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Andesite
Andesite

Lignite
Lignite



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Andesite and Lignite Definition

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1 Definition
1.1 Definition
Andesite is a dark, fine-grained, brown or greyish intermediate volcanic rock which is a commonly found in lava
Lignite is a soft brownish coal which shows traces of plants and is intermediate between bituminous coal and peat
1.2 History
1.2.1 Origin
North America
France
1.2.2 Discoverer
Unknown
Unknown
1.3 Etymology
From Andes mountains, where it is found in abundance
From French, Latin lignum wood + -ite1
1.1 Class
Igneous Rocks
Sedimentary Rocks
1.2.2 Sub-Class
Durable Rock, Hard Rock
Durable Rock, Soft Rock
1.3 Family
1.3.2 Group
Volcanic
Not Applicable
1.4 Other Categories
Fine Grained Rock, Opaque Rock
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock

Definition of Andesite and Lignite

The general Andesite and Lignite definition can be stated as: Andesite is a dark, fine-grained, brown or greyish intermediate volcanic rock which is a commonly found in lava. On the other hand, Lignite is a soft brownish coal which shows traces of plants and is intermediate between bituminous coal and peat. Along with definition of Andesite and Lignite, get to know about Properties of Andesite and Lignite. Get to know more information about Andesite and Lignite origin and discoverer, etymology and class.

History of Andesite and Lignite

The history of Andesite and Lignite 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.

Andesite and Lignite Origin and Discoverer

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

Etymology of Andesite and Lignite

Along with Andesite and Lignite definition, know more about the etymology of Andesite and Lignite. Etymology of Andesite and Lignite gives information about origin and formation of a particular rock. Know more about Formation of Andesite and Formation of Lignite. The etymology of Andesite is From Andes mountains, where it is found in abundance while that of Lignite is From Andes mountains, where it is found in abundance. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Andesite belongs to Igneous Rocks while Lignite belongs to Sedimentary Rocks. The sub-class, group and other categories of Andesite and Lignite are listed below.

For Andesite,

  • Sub-class: Durable Rock and Hard Rock
  • Group: Volcanic
  • Other Categories: Fine grained rock and Opaque rock

For Lignite,

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