Published June 1992
| Version v1
Journal article
Geochronology of Ayskaya Suites volcanites and isotopic age of lower boundary of Riphean
- 1. AN SSSR, Sverdlovsk (Russian Federation). Inst. Geologii i Geokhimii
Description
Age of volcanites of navyshskij complex from basae deposits of Ayskaya suite of lower riphean is evaluated in its typical profile according to the data of U-Pb and Rb-Sr methods as equal to 1615±45 mln years. Variations in the volcanite composition conditioned by crystallization differentiation and metamorphic transformations during long period of time (∼1.2 mlrd years) are determined by riftogenous nature of the complex
Additional details
Additional titles
- Original title (Russian)
- Геохронология вулканитов айской свиты и изотопный возраст нижней границы рифея
Publishing Information
- Journal Title
- Izvestiya Akademii Nauk - Rossijskaya Akademiya Nauk. Seriya Geologicheskaya
- Journal Issue
- no.6
- Journal Page Range
- p. 25-40.
- ISSN
- 0321-1703
- CODEN
- IANSE9
INIS
- Country of Publication
- Russian Federation
- Country of Input or Organization
- Russian Federation
- INIS RN
- 25027363
- Subject category
- S37: INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY;
- Descriptors DEI
- IGNEOUS ROCKS; ISOTOPE DATING; ISOTOPE RATIO; LEAD ISOTOPES; RUBIDIUM ISOTOPES; STRONTIUM ISOTOPES; URALS; URANIUM ISOTOPES
- Descriptors DEC
- AGE ESTIMATION; MOUNTAINS; ROCKS