Siltstone and Gneiss Definition

Definition of Siltstone and Gneiss

The general Siltstone and Gneiss definition can be stated as: Siltstone can be defined as a fine-grained sedimentary rock which mainly consists of consolidated silt. On the other hand, Gneiss is a common and widely distributed type of rock formed by high-grade regional metamorphic processes from pre-existing formations that were originally either igneous or sedimentary rocks. Along with definition of Siltstone and Gneiss, get to know about Properties of Siltstone and Gneiss. Get to know more information about Siltstone and Gneiss origin and discoverer, etymology and class.

History of Siltstone and Gneiss

The history of Siltstone and Gneiss 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.

Siltstone and Gneiss Origin and Discoverer

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

Etymology of Siltstone and Gneiss

Along with Siltstone and Gneiss definition, know more about the etymology of Siltstone and Gneiss. Etymology of Siltstone and Gneiss gives information about origin and formation of a particular rock. Know more about Formation of Siltstone and Formation of Gneiss. The etymology of Siltstone is From English word silt and stone and from Proto-Indo-European root sal and stainaz while that of Gneiss is From English word silt and stone and from Proto-Indo-European root sal and stainaz. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Siltstone belongs to Sedimentary Rocks while Gneiss belongs to Metamorphic Rocks. The sub-class, group and other categories of Siltstone and Gneiss are listed below.

For Siltstone,

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

For Gneiss,

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