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Pseudotachylite
Pseudotachylite

Pumice
Pumice



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Pseudotachylite
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Pumice

Pseudotachylite and Pumice Definition

1 Definition
1.1 Definition
Very fine grained fault rock which is composed of glassy matrix that often contains inclusions of wall-rock fragments.
Pumice is a volcanic rock that consists of highly vesicular rough textured volcanic glass, which may or may not contain crystals
1.2 History
1.2.1 Origin
USA
Spain
1.2.2 Discoverer
Unknown
Unknown
1.3 Etymology
From pseudo- +‎ tachylite, a glassy rock generated by frictional heat within faults.
From Old French pomis, from a Latin dialect variant of pumex
1.4 Class
Metamorphic Rocks
Igneous Rocks
1.4.1 Sub-Class
Durable Rock, Hard Rock
Durable Rock, Medium Hardness Rock
1.5 Family
1.5.1 Group
Not Applicable
Volcanic
1.6 Other Categories
Fine Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock

Definition of Pseudotachylite and Pumice

The general Pseudotachylite and Pumice definition can be stated as: Very fine grained fault rock which is composed of glassy matrix that often contains inclusions of wall-rock fragments.. On the other hand, Pumice is a volcanic rock that consists of highly vesicular rough textured volcanic glass, which may or may not contain crystals. Along with definition of Pseudotachylite and Pumice, get to know about Properties of Pseudotachylite and Pumice. Get to know more information about Pseudotachylite and Pumice origin and discoverer, etymology and class.

History of Pseudotachylite and Pumice

The history of Pseudotachylite and Pumice 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.

Pseudotachylite and Pumice Origin and Discoverer

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

Etymology of Pseudotachylite and Pumice

Along with Pseudotachylite and Pumice definition, know more about the etymology of Pseudotachylite and Pumice. Etymology of Pseudotachylite and Pumice gives information about origin and formation of a particular rock. Know more about Formation of Pseudotachylite and Formation of Pumice. The etymology of Pseudotachylite is From pseudo- +‎ tachylite, a glassy rock generated by frictional heat within faults. while that of Pumice is From pseudo- +‎ tachylite, a glassy rock generated by frictional heat within faults.. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Pseudotachylite belongs to Metamorphic Rocks while Pumice belongs to Igneous Rocks. The sub-class, group and other categories of Pseudotachylite and Pumice are listed below.

For Pseudotachylite,

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

For Pumice,

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