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Crustal Evolution in the SW Part of the Baltic Shield: the Hf Isotope Evidence |
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| Authors: | ANDERSEN T; GRIFFIN W L; PEARSON N J |
| Institution: | 1LABORATORY OF ISOTOPE GEOLOGY, MINERALOGICAL–GEOLOGICAL MUSEUM, UNIVERSITY OF OSLO, SARS GATE 1, N-0562 OSLO, NORWAY 2GEMOC KEY CENTRE, DEPARTMENT OF EARTH AND PLANETARY SCIENCES, MACQUARIE UNIVERSITY, SYDNEY, N.S.W. 2109, AUSTRALIA 3CSIRO EXPLORATION AND MINING, NORTH RYDE, N.S.W. 2113, AUSTRALIA |
| Abstract: | The results of a laser ablation microprobe–inductivelycoupled plasma mass spectrometry Lu–Hf isotope study ofzircons in 0·93–1·67 Ga rocks from southNorway indicate that early Proterozoic protoliths of the BalticShield have present-day 176Hf/177Hf |
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