Rb–Sr and 40 Ar/ 39 Ar step-heating and in situ 40 Ar/ 39 Ar laserprobe dating of fabric-forming micas provide new constraints on the timing of Grampian
Apatite, monazite and titanite U–Pb and trace element data for all analysed samples (tab names refer to the four study areas), including data for the analytical standards. Rho, error correlation. All
Analytical results obtained for each irradiated and dated cryptomelane grains analysed using laser energy (in power %) of the spectrometer Argus VI.The concentrations (in molar volume, V) of 36</
