image gallery: rocks
geodynamics of indentor corners

 

sharp-dike

 

Dike  Pegmatite dike cross-cutting basement gneisses, De'u Gungbu section, western margin of Gyala Peri massif. Sample BT-17-03; zircons from this sample give a U-Pb age of about 24 Ma.

 

Credit: Peter Zeitler (2002)

 

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