Main stages of tectonomagmatic activity of the Tuva–Mongolian microcontinent in the Precambrian: data on the U–Pb age of zircons
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DOI: 10.1134/s1028334x17060113
Abstract: The U–Pb age of zircons from Ediacaran sandstones of the cover of the Tuva–Mongolian microcontinent and the rocks of its Early Precambrian basement (Gargan block) was analyzed by the LA–ICP–MS method. The major stages of… read more here.
Keywords: age zircons; mongolian microcontinent; stages tectonomagmatic; tuva mongolian ... See more keywords
First Data on the Isotopic Age of Zircons from Rocks of the Roseta Ultramafic Massif, Southern Margin of the São Francisco Craton (Brazil)
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DOI: 10.1134/s1028334x1812005x
Abstract: The results of isotope U–Pb dating of zircons from lherzolite and vein olivine orthopyroxenite composing the Roseta ultramafic massif are presented. The zircons differ in their morphological, optical, and geochemical properties and in their age.… read more here.
Keywords: age zircons; first data; roseta ultramafic; age ... See more keywords