×

Pseudotachylite
Pseudotachylite

Picrite
Picrite



ADD
Compare
X
Pseudotachylite
X
Picrite

Pseudotachylite and Picrite 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.
Picrite is a variety of high-magnesium olivine basalt that is very rich in the mineral olivine
1.2 History
1.2.1 Origin
USA
Hawaii Islands
1.2.2 Discoverer
Unknown
Unknown
1.3 Etymology
From pseudo- +‎ tachylite, a glassy rock generated by frictional heat within faults.
From Greek pikros bitter + -ite, 19th century
1.4 Class
Metamorphic Rocks
Igneous Rocks
1.4.1 Sub-Class
Durable Rock, Hard Rock
Durable Rock, Hard 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 Picrite

The general Pseudotachylite and Picrite 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, Picrite is a variety of high-magnesium olivine basalt that is very rich in the mineral olivine. Along with definition of Pseudotachylite and Picrite, get to know about Properties of Pseudotachylite and Picrite. Get to know more information about Pseudotachylite and Picrite origin and discoverer, etymology and class.

History of Pseudotachylite and Picrite

The history of Pseudotachylite and Picrite 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 Picrite Origin and Discoverer

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

Etymology of Pseudotachylite and Picrite

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

For Pseudotachylite,

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

For Picrite,

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