Depositional systems of the Lower Ordovician Mungok Formation in Yeongwol, Korea: implications for the carbonate ramp facies development

2014 ◽  
Vol 18 (4) ◽  
pp. 397-417 ◽  
Author(s):  
Young-Hwan G. Kim ◽  
Chul Woo Rhee ◽  
Jusun Woo ◽  
Tae-Yoon S. Park
1992 ◽  
Vol 79 (1-4) ◽  
pp. 3-57 ◽  
Author(s):  
T.P. Burchette ◽  
V.P. Wright

2000 ◽  
Vol 74 (6) ◽  
pp. 1031-1042 ◽  
Author(s):  
Dong Hee Kim ◽  
Duck K. Choi

The trilobite genus Jujuyaspis Kobayashi, 1936, an index fossil of earliest Ordovician age, is recorded from the Yosimuraspis Zone of the Mungok Formation (Lower Ordovician) for the first time in Korea. The Yosimuraspis Zone comprises Yosimuraspis vulgaris Kobayashi, 1960; Jujuyaspis sinensis Zhou in Chen et al., 1980; Elkanaspis jilinensis Qian in Chen et al 1985; and pilekid genus and species indeterminate. Closely comparable faunas to the Yosimuraspis Zone are well represented in North China. The occurrence of Jujuyaspis allows the correlation of the Yosimuraspis Zone with the earliest Ordovician faunas of North America, South America, and Scandinavia, and suggests that the Cambrian-Ordovician boundary in Korea be placed at the base of the Yosimuraspis Zone.


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