Flo Parish

Flo Parish
Flo Parish; Flo socken
	Parish (socken)
	Flo Church
Area
• Total	64.08 km2 (24.74 sq mi)
Population (2000)
• Total	434

Flo (Swedish: Flo socken) is a historic parish (socken) in the Swedish province of Västergötland. Since 1971 it has been a part of Grästorp Municipality.

Geology

Flo parish is the namesake for the Floian stage, which is the second stage of the Lower Ordovician.[1] The base of the Floian is defined at the Diabasbrottet quarry type section (GSSP) 5 km to the northwest of Flo. The base is defined in the quarry as the lowest stratigraphic occurrence of the graptolite species Tetragraptus approximatus.[2]

References

"GSSP Table - Paleozoic Era". Geologic TimeScale Foundation. Retrieved 24 November 2012.
Bergström, Stig M.; Anita Löfgren; Jörg Maletz (2004). "The GSSP of the Second (Upper) Stage of the Lower Ordovician Series: Diabasbrottet at Hunneberg, Province of Västergötland, Southwestern Sweden" (PDF). Episodes. 27 (4): 265–272. Retrieved 20 September 2012.

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[GSSP_Table_-Paleozoic_Era-1] "GSSP Table - Paleozoic Era". Geologic TimeScale Foundation. Retrieved 24 November 2012.

[Bergström_2004-2] Bergström, Stig M.; Anita Löfgren; Jörg Maletz (2004). "The GSSP of the Second (Upper) Stage of the Lower Ordovician Series: Diabasbrottet at Hunneberg, Province of Västergötland, Southwestern Sweden" (PDF). Episodes. 27 (4): 265–272. Retrieved 20 September 2012.