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Chalk and Dacite Definition


Dacite and Chalk Definition


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Definition of Chalk and Dacite

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

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History of Chalk and Dacite

The history of Chalk and Dacite 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 Dacite Origin and Discoverer

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

Etymology of Chalk and Dacite

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

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Fossil Rocks

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