Taconite and Rapakivi Granite Definition

Definition of Taconite and Rapakivi Granite

The general Taconite and Rapakivi Granite 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, Rapakivi Granite is a hornblende-biotite Granite containing large rounded crystals of orthoclase which are mantled with oligoclase. Along with definition of Taconite and Rapakivi Granite, get to know about Properties of Taconite and Rapakivi Granite. Get to know more information about Taconite and Rapakivi Granite origin and discoverer, etymology and class.

History of Taconite and Rapakivi Granite

The history of Taconite and Rapakivi Granite 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 Rapakivi Granite Origin and Discoverer

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

Etymology of Taconite and Rapakivi Granite

Along with Taconite and Rapakivi Granite definition, know more about the etymology of Taconite and Rapakivi Granite. Etymology of Taconite and Rapakivi Granite gives information about origin and formation of a particular rock. Know more about Formation of Taconite and Formation of Rapakivi Granite. The etymology of Taconite is From the name of Taconic Mountains in New England while that of Rapakivi Granite 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 Rapakivi Granite belongs to Igneous Rocks. The sub-class, group and other categories of Taconite and Rapakivi Granite 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 Rapakivi Granite,

• Sub-class: Durable Rock and Hard Rock
• Group: Plutonic
• Other Categories: Coarse grained rock and Opaque rock