Phyllite and Dacite Definition

Definition of Phyllite and Dacite

The general Phyllite and Dacite definition can be stated as: Phyllite is a fine-grained metamorphic rock with a well-developed laminar structure, and is intermediate between slate and schist rocks. On the other hand, Dacite is a volcanic igneous rock which is rintermediate in composition between andesite and rhyolite. Along with definition of Phyllite and Dacite, get to know about Properties of Phyllite and Dacite. Get to know more information about Phyllite and Dacite origin and discoverer, etymology and class.

History of Phyllite and Dacite

The history of Phyllite 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.

Phyllite and Dacite Origin and Discoverer

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

Etymology of Phyllite and Dacite

Along with Phyllite and Dacite definition, know more about the etymology of Phyllite and Dacite. Etymology of Phyllite and Dacite gives information about origin and formation of a particular rock. Know more about Formation of Phyllite and Formation of Dacite. The etymology of Phyllite is From Greek phullon leaf + -ite1 while that of Dacite is From Greek phullon leaf + -ite1. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Phyllite belongs to Metamorphic Rocks while Dacite belongs to Igneous Rocks. The sub-class, group and other categories of Phyllite and Dacite are listed below.

For Phyllite,

• Sub-class: Durable Rock and Soft Rock
• Group: Not applicable
• Other Categories: Coarse grained rock, Fine grained rock, Medium grained rock and Opaque rock

For Dacite,

• Sub-class: Durable Rock and Soft Rock
• Group: Volcanic
• Other Categories: Fine grained rock, Medium grained rock and Opaque rock