Pseudotachylite Definition
Very fine grained fault rock which is composed of glassy matrix that often contains inclusions of wall-rock fragments.
From pseudo- + tachylite, a glassy rock generated by frictional heat within faults.
Fine Grained Rock, Opaque Rock
Define Pseudotachylite
Pseudotachylite is one of the important type of rocks. If we have to define Pseudotachylite in general, Very fine grained fault rock which is composed of glassy matrix that often contains inclusions of wall-rock fragments.. Pseudotachylite comes under Metamorphic Rocks. All Metamorphic Rocks have similar properties and formation process. Along with Pseudotachylite Definition, know more about the History of Pseudotachylite, Etymology of Pseudotachylite in next sections.