Iljig Formation

Iljig Formation
Stratigraphic range:
TypeGeological formation
Unit ofHayang Group
UnderliesHupyeongdong Formation
OverliesJinju Formation
Location
RegionNorth Gyeongsang Province
CountrySouth Korea

The Iljig Formation (Korean: 일직층; Hanja: 一直層; RR: Iljig-cheung) is a Lower Cretaceous geologic formation in South Korea. It partially correlates with the lower part of the Chilgog Formation.