Scoria and Phonolite Definition

Definition of Scoria and Phonolite

The general Scoria and Phonolite definition can be stated as: Scoria is a dark-colored extrusive igneous rock with abundant round bubble-like cavities. On the other hand, Phonolite is an uncommon extrusive igneous rock volcanic rock of intermediate chemical composition between felsic and mafic. Along with definition of Scoria and Phonolite, get to know about Properties of Scoria and Phonolite. Get to know more information about Scoria and Phonolite origin and discoverer, etymology and class.

History of Scoria and Phonolite

The history of Scoria and Phonolite 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.

Scoria and Phonolite Origin and Discoverer

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

Etymology of Scoria and Phonolite

Along with Scoria and Phonolite definition, know more about the etymology of Scoria and Phonolite. Etymology of Scoria and Phonolite gives information about origin and formation of a particular rock. Know more about Formation of Scoria and Formation of Phonolite. The etymology of Scoria is From late Middle English (denoting slag from molten metal), from Greek skōria refuse, from skōr dung while that of Phonolite is From late Middle English (denoting slag from molten metal), from Greek skōria refuse, from skōr dung. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Scoria and Phonolite belong to Igneous Rocks. The sub-class, group and other categories of Scoria and Phonolite are listed below.

For Scoria,

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

For Phonolite,

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