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http://dx.doi.org/10.7854/JPSK.2013.22.4.299

SHRIMP U-Pb Age Determination for the Gneissic Country Rocks Around the Hongcheon Iron-REE Depsosit  

Kim, Myoung-Jung (Department of Earth Environmental Sciences, Pukyong National University)
Park, Kye-Hun (Department of Earth Environmental Sciences, Pukyong National University)
Koh, Sang Mo (Mineral Resources Research Division, Korea Institute of Geoscience and Mineral Resources)
Yi, Keewook (Division of Earth and Environmental Science, Korea Basic Science Institute)
Publication Information
The Journal of the Petrological Society of Korea / v.22, no.4, 2013 , pp. 299-305 More about this Journal
Abstract
It is well known that the Hongcheon iron-rare earth deposit is composed of carbonatite-phoscorite complex. We conducted zircon U-Pb age determination for the gneissic country rocks of this deposit. As the result we obtained ca. 1830 Ma, which is somewhat younger than igneous and metamorphic ages of ca. 1870 Ma generally reported from the Gyeonggi massif, suggesting further investigations for the timing and evolution of the Paleoproterozoic activities of the Gyeonggi massif.
Keywords
Hongcheon; iron-REE deposit; zircon; U-Pb; SHRIMP; Gyeonggi massif;
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