Gneiss and Taconite Definition

Definition of Gneiss and Taconite

The general Gneiss and Taconite definition can be stated as: 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. On the other hand, Taconite is a low-grade iron ore which belongs to sedimentary rock and containing about 27% iron and 51% silica. Along with definition of Gneiss and Taconite, get to know about Properties of Gneiss and Taconite. Get to know more information about Gneiss and Taconite origin and discoverer, etymology and class.

History of Gneiss and Taconite

The history of Gneiss and Taconite 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.

Gneiss and Taconite Origin and Discoverer

Gneiss and Taconite definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Gneiss and Taconite. In this section, you will know about Gneiss and Taconite Origin and Discoverer. Origin of Gneiss is Unknown whereas Origin of Taconite is Western Australia, Minnesota. It is interesting to know the name of Gneiss and Taconite discoverer. The Discoverer of Gneiss is Unknown and the discoverer of Taconite is Newton Horace Winchell.

Etymology of Gneiss and Taconite

Along with Gneiss and Taconite definition, know more about the etymology of Gneiss and Taconite. Etymology of Gneiss and Taconite gives information about origin and formation of a particular rock. Know more about Formation of Gneiss and Formation of Taconite. The etymology of Gneiss is From the Middle High German verb gneist (to spark; so called because the rock glitters) while that of Taconite is From the Middle High German verb gneist (to spark; so called because the rock glitters). The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Gneiss belongs to Metamorphic Rocks while Taconite belongs to Sedimentary Rocks. The sub-class, group and other categories of Gneiss and Taconite are listed below.

For Gneiss,

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

For Taconite,

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