Xitun Formation

Xitun Formation
Stratigraphic range:
TypeGeological formation
Unit ofCuifengshan Group
UnderliesGuijiatun Formation
OverliesXiaxishancun Formation
Lithology
PrimaryCalciferous mudstones
Location
Coordinates25°29.853'N and 103°46.309'E
RegionYunnan Province
CountryChina
ExtentQujing
Type section
Named forXitun village

The Xitun Formation is a palaeontological formation which is named after Xitun village in Qujing, a location in South China. This formation includes many remains of fossilized fish and plants of the Early Devonian period (Late Lochkovian). It was originally referred to as the Xitun Member of the Cuifengshan Formation (now the Cuifengshan Group).