Preboreal

Holocene Epoch

↑ Pleistocene
Holocene
Preboreal (10.3–9 ka) Boreal (9–7.5 ka) Atlantic (7.5–5 ka) Subboreal (5–2.5 ka) Subatlantic (2.5 ka–present)

The Preboreal is a stage of the Holocene epoch. It is preceded by the Tarantian and succeeded by the Boreal. It lasted from 10,300 to 9,000 BP in radiocarbon years or 10,000 BC to 8250 BC in Gregorian calendar years. It is the first stage of the Holocene epoch.

Quaternary
Pleistocene	Holocene
Early \| Middle \| Late	Preboreal \| Boreal \| Atlantic \| Subboreal \| Subatlantic

Geologic history of Earth

Cenozoic era
(present-66.0 Mya)

Quaternary (present-2.58 Mya)	Holocene (present-11.7 kya) Pleistocene (11.7 kya-2.58 Mya)

Neogene (2.58-23.03 Mya)	Pliocene (2.58-5.333 Mya) Miocene (5.333-23.03 Mya)

Paleogene (23.03-66.0 Mya)	Oligocene (23.03-33.9 Mya) Eocene (33.9-56.0 Mya) Paleocene (56.0-66.0 Mya)

Mesozoic era
(66.0-252.17 Mya)

Cretaceous (66.0-145.0 Mya)	Late (66.0-100.5 Mya) Early (100.5-145.0 Mya)

Jurassic (145.0-201.3 Mya)	Late (145.0-163.5 Mya) Middle (163.5-174.1 Mya) Early (174.1-201.3 Mya)

Triassic (201.3-252.17 Mya)	Late (201.3-237 Mya) Middle (237-247.2 Mya) Early (247.2-252.17 Mya)

Paleozoic era
(252.17-541.0 Mya)

Permian (252.17-298.9 Mya)	Lopingian (252.17-259.8 Mya) Guadalupian (259.8-272.3 Mya) Cisuralian (272.3-298.9 Mya)

Carboniferous (298.9-358.9 Mya)	Pennsylvanian (298.9-323.2 Mya) Mississippian (323.2-358.9 Mya)

Devonian (358.9-419.2 Mya)	Late (358.9-382.7 Mya) Middle (382.7-393.3 Mya) Early (393.3-419.2 Mya)

Silurian (419.2-443.8 Mya)	Pridoli (419.2-423.0 Mya) Ludlow (423.0-427.4 Mya) Wenlock (427.4-433.4 Mya) Llandovery (433.4-443.8 Mya)

Ordovician (443.8-485.4 Mya)	Late (443.8-458.4 Mya) Middle (458.4-470.0 Mya) Early (470.0-485.4 Mya)

Cambrian (485.4-541.0 Mya)	Furongian (485.4-497 Mya) Series 3 (497-509 Mya) Series 2 (509-521 Mya) Terreneuvian (521-541.0 Mya)

Precambrian supereon
(541.0 Mya-4.567 Gya)

Proterozoic (541.0 Mya-2.5 Gya)	Neoproterozoic (541.0 Mya-1 Gya) Mesoproterozoic (1-1.6 Gya) Paleoproterozoic (1.6-2.5 Gya)

Archean (2.5-4 Gya)	Neoarchean (2.5-2.8 Gya) Mesoarchean (2.8-3.2 Gya) Paleoarchean (3.2-3.6 Gya) Eoarchean (3.6-4 Gya)

Hadean (4-4.567 Gya)	Neohadean (4-4.1 Gya) Mesohadean (4.1-4.3 Gya) Paleohadean (4.3-4.567 Gya)

kya = thousands years ago. Mya = millions years ago. Gya = billions years ago.
Source: (2015/01). International Commission on Stratigraphy. Retrieved 13 July 2015. Divisions of Geologic Time—Major Chronostratigraphic and Geochronologic Units USGS Retrieved 10 March 2013.

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