"PSTACH"@en . "Pseudotachylite"@en . "Pseudotachylite"@en . "Pseudotachylite - A particular variety of cataclasite in which fragments occur in a glassy groundmass produced by frictional melting. It may be injected as veinlets into adjoining cataclasite. British Geological Survey Research Report RR/99/02, section 7.4."@en . "stable"@en . . . .