Picrite and Slate Definition

Definition of Picrite and Slate

The general Picrite and Slate definition can be stated as: Picrite is a variety of high-magnesium olivine basalt that is very rich in the mineral olivine. On the other hand, Slate is a fine-grained, foliated, homogeneous metamorphic rock derived from an original shale-type sedimentary rock composed of clay or volcanic ash through low-grade regional metamorphism. Along with definition of Picrite and Slate, get to know about Properties of Picrite and Slate. Get to know more information about Picrite and Slate origin and discoverer, etymology and class.

History of Picrite and Slate

The history of Picrite and Slate 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.

Picrite and Slate Origin and Discoverer

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

Etymology of Picrite and Slate

Along with Picrite and Slate definition, know more about the etymology of Picrite and Slate. Etymology of Picrite and Slate gives information about origin and formation of a particular rock. Know more about Formation of Picrite and Formation of Slate. The etymology of Picrite is From Greek pikros bitter + -ite, 19th century while that of Slate is From Greek pikros bitter + -ite, 19th century. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Picrite belongs to Igneous Rocks while Slate belongs to Metamorphic Rocks. The sub-class, group and other categories of Picrite and Slate are listed below.

For Picrite,

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

For Slate,

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