Pb isotopes and model ages of fracture-fillings in granite of the PDM-1 borehole near Rejčkov, Melechov Massif

Abstract

We present Pb-isotope composition of parent granite and 25 samples of low-temperature mineral assemlages filling open fractures in a granite from southern part of the Melechov Massif of the Moldanubian Batholith, sampled over the 100 m deep borehole PDM-1.

Keywords

• fracture fillings
• model ages
• peraluminous granite
• Pb isotopes
• uranium redistribution