𝔖 Bobbio Scriptorium
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Palaeomagnetism of the Mesoproterozoic Grønnedal-Íka alkaline complex, Southwest Greenland

✍ Scribed by Piper, J.D.A.


Book ID
122711103
Publisher
Elsevier Science
Year
1994
Tongue
English
Weight
755 KB
Volume
69
Category
Article
ISSN
0301-9268

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Chemistry of peralkaline phonolite dykes
✍ R. C. O. Gill 📂 Article 📅 1972 🏛 Springer 🌐 English ⚖ 894 KB

The chemical variation observed in a suite of fifteen, aphyrie peralkaline phonolite dykes of mid-Gardar age from the vicinity of the Gronnedal-Ika alkaline complex in southwest Greenland is discussed. From relationships in the system 5Ta20-K~O-A120a-SiO 2 it is argued that the members of the series