Abstract
Sm-Nd dating of minerals in several Norwegian country-rock eclogites reported here indicates that the rocks crystallized ∼425 Myr ago. The isotopic composition of both Nd and Sr in these eclogites suggests that they formed from much older crustal rocks. The high-pressure metamorphism of which the eclogites are relics probably involved subduction of the continental Baltic plate as it was overridden by the Greenland plate during the Caledonian orogeny.
| Original language | English |
|---|---|
| Pages (from-to) | 319-321 |
| Number of pages | 3 |
| Journal | Nature |
| Volume | 285 |
| Issue number | 5763 |
| DOIs | |
| Publication status | Published - 1980 |
| Externally published | Yes |
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