Phyllite and Adakite Definition

Definition of Phyllite and Adakite

The general Phyllite and Adakite 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, Adakite is an intermediate to felsic volcanic rock that has geochemical characteristics of magma which is said to be formed by partial melting of altered basalt that is subducted below volcanic arcs. Along with definition of Phyllite and Adakite, get to know about Properties of Phyllite and Adakite. Get to know more information about Phyllite and Adakite origin and discoverer, etymology and class.

History of Phyllite and Adakite

The history of Phyllite and Adakite 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 Adakite Origin and Discoverer

Phyllite and Adakite definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Phyllite and Adakite. In this section, you will know about Phyllite and Adakite Origin and Discoverer. Origin of Phyllite is Unknown whereas Origin of Adakite is Adak, Aleutian Islands. It is interesting to know the name of Phyllite and Adakite discoverer. The Discoverer of Phyllite is Unknown and the discoverer of Adakite is Defant and Drummond.

Etymology of Phyllite and Adakite

Along with Phyllite and Adakite definition, know more about the etymology of Phyllite and Adakite. Etymology of Phyllite and Adakite gives information about origin and formation of a particular rock. Know more about Formation of Phyllite and Formation of Adakite. The etymology of Phyllite is From Greek phullon leaf + -ite1 while that of Adakite 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 Adakite belongs to Igneous Rocks. The sub-class, group and other categories of Phyllite and Adakite 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 Adakite,

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