58°20′07″N 12°34′05″E / 58.33524°N 12.567978°E
Flo Parish
Flo socken | |
|---|---|
Parish (socken) | |
 | |
| 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 edit
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 edit
- ^ "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.