List of Chinese geological formations

Quaternary

Holocene

Pleistocene

• Abag Formation
• A’ershan Formation

Neogene

Pliocene

Miocene

Paleogene

Oligocene

Eocene

Paleocene

• A’ertashi Formation

Cretaceous

• A’ergong Formation

Late (Upper)

Early (Lower)

• Dabeigou Formation
• Jianxing Formation
• Jiufotang Formation
• Tuchengzi Formation
• Xiagou Formation
• Yijinholuo Formation
• Yixian Formation

Jurassic

Late (Upper)

• Dashanpu Formation
• Suining Formation
• Tiaojishan Formation

Middle

• Ah Formation
• Haifanggou Formation

Early (Lower)

Lufeng formation

Triassic

Late (Upper)

• Adula Formation

Middle

Early (Lower)

• Aba Formation
• Zuosuo Formation

Paleozoic

Permian

Late

• Zuozuo Formation

Middle

Early

• A’erbasayi Formation
• A’ertushileike Formation
• Beipiao Formation

Carboniferous

Late

• Jianshanying Formation

Middle

Early

Devonian

Late (Upper)

Middle

• A’ermantie Formation

Early (Lower)

• A’ertaxi Formation
• Xikeng Formation

Silurian

Late

• Xikeng Formation
• Zusailing Formation

Middle

Early

Ordovician

Late (Upper)

Middle

Early (Lower)

Cambrian

Late (Upper)

Middle

• Abuqiehai Formation
• Zushimiao Formation

Early (Lower)

Proterozoic

Neoproterozoic

• Abor Formation
• Doushantuo Formation

Mesoproterozoic

Paleoproterozoic

• A’ertenghala Formation
• Xiheli Formation

Archean

Neoarchean

• Xihui Formation

Mesoarchean

Paleoarchean

Eoarchean