Phyllite and Picrite Definition

Definition of Phyllite and Picrite

The general Phyllite and Picrite 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, Picrite is a variety of high-magnesium olivine basalt that is very rich in the mineral olivine. Along with definition of Phyllite and Picrite, get to know about Properties of Phyllite and Picrite. Get to know more information about Phyllite and Picrite origin and discoverer, etymology and class.

History of Phyllite and Picrite

The history of Phyllite and Picrite 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 Picrite Origin and Discoverer

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

Etymology of Phyllite and Picrite

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

For Phyllite,

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

For Picrite,

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