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Isotopic Ages of the Weardale Granite

✍ Scribed by DODSON, M. H.; MOORBATH, S.


Book ID
109615835
Publisher
Nature Publishing Group
Year
1961
Tongue
English
Weight
125 KB
Volume
190
Category
Article
ISSN
0028-0836

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Sixty-four Rb-Sr and two K-At isotopic measurements from seven ring complexes in central Nigeria provide evidence for a systematic age trend along a 200 km zone ranging from 1744-5 m.y. in the north to 154-4-4 m.y. in the south. A peak of anorogenie magmatism occurred in the Jos Plateau region about