pseudotachylite


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pseudotachylite

[¦sü·dō′tak·ə‚līt]
(petrology)
A black rock that resembles tachylite; carries fragmental enclosures and shows evidence of having been at high temperature.
References in periodicals archive ?
In this locality in particular but also elsewhere there are pseudotachylite veins up to 2 cm thick and over a meter long.
2001: Pseudotachylite on impact marks of block surfaces in blockand-ash flows at Merapi volcano, Central Java, Indonesia.
The case for flash heating is buttressed by the discovery of rocks that seem to have undergone frictional melting, generically called frictionites, or pseudotachylites, along faults and associated with some rock slides, Singer says.