𝔖 Bobbio Scriptorium
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Early Neoproterozoic events in East Greenland

✍ Scribed by G.R. Watt; K. Thrane

Book ID
117461697
Publisher
Elsevier Science
Year
2001
Tongue
English
Weight
418 KB
Volume
110
Category
Article
ISSN
0301-9268

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✍ A. K. Higgins; J. D. Friderichsen; D. C. Rex; A. R. Gledhill πŸ“‚ Article πŸ“… 1978 πŸ› Springer 🌐 English βš– 719 KB

Rb-Sr whole rock isochron ages of 1950 m.y. and 1725 m.y. obtained on rock units of the Hagar migmatite sheet indicate that it is an early Proterozoic gneiss complex and not part of a mobile Caledonian infrastructure. New isotopic ages and recent fieldwork give no support to the concept of mobile Ca