay between the Danube River and Carpathian Mountains where the rock was first described. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Dacite belongs to Igneous Rocks while Chalk belongs to Sedimentary Rocks. The sub-class, group and other categories of Dacite and Chalk are listed below.

For Dacite,

• Sub-class: Durable Rock and Soft Rock
• Group: Volcanic
• Other Categories: Fine 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