Sources and geodynamics of the Late Cenozoic volcanism of Central Mongolia: Evidence from isotope-geochemical studies |
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| Authors: | V M Savatenkov V V Yarmolyuk E A Kudryashova A M Kozlovskii |
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| Institution: | (1) Department of Earth and Environmental Sciences, The Open University, Milton Keynes, MK7 6AA, UK;(2) School of Geology, Mongolian University of Science, and Technology (MUST), P.O. Box 49/418, Ulaanbaatar, Mongolia |
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| Abstract: | In the Late Cenozoic, the volcanism of the South Khangai Volcanic Region (SKhVR) spanned the Khangai Range and its framing.
Geochronological, petrochemical, geochemical, and isotope studies were performed for volcanic rocks of this region, which
are represented by high-K basic and intermediate rocks of OIB affinity. Initial Sr, Nd, and Pb isotope ratios in the volcanic
rocks of the SKhVR are close to those of the volcanic rocks of Pitcairn Island and form trends between PREMA, EMI, and EMII
sources. |
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