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Title ABSOLUTE AGE OF "MONASTIC" GRANITES OF KALBA
Creator/Author Atrashenok, L.Ya. ; Avdseiko, G.V. ; Krylov, A.Ya. ; Silin, Yu.I.
Publication Date1960 Jan 01
OSTI IdentifierOSTI ID: 4166208
Other Number(s)CODEN: GEOKA; 0016-7525
Resource TypeJournal Article
Resource RelationGeokhimiya (U.S.S.R.) For English translation 1956-63 see Geochemistry (USSR); Vol: No. 3
Research OrgKhlopin Radium Inst., Leningrad
SubjectGEOLOGY, MINERALOGY, AND METEOROLOGY; AGE ESTIMATION;ARGON ISOTOPES;DISTRIBUTION;GRANITES;HELIUM ISOTOPES;LEAD ISOTOPES
Description/Abstract The "absolute" age of monastic granites in the Kalba Ridge of Anna-Ata was estimated by averaging the lead and helium age of accessory monacites and the angon age of granite. The most probable age is estimated to be 300 to 320 million years. The data are in good agreement with data on most Hertian granites of Kazaknstan, Altai. and Tyan-Shan which belong to lower Revonian age. (R.V.J.)
LanguageRussian
FormatPages: 278-9
System Entry Date2001 Jun 03

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