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Н.И. Кондрашова.
Источники и возможные причины палеопротерозойского магматизма на Карельском кратоне (Балтийский щит)
// Труды КарНЦ РАН. No 11. Сер. Геология Докембрия. 2018. C. 57-81
N.I. Kondrashova. Sources and possible causes of Paleoproterozoic magmatism in the southern part of the Karelian Craton (Baltic Shield) // Transactions of Karelian Research Centre of Russian Academy of Science. No 11. Precambrian Geology Series. 2018. Pp. 57-81
Keywords: intraplate magmatism; plume; Paleoproterozoic; lithosphere, asthenosphere
There is an opinion that Paleoproterozoic magmatism in the Karelian craton of the Baltic Shield is linked solely with the influence of mantle plumes. On the basis of petrogeochemical
data on magmatic formations from local geological sections in the southern part of the Karelian Craton, the author infers a similar mantle source for magmatic rocks of all Paleoproterozoic age levels, from Sumian to Ludikovian. The melting that occurred in the lithospheric mantle rules out the plume source for the considered Paleoproterozoic magmatic formations.
data on magmatic formations from local geological sections in the southern part of the Karelian Craton, the author infers a similar mantle source for magmatic rocks of all Paleoproterozoic age levels, from Sumian to Ludikovian. The melting that occurred in the lithospheric mantle rules out the plume source for the considered Paleoproterozoic magmatic formations.
DOI: 10.17076/geo735
Indexed at RSCI
Last modified: December 3, 2018