186 / 352
170
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Fig. 54.
CL images (cathodoluminescence) of representative zircons from the studied sample. Laser ablation pits for U–Pb
analyses (red line circles) have 23 and 33
μ
m diameters. Laser ablation pits for Lu–Hf analyses (green line circles) have 26
and 40
μ
m diameters. White numbers are the reference number of the analysis, red numbers are the U–Pb age and its 2
σ
error (Ma) and the green numbers are the
H
Hf values for the U–Pb age.
7.4. ORTHOGNEISSES