Dacite and Greywacke Definition

Definition of Dacite and Greywacke

The general Dacite and Greywacke definition can be stated as: Dacite is a volcanic igneous rock which is rintermediate in composition between andesite and rhyolite. On the other hand, Greywacke is defined as a dark coarse-grained sandstone rock which contains more than 15 per cent clay. Along with definition of Dacite and Greywacke, get to know about Properties of Dacite and Greywacke. Get to know more information about Dacite and Greywacke origin and discoverer, etymology and class.

History of Dacite and Greywacke

The history of Dacite and Greywacke 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 Greywacke Origin and Discoverer

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

Etymology of Dacite and Greywacke

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

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