| Computer Code: |
SGMB |
Preferred Map Code: |
notEntered |
| Status Code: |
Full |
| Age range: |
Langsettian Substage (CA)
— Langsettian Substage (CA) |
| Lithological Description: |
Blackband ironstone, with Lingula sp., foraminifera, and ostracods. |
| Definition of Lower Boundary: |
Conformable with underlying seatearth. |
| Definition of Upper Boundary: |
Conformable with overlying dark grey, bedded mudstone. |
| Thickness: |
10 cm. |
| Geographical Limits: |
none recorded or not applicable
|
| Parent Unit: |
Scottish Lower Coal Measures Formation (LCMS)
|
| Previous Name(s): |
none recorded or not applicable
|
| Alternative Name(s): |
none recorded or not applicable
|
| Stratotypes: |
| Type Section |
Auchengean Farm [NS 8589 7727]. |
| Reference(s): |
| Browne, M A E, and Gillen, C (editors). 2015. A geological excursion guide to the Stirling and Perth area. Edinburgh: Edinburgh Geological Society in association with NMS Enterprises Limited. |
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: |
| none recorded or not applicable |