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Mantle deformation beneath the South African and Siberian platforms

✍ Scribed by Borley, G. D.


Book ID
109694998
Publisher
Nature Publishing Group
Year
1975
Tongue
English
Weight
343 KB
Volume
254
Category
Article
ISSN
0028-0836

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One hundred twenty-two samples of Jurassic and Paleogene brown coals and 1254 peat samples from the south-eastern region of the Western-Siberian platform were analyzed for gold by the neutron-activation method. Mean content of Au in Jurassic coals is 30 Β± 8 ppb, in Paleogene coals is 10.6 Β± 4.8 ppb,