Abstract
Whole-rock analyses, including REE, are given for 19 samples from four of the six overlapping nepheline-syenite intrusions which constitute the Proterozoic (approx 1310 m.y.) Motzfeldt centre. Incorporation of earlier feldspar-rich cumulates, in addition to extensive crystal fractionation, could have played an important role in the overall petrogenesis of the syenites.-J.A.Z.
| Original language | English |
|---|---|
| Pages (from-to) | 1087-1100 |
| Number of pages | 14 |
| Journal | American Mineralogist |
| Volume | 70 |
| Issue number | 11-12 |
| Publication status | Published - 1985 |
Programme Area
- Programme Area 4: Mineral Resources
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