Temuco Formation
Stratigraphic range: Eocene– Miocene
Type	Geological formation
Overlies	Bahía Mansa Metamorphic Complex
Thickness	1,400 m (4,600 ft)
Lithology
Primary	Sandstone, siltstone, claystone, andesitic tuff
Other	Coal, breccia, conglomerate
Location
Region	Araucanía Region
Country	Chile
Type section
Named for	Temuco

Temuco Formation a sedimentary formation near the city of Temuco in southern Chile. The formation crops out in the western part of Labranza Basin at the footfills of the Chilean Coast Range. It overlies the Bahía Mansa Metamorphic Complex and underlies sediments of Holocene age. The formation is thought to represent ancient river systems of low and intermediated energy near an area of volcanism around cerro Ñielol. ^[1]

References

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