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Rapakivi Granite
Rapakivi Granite

Taconite
Taconite



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Rapakivi Granite
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Taconite

Rapakivi Granite and Taconite Definition

1 Definition
1.1 Definition
Rapakivi Granite is a hornblende-biotite Granite containing large rounded crystals of orthoclase which are mantled with oligoclase
Taconite is a low-grade iron ore which belongs to sedimentary rock and containing about 27% iron and 51% silica
1.2 History
1.2.1 Origin
Finland, Europe
Western Australia, Minnesota
1.2.2 Discoverer
Jakob Sederholm
Newton Horace Winchell
1.3 Etymology
From Finnish Rapakivi which stands for crumbly rock
From the name of Taconic Mountains in New England
1.4 Class
Igneous Rocks
Sedimentary Rocks
1.4.1 Sub-Class
Durable Rock, Hard Rock
Durable Rock, Medium Hardness Rock
1.5 Family
1.5.1 Group
Plutonic
Not Applicable
1.6 Other Categories
Coarse Grained Rock, Opaque Rock
Coarse Grained Rock, Opaque Rock

Definition of Rapakivi Granite and Taconite

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

History of Rapakivi Granite and Taconite

The history of Rapakivi Granite 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.

Rapakivi Granite and Taconite Origin and Discoverer

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

Etymology of Rapakivi Granite and Taconite

Along with Rapakivi Granite and Taconite definition, know more about the etymology of Rapakivi Granite and Taconite. Etymology of Rapakivi Granite and Taconite gives information about origin and formation of a particular rock. Know more about Formation of Rapakivi Granite and Formation of Taconite. The etymology of Rapakivi Granite is From Finnish Rapakivi which stands for crumbly rock while that of Taconite is From Finnish Rapakivi which stands for crumbly rock. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Rapakivi Granite belongs to Igneous Rocks while Taconite belongs to Sedimentary Rocks. The sub-class, group and other categories of Rapakivi Granite and Taconite are listed below.

For Rapakivi Granite,

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