The Lower-Middle Riphean boundary in the southern Urals: New isotopic U-Pb (SHRIMP II) constraints

New isotopic U-Pb (SHRIMP II) constraints concerning the Lower-Middle Riphean boundary in the southern Urals were investigated. Data indicate that the Lower-Middle Riphean boundary in the stratotype region should be placed within the interval of 13701385 Ma.

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Bibliographic Details
Published in:Doklady earth sciences 2007-08, Vol.415 (2), p.835-840
Main Authors: Ronkin, Yu. L., Maslov, A. V., Kazak, A. P., Matukov, D. I., Lepikhina, O. P.
Format: Article
Language:English
Subjects:
Geochemistry
Isotopes
Stratigraphy
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Description
Summary:New isotopic U-Pb (SHRIMP II) constraints concerning the Lower-Middle Riphean boundary in the southern Urals were investigated. Data indicate that the Lower-Middle Riphean boundary in the stratotype region should be placed within the interval of 13701385 Ma.
ISSN:1028-334X
1531-8354
DOI:10.1134/S1028334X07060025