Taconite and Obsidian Definition

Definition of Taconite and Obsidian

The general Taconite and Obsidian definition can be stated as: Taconite is a low-grade iron ore which belongs to sedimentary rock and containing about 27% iron and 51% silica. On the other hand, Obsidian is a naturally occurring volcanic glass formed as an extrusive igneous rock. It is produced when felsic lava extruded from a volcano cools rapidly with minimum crystal growth. Along with definition of Taconite and Obsidian, get to know about Properties of Taconite and Obsidian. Get to know more information about Taconite and Obsidian origin and discoverer, etymology and class.

History of Taconite and Obsidian

The history of Taconite and Obsidian 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.

Taconite and Obsidian Origin and Discoverer

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

Etymology of Taconite and Obsidian

Along with Taconite and Obsidian definition, know more about the etymology of Taconite and Obsidian. Etymology of Taconite and Obsidian gives information about origin and formation of a particular rock. Know more about Formation of Taconite and Formation of Obsidian. The etymology of Taconite is From the name of Taconic Mountains in New England while that of Obsidian is From the name of Taconic Mountains in New England. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Taconite belongs to Sedimentary Rocks while Obsidian belongs to Igneous Rocks. The sub-class, group and other categories of Taconite and Obsidian are listed below.

For Taconite,

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

For Obsidian,

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