The BGS Lexicon of Named Rock Units — Result Details

Oakeley Mynd Formation

Computer Code: OAK Preferred Map Code: OAK
Status Code: Full
Age range: Gorstian Age (SG) — Gorstian Age (SG)
Lithological Description: Mudstones, bedding-fissile with much graptolitic hemipelagite and thin siltstone laminae.
Definition of Lower Boundary: Passage from underlying Aston Mudstones - trench: (SO 3494 8817) to (SO 3481 8810).
Definition of Upper Boundary: Overlain by Bailey Hill Formation.
Thickness: 0-180m
Geographical Limits: Eastern environs of Bishops Castle.
Parent Unit: Not Applicable (-)
Previous Name(s): Lower Ludlow Graptolitic Shales (-4060)
Alternative Name(s): none recorded or not applicable
Type Section  Old quarry, 250m east of Oakley House, Bishops Castle, Shropshire. 
Reference Section  Track section c.100m south of Oakley House. 
none recorded or not applicable
1:50K maps on which the lithostratigraphical unit is found, and map code used: