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http://dx.doi.org/10.9719/EEG.2021.54.3.365

New Occurrence of Haengmae Formation in Taebaeksan Basin  

Song, Yungoo (Department of Earth System Sciences, Yonsei University)
Park, Chaewon (Department of Earth System Sciences, Yonsei University)
Kim, Namsoo (Department of Earth System Sciences, Yonsei University)
Choi, Sung-Ja (Korea Institute of Geoscience and Mineral Resources (KIGAM))
Chwae, Ueechan (S/C Contemporary)
Kwon, Sanghoon (Department of Earth System Sciences, Yonsei University)
Jang, Yirang (Faculty of Earth System and Environmental Sciences, Chonnam National University)
Publication Information
Economic and Environmental Geology / v.54, no.3, 2021 , pp. 365-372 More about this Journal
Abstract
Pebble-bearing clastic carbonate rock which has been found in and around the Jeongseon and Okgye through the field survey was studied in petrological and mineralogical characteristics. We define the clastic carbonate rocks as 'Dolomite-pebble bearing fine sand-sized dolostone, or grainstone', which are characterized by the existence of dolomite single grains and Mg-phengite, and by the subsequent formation of secondary calcite cements. These attributes correspond well with those of the typical Haengmae Formation from Haengmae-dong, Mitan-myeon, Jeongseon-gun, thus the carbonate rocks in the Jeongseon and Okgye areas must belong to the Haengmae Formation. The result suggests that the Haengmae Formation is an independent unit among the Paleozoic lithostratigraphic units in Taebaek basin and lies in the upper part of Jeongseon and Sukbyungsan Formations under the Hongjeom Formation of Pyeongan Supergroup.
Keywords
Haengmae Formation; Hoedongri Formation; Jeongseon-Okgye; Dolomite; phengite;
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