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Shear sense indicator > Delta-clast
PREFERRED TERM
Delta-clast  
DEFINITION
  • A mantled porphyroclast (i.e. a porphyroclast with a mantle of fine recrystallised grains of the same composition as the clast, elongated in the direction of the foliation) with an asymmetric form resembling the Greek letter delta (modified from Passchier & Trouw, 1996).
BROADER CONCEPT
RELATED CONCEPTS
CONTRIBUTOR
  • ebnmar
CREATOR
  • ebnmar
IN OTHER LANGUAGES
Delta-Klast

German

URI
http://resource.geolba.ac.at/structure/42
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