| Computer Code: |
ECC |
Preferred Map Code: |
Ecf |
| Status Code: |
Full |
| Age range: |
Oxfordian Age (JO)
— Oxfordian Age (JO) |
| Lithological Description: |
Fine- to medium-grained, flaggy oolite. |
| Definition of Lower Boundary: |
Upward change from bioclastic oolites and micrites to even-grained oolite. |
| Definition of Upper Boundary: |
Top marked by a change from fine-to medium- grained flaggy oolite to sandy and ooidal mudstone (Sandsfoot Clay Member, where present), or non-sequence overlain by fine-grained sand or sandy clay, locally with phosphatic nodules at the base (Sandsfoot Grit Member, Sandsfoot Formation). |
| Thickness: |
0 - 5m |
| Geographical Limits: |
From the A30 on the northern edge of the Shaftesbury Sheet (313), northwards across the southern half of the Wincanton Sheet (297). |
| Parent Unit: |
Clavellata Formation (CLAV)
|
| Previous Name(s): |
none recorded or not applicable
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Reference Section |
Old quarry, Culvers Farm, Wyke, Gillingham, Dorset. |
| Partial Type Section |
Old quarry at Eccliffe, southwest of Gillingham, Dorset. |
| Reference(s): |
| Bristow, C R. 1990. Geology of the West Stour - Cucklington district. British Geological Survey Technical Report WA/90/48. |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
|
E313
E297
|
